/* prevent execution of jQuery if included more than once */
if(typeof window.jQuery == "undefined") {
   /*
    * jQuery 1.1.1 - New Wave Javascript
    *
    * Copyright (c) 2007 John Resig (jquery.com)
    * Dual licensed under the MIT (MIT-LICENSE.txt)
    * and GPL (GPL-LICENSE.txt) licenses.
    *
    * $Date: 2007-01-22 00:27:54 -0500 (Mon, 22 Jan 2007) $
    * $Rev: 1153 $
    */

   // Global undefined variable
   window.undefined = window.undefined;
   var jQuery = function(a,c) {
      // If the context is global, return a new object
      if ( window == this )
         return new jQuery(a,c);

      // Make sure that a selection was provided
      a = a || document;

      // HANDLE: $(function)
      // Shortcut for document ready
      if ( jQuery.isFunction(a) )
         return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a );

      // Handle HTML strings
      if ( typeof a  == "string" ) {
         // HANDLE: $(html) -> $(array)
         var m = /^[^<]*(<(.|\n)+>)[^>]*$/.exec(a);
         if ( m )
            a = jQuery.clean( [ m[1] ] );

         // HANDLE: $(expr)
         else
            return new jQuery( c ).find( a );
      }

      return this.setArray(
            // HANDLE: $(array)
            a.constructor == Array && a ||

            // HANDLE: $(arraylike)
            // Watch for when an array-like object is passed as the selector
            (a.jquery || a.length && a != window && !a.nodeType && a[0] != undefined && a[0].nodeType) && jQuery.makeArray( a ) ||

            // HANDLE: $(*)
            [ a ] );
   };

   // Map over the $ in case of overwrite
   if ( typeof $ != "undefined" )
      jQuery._$ = $;

   // Map the jQuery namespace to the '$' one
   var $ = jQuery;

   jQuery.fn = jQuery.prototype = {
jquery: "1.1.1",

        size: function() {
           return this.length;
        },

length: 0,

        get: function( num ) {
           return num == undefined ?

              // Return a 'clean' array
              jQuery.makeArray( this ) :

                 // Return just the object
                 this[num];
        },
pushStack: function( a ) {
              var ret = jQuery(this);
              ret.prevObject = this;
              return ret.setArray( a );
           },
setArray: function( a ) {
             this.length = 0;
             [].push.apply( this, a );
             return this;
          },
each: function( fn, args ) {
         return jQuery.each( this, fn, args );
      },
index: function( obj ) {
          var pos = -1;
          this.each(function(i){
                if ( this == obj ) pos = i;
                });
          return pos;
       },

attr: function( key, value, type ) {
         var obj = key;

         // Look for the case where we're accessing a style value
         if ( key.constructor == String )
            if ( value == undefined )
               return this.length && jQuery[ type || "attr" ]( this[0], key ) || undefined;
            else {
               obj = {};
               obj[ key ] = value;
            }

         // Check to see if we're setting style values
         return this.each(function(index){
               // Set all the styles
               for ( var prop in obj )
               jQuery.attr(
                  type ? this.style : this,
                  prop, jQuery.prop(this, obj[prop], type, index, prop)
                  );
               });
      },

css: function( key, value ) {
        return this.attr( key, value, "curCSS" );
     },

text: function(e) {
         if ( typeof e == "string" )
            return this.empty().append( document.createTextNode( e ) );

         var t = "";
         jQuery.each( e || this, function(){
               jQuery.each( this.childNodes, function(){
                  if ( this.nodeType != 8 )
                  t += this.nodeType != 1 ?
                  this.nodeValue : jQuery.fn.text([ this ]);
                  });
               });
         return t;
      },

wrap: function() {
         // The elements to wrap the target around
         var a = jQuery.clean(arguments);

         // Wrap each of the matched elements individually
         return this.each(function(){
               // Clone the structure that we're using to wrap
               var b = a[0].cloneNode(true);

               // Insert it before the element to be wrapped
               this.parentNode.insertBefore( b, this );

               // Find the deepest point in the wrap structure
               while ( b.firstChild )
               b = b.firstChild;

               // Move the matched element to within the wrap structure
               b.appendChild( this );
               });
      },
append: function() {
           return this.domManip(arguments, true, 1, function(a){
                 this.appendChild( a );
                 });
        },
prepend: function() {
            return this.domManip(arguments, true, -1, function(a){
                  this.insertBefore( a, this.firstChild );
                  });
         },
before: function() {
           return this.domManip(arguments, false, 1, function(a){
                 this.parentNode.insertBefore( a, this );
                 });
        },
after: function() {
          return this.domManip(arguments, false, -1, function(a){
                this.parentNode.insertBefore( a, this.nextSibling );
                });
       },
end: function() {
        return this.prevObject || jQuery([]);
     },
find: function(t) {
         return this.pushStack( jQuery.map( this, function(a){
                  return jQuery.find(t,a);
                  }) );
      },
clone: function(deep) {
          return this.pushStack( jQuery.map( this, function(a){
                   return a.cloneNode( deep != undefined ? deep : true );
                   }) );
       },

filter: function(t) {
           return this.pushStack(
                 jQuery.isFunction( t ) &&
                 jQuery.grep(this, function(el, index){
                    return t.apply(el, [index])
                    }) ||

                 jQuery.multiFilter(t,this) );
        },

not: function(t) {
        return this.pushStack(
              t.constructor == String &&
              jQuery.multiFilter(t,this,true) ||

              jQuery.grep(this,function(a){
                 if ( t.constructor == Array || t.jquery )
                 return jQuery.inArray( t, a ) < 0;
                 else
                 return a != t;
                 }) );
     },

add: function(t) {
        return this.pushStack( jQuery.merge(
                 this.get(),
                 t.constructor == String ?
                 jQuery(t).get() :
                 t.length != undefined && !t.nodeName ?
                 t : [t] )
              );
     },
is: function(expr) {
       return expr ? jQuery.filter(expr,this).r.length > 0 : false;
    },

val: function( val ) {
        return val == undefined ?
           ( this.length ? this[0].value : null ) :
              this.attr( "value", val );
     },

html: function( val ) {
         return val == undefined ?
            ( this.length ? this[0].innerHTML : null ) :
               this.empty().append( val );
      },
domManip: function(args, table, dir, fn){
             var clone = this.length > 1; 
             var a = jQuery.clean(args);
             if ( dir < 0 )
                a.reverse();

             return this.each(function(){
                   var obj = this;

                   if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
                   obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody"));

                   jQuery.each( a, function(){
                      fn.apply( obj, [ clone ? this.cloneNode(true) : this ] );
                      });

                   });
          }
   };

   jQuery.extend = jQuery.fn.extend = function() {
      // copy reference to target object
      var target = arguments[0],
          a = 1;

      // extend jQuery itself if only one argument is passed
      if ( arguments.length == 1 ) {
         target = this;
         a = 0;
      }
      var prop;
      while (prop = arguments[a++])
         // Extend the base object
         for ( var i in prop ) target[i] = prop[i];

      // Return the modified object
      return target;
   };

   jQuery.extend({
noConflict: function() {
if ( jQuery._$ )
$ = jQuery._$;
return jQuery;
},

// This may seem like some crazy code, but trust me when I say that this
// is the only cross-browser way to do this. --John
isFunction: function( fn ) {
return !!fn && typeof fn != "string" &&
typeof fn[0] == "undefined" && /function/i.test( fn + "" );
},

nodeName: function( elem, name ) {
return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
},
// args is for internal usage only
each: function( obj, fn, args ) {
if ( obj.length == undefined )
for ( var i in obj )
fn.apply( obj[i], args || [i, obj[i]] );
else
   for ( var i = 0, ol = obj.length; i < ol; i++ )
      if ( fn.apply( obj[i], args || [i, obj[i]] ) === false ) break;
return obj;
      },

prop: function(elem, value, type, index, prop){
         // Handle executable functions
         if ( jQuery.isFunction( value ) )
            return value.call( elem, [index] );

         // exclude the following css properties to add px
         var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;

         // Handle passing in a number to a CSS property
         if ( value.constructor == Number && type == "curCSS" && !exclude.test(prop) )
            return value + "px";

         return value;
      },

className: {
              // internal only, use addClass("class")
add: function( elem, c ){
        jQuery.each( c.split(/\s+/), function(i, cur){
              if ( !jQuery.className.has( elem.className, cur ) )
              elem.className += ( elem.className ? " " : "" ) + cur;
              });
     },

     // internal only, use removeClass("class")
remove: function( elem, c ){
           elem.className = c ?
              jQuery.grep( elem.className.split(/\s+/), function(cur){
                    return !jQuery.className.has( c, cur );	
                    }).join(" ") : "";
        },

        // internal only, use is(".class")
has: function( t, c ) {
        t = t.className || t;
        return t && new RegExp("(^|\\s)" + c + "(\\s|$)").test( t );
     }
           },
swap: function(e,o,f) {
         for ( var i in o ) {
            e.style["old"+i] = e.style[i];
            e.style[i] = o[i];
         }
         f.apply( e, [] );
         for ( var i in o )
            e.style[i] = e.style["old"+i];
      },

css: function(e,p) {
        if ( p == "height" || p == "width" ) {
           var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];

           jQuery.each( d, function(){
                 old["padding" + this] = 0;
                 old["border" + this + "Width"] = 0;
                 });

           jQuery.swap( e, old, function() {
                 if (jQuery.css(e,"display") != "none") {
                 oHeight = e.offsetHeight;
                 oWidth = e.offsetWidth;
                 } else {
                 e = jQuery(e.cloneNode(true))
                 .find(":radio").removeAttr("checked").end()
                 .css({
visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0"
}).appendTo(e.parentNode)[0];

                 var parPos = jQuery.css(e.parentNode,"position");
                 if ( parPos == "" || parPos == "static" )
                 e.parentNode.style.position = "relative";

                 oHeight = e.clientHeight;
                 oWidth = e.clientWidth;

                 if ( parPos == "" || parPos == "static" )
                 e.parentNode.style.position = "static";

                 e.parentNode.removeChild(e);
           }
});

return p == "height" ? oHeight : oWidth;
}

return jQuery.curCSS( e, p );
},

curCSS: function(elem, prop, force) {
           var ret;

           if (prop == "opacity" && jQuery.browser.msie)
              return jQuery.attr(elem.style, "opacity");

           if (prop == "float" || prop == "cssFloat")
              prop = jQuery.browser.msie ? "styleFloat" : "cssFloat";

           if (!force && elem.style[prop])
              ret = elem.style[prop];

           else if (document.defaultView && document.defaultView.getComputedStyle) {

              if (prop == "cssFloat" || prop == "styleFloat")
                 prop = "float";

              prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase();
              var cur = document.defaultView.getComputedStyle(elem, null);

              if ( cur )
                 ret = cur.getPropertyValue(prop);
              else if ( prop == "display" )
                 ret = "none";
              else
                 jQuery.swap(elem, { display: "block" }, function() {
                       var c = document.defaultView.getComputedStyle(this, "");
                       ret = c && c.getPropertyValue(prop) || "";
                       });

           } else if (elem.currentStyle) {

              var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase();});
              ret = elem.currentStyle[prop] || elem.currentStyle[newProp];

           }

           return ret;
        },

clean: function(a) {
          var r = [];

          jQuery.each( a, function(i,arg){
                if ( !arg ) return;

                if ( arg.constructor == Number )
                arg = arg.toString();

                // Convert html string into DOM nodes
                if ( typeof arg == "string" ) {
                // Trim whitespace, otherwise indexOf won't work as expected
                var s = jQuery.trim(arg), div = document.createElement("div"), tb = [];

                var wrap =
                // option or optgroup
                !s.indexOf("<opt") &&
                [1, "<select>", "</select>"] ||

                (!s.indexOf("<thead") || !s.indexOf("<tbody") || !s.indexOf("<tfoot")) &&
                [1, "<table>", "</table>"] ||

                !s.indexOf("<tr") &&
                [2, "<table><tbody>", "</tbody></table>"] ||

                // <thead> matched above
                (!s.indexOf("<td") || !s.indexOf("<th")) &&
                [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||

                [0,"",""];

          // Go to html and back, then peel off extra wrappers
          div.innerHTML = wrap[1] + s + wrap[2];

          // Move to the right depth
          while ( wrap[0]-- )
             div = div.firstChild;

          // Remove IE's autoinserted <tbody> from table fragments
          if ( jQuery.browser.msie ) {

             // String was a <table>, *may* have spurious <tbody>
             if ( !s.indexOf("<table") && s.indexOf("<tbody") < 0 ) 
                tb = div.firstChild && div.firstChild.childNodes;

             // String was a bare <thead> or <tfoot>
             else if ( wrap[1] == "<table>" && s.indexOf("<tbody") < 0 )
                tb = div.childNodes;

             for ( var n = tb.length-1; n >= 0 ; --n )
                if ( jQuery.nodeName(tb[n], "tbody") && !tb[n].childNodes.length )
                   tb[n].parentNode.removeChild(tb[n]);

          }

          arg = div.childNodes;
                }

                if ( arg.length === 0 )
                   return;

                if ( arg[0] == undefined )
                   r.push( arg );
                else
                   r = jQuery.merge( r, arg );

          });

          return r;
       },

attr: function(elem, name, value){
         var fix = {
            "for": "htmlFor",
            "class": "className",
            "float": jQuery.browser.msie ? "styleFloat" : "cssFloat",
            cssFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
            innerHTML: "innerHTML",
            className: "className",
            value: "value",
            disabled: "disabled",
            checked: "checked",
            readonly: "readOnly",
            selected: "selected"
         };

         // IE actually uses filters for opacity ... elem is actually elem.style
         if ( name == "opacity" && jQuery.browser.msie && value != undefined ) {
            // IE has trouble with opacity if it does not have layout
            // Force it by setting the zoom level
            elem.zoom = 1; 

            // Set the alpha filter to set the opacity
            return elem.filter = elem.filter.replace(/alpha\([^\)]*\)/gi,"") +
               ( value == 1 ? "" : "alpha(opacity=" + value * 100 + ")" );

         } else if ( name == "opacity" && jQuery.browser.msie )
            return elem.filter ? 
               parseFloat( elem.filter.match(/alpha\(opacity=(.*)\)/)[1] ) / 100 : 1;

         // Mozilla doesn't play well with opacity 1
         if ( name == "opacity" && jQuery.browser.mozilla && value == 1 )
            value = 0.9999;

         // Certain attributes only work when accessed via the old DOM 0 way
         if ( fix[name] ) {
            if ( value != undefined ) elem[fix[name]] = value;
            return elem[fix[name]];

         } else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") )
            return elem.getAttributeNode(name).nodeValue;

         // IE elem.getAttribute passes even for style
         else if ( elem.tagName ) {
            if ( value != undefined ) elem.setAttribute( name, value );
            return elem.getAttribute( name );

         } else {
            name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();});
            if ( value != undefined ) elem[name] = value;
            return elem[name];
         }
      },
trim: function(t){
         return t.replace(/^\s+|\s+$/g, "");
      },

makeArray: function( a ) {
              var r = [];

              if ( a.constructor != Array )
                 for ( var i = 0, al = a.length; i < al; i++ )
                    r.push( a[i] );
              else
                 r = a.slice( 0 );

              return r;
           },

inArray: function( b, a ) {
            for ( var i = 0, al = a.length; i < al; i++ )
               if ( a[i] == b )
                  return i;
            return -1;
         },
merge: function(first, second) {
          var r = [].slice.call( first, 0 );

          // Now check for duplicates between the two arrays
          // and only add the unique items
          for ( var i = 0, sl = second.length; i < sl; i++ )
             // Check for duplicates
             if ( jQuery.inArray( second[i], r ) == -1 )
                // The item is unique, add it
                first.push( second[i] );

          return first;
       },
grep: function(elems, fn, inv) {
         // If a string is passed in for the function, make a function
         // for it (a handy shortcut)
         if ( typeof fn == "string" )
            fn = new Function("a","i","return " + fn);

         var result = [];

         // Go through the array, only saving the items
         // that pass the validator function
         for ( var i = 0, el = elems.length; i < el; i++ )
            if ( !inv && fn(elems[i],i) || inv && !fn(elems[i],i) )
               result.push( elems[i] );

         return result;
      },
map: function(elems, fn) {
        // If a string is passed in for the function, make a function
        // for it (a handy shortcut)
        if ( typeof fn == "string" )
           fn = new Function("a","return " + fn);

        var result = [], r = [];

        // Go through the array, translating each of the items to their
        // new value (or values).
        for ( var i = 0, el = elems.length; i < el; i++ ) {
           var val = fn(elems[i],i);

           if ( val !== null && val != undefined ) {
              if ( val.constructor != Array ) val = [val];
              result = result.concat( val );
           }
        }

        var r = result.length ? [ result[0] ] : [];

check: for ( var i = 1, rl = result.length; i < rl; i++ ) {
          for ( var j = 0; j < i; j++ )
             if ( result[i] == r[j] )
                continue check;

          r.push( result[i] );
       }

       return r;
     }
});

/*
 * Whether the W3C compliant box model is being used.
 *
 * @property
 * @name $.boxModel
 * @type Boolean
 * @cat JavaScript
 */
new function() {
   var b = navigator.userAgent.toLowerCase();

   // Figure out what browser is being used
   jQuery.browser = {
safari: /webkit/.test(b),
         opera: /opera/.test(b),
         msie: /msie/.test(b) && !/opera/.test(b),
         mozilla: /mozilla/.test(b) && !/(compatible|webkit)/.test(b)
   };

   // Check to see if the W3C box model is being used
   jQuery.boxModel = !jQuery.browser.msie || document.compatMode == "CSS1Compat";
};

jQuery.each({
parent: "a.parentNode",
parents: "jQuery.parents(a)",
next: "jQuery.nth(a,2,'nextSibling')",
prev: "jQuery.nth(a,2,'previousSibling')",
siblings: "jQuery.sibling(a.parentNode.firstChild,a)",
children: "jQuery.sibling(a.firstChild)"
}, function(i,n){
jQuery.fn[ i ] = function(a) {
var ret = jQuery.map(this,n);
if ( a && typeof a == "string" )
ret = jQuery.multiFilter(a,ret);
return this.pushStack( ret );
};
});

jQuery.each({
appendTo: "append",
prependTo: "prepend",
insertBefore: "before",
insertAfter: "after"
}, function(i,n){
jQuery.fn[ i ] = function(){
var a = arguments;
return this.each(function(){
   for ( var j = 0, al = a.length; j < al; j++ )
   jQuery(a[j])[n]( this );
   });
};
});

jQuery.each( {
removeAttr: function( key ) {
jQuery.attr( this, key, "" );
this.removeAttribute( key );
},
addClass: function(c){
jQuery.className.add(this,c);
},
removeClass: function(c){
jQuery.className.remove(this,c);
},
toggleClass: function( c ){
jQuery.className[ jQuery.className.has(this,c) ? "remove" : "add" ](this, c);
},
remove: function(a){
if ( !a || jQuery.filter( a, [this] ).r.length )
this.parentNode.removeChild( this );
},
empty: function() {
while ( this.firstChild )
this.removeChild( this.firstChild );
}
}, function(i,n){
   jQuery.fn[ i ] = function() {
      return this.each( n, arguments );
   };
});

jQuery.each( [ "eq", "lt", "gt", "contains" ], function(i,n){
      jQuery.fn[ n ] = function(num,fn) {
      return this.filter( ":" + n + "(" + num + ")", fn );
      };
      });

jQuery.each( [ "height", "width" ], function(i,n){
      jQuery.fn[ n ] = function(h) {
      return h == undefined ?
      ( this.length ? jQuery.css( this[0], n ) : null ) :
      this.css( n, h.constructor == String ? h : h + "px" );
      };
      });
jQuery.extend({
expr: {
"": "m[2]=='*'||jQuery.nodeName(a,m[2])",
"#": "a.getAttribute('id')==m[2]",
":": {
// Position Checks
lt: "i<m[3]-0",
gt: "i>m[3]-0",
nth: "m[3]-0==i",
eq: "m[3]-0==i",
first: "i==0",
last: "i==r.length-1",
even: "i%2==0",
odd: "i%2",

// Child Checks
"nth-child": "jQuery.nth(a.parentNode.firstChild,m[3],'nextSibling',a)==a",
"first-child": "jQuery.nth(a.parentNode.firstChild,1,'nextSibling')==a",
"last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
"only-child": "jQuery.sibling(a.parentNode.firstChild).length==1",

// Parent Checks
parent: "a.firstChild",
empty: "!a.firstChild",

// Text Check
contains: "jQuery.fn.text.apply([a]).indexOf(m[3])>=0",

// Visibility
visible: 'a.type!="hidden"&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden"',
hidden: 'a.type=="hidden"||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden"',

// Form attributes
enabled: "!a.disabled",
disabled: "a.disabled",
checked: "a.checked",
selected: "a.selected||jQuery.attr(a,'selected')",

// Form elements
text: "a.type=='text'",
radio: "a.type=='radio'",
checkbox: "a.type=='checkbox'",
file: "a.type=='file'",
password: "a.type=='password'",
submit: "a.type=='submit'",
image: "a.type=='image'",
reset: "a.type=='reset'",
button: 'a.type=="button"||jQuery.nodeName(a,"button")',
input: "/input|select|textarea|button/i.test(a.nodeName)"
},
   ".": "jQuery.className.has(a,m[2])",
   "@": {
      "=": "z==m[4]",
      "!=": "z!=m[4]",
      "^=": "z&&!z.indexOf(m[4])",
      "$=": "z&&z.substr(z.length - m[4].length,m[4].length)==m[4]",
      "*=": "z&&z.indexOf(m[4])>=0",
      "": "z",
      _resort: function(m){
         return ["", m[1], m[3], m[2], m[5]];
      },
_prefix: "z=a[m[3]]||jQuery.attr(a,m[3]);"
   },
   "[": "jQuery.find(m[2],a).length"
   },

   // The regular expressions that power the parsing engine
parse: [
// Match: [@value='test'], [@foo]
/^\[ *(@)([a-z0-9_-]*) *([!*$^=]*) *('?"?)(.*?)\4 *\]/i,

   // Match: [div], [div p]
   /^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,

   // Match: :contains('foo')
   /^(:)([a-z0-9_-]*)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/i,

   // Match: :even, :last-chlid
   /^([:.#]*)([a-z0-9_*-]*)/i
   ],

   token: [
   /^(\/?\.\.)/, "a.parentNode",
   /^(>|\/)/, "jQuery.sibling(a.firstChild)",
   /^(\+)/, "jQuery.nth(a,2,'nextSibling')",
   /^(~)/, function(a){
      var s = jQuery.sibling(a.parentNode.firstChild);
      return s.slice(0, jQuery.inArray(a,s));
   }
],

   multiFilter: function( expr, elems, not ) {
      var old, cur = [];

      while ( expr && expr != old ) {
         old = expr;
         var f = jQuery.filter( expr, elems, not );
         expr = f.t.replace(/^\s*,\s*/, "" );
         cur = not ? elems = f.r : jQuery.merge( cur, f.r );
      }

      return cur;
   },
find: function( t, context ) {
         // Quickly handle non-string expressions
         if ( typeof t != "string" )
            return [ t ];

         // Make sure that the context is a DOM Element
         if ( context && !context.nodeType )
            context = null;

         // Set the correct context (if none is provided)
         context = context || document;

         // Handle the common XPath // expression
         if ( !t.indexOf("//") ) {
            context = context.documentElement;
            t = t.substr(2,t.length);

            // And the / root expression
         } else if ( !t.indexOf("/") ) {
            context = context.documentElement;
            t = t.substr(1,t.length);
            if ( t.indexOf("/") >= 1 )
               t = t.substr(t.indexOf("/"),t.length);
         }

         // Initialize the search
         var ret = [context], done = [], last = null;

         // Continue while a selector expression exists, and while
         // we're no longer looping upon ourselves
         while ( t && last != t ) {
            var r = [];
            last = t;

            t = jQuery.trim(t).replace( /^\/\//i, "" );

            var foundToken = false;

            // An attempt at speeding up child selectors that
            // point to a specific element tag
            var re = /^[\/>]\s*([a-z0-9*-]+)/i;
            var m = re.exec(t);

            if ( m ) {
               // Perform our own iteration and filter
               jQuery.each( ret, function(){
                     for ( var c = this.firstChild; c; c = c.nextSibling )
                     if ( c.nodeType == 1 && ( jQuery.nodeName(c, m[1]) || m[1] == "*" ) )
                     r.push( c );
                     });

               ret = r;
               t = t.replace( re, "" );
               if ( t.indexOf(" ") == 0 ) continue;
               foundToken = true;
            } else {
               // Look for pre-defined expression tokens
               for ( var i = 0; i < jQuery.token.length; i += 2 ) {
                  // Attempt to match each, individual, token in
                  // the specified order
                  var re = jQuery.token[i];
                  var m = re.exec(t);

                  // If the token match was found
                  if ( m ) {
                     // Map it against the token's handler
                     r = ret = jQuery.map( ret, jQuery.isFunction( jQuery.token[i+1] ) ?
                           jQuery.token[i+1] :
                           function(a){ return eval(jQuery.token[i+1]); });

                     // And remove the token
                     t = jQuery.trim( t.replace( re, "" ) );
                     foundToken = true;
                     break;
                  }
               }
            }

            // See if there's still an expression, and that we haven't already
            // matched a token
            if ( t && !foundToken ) {
               // Handle multiple expressions
               if ( !t.indexOf(",") ) {
                  // Clean the result set
                  if ( ret[0] == context ) ret.shift();

                  // Merge the result sets
                  jQuery.merge( done, ret );

                  // Reset the context
                  r = ret = [context];

                  // Touch up the selector string
                  t = " " + t.substr(1,t.length);

               } else {
                  // Optomize for the case nodeName#idName
                  var re2 = /^([a-z0-9_-]+)(#)([a-z0-9\\*_-]*)/i;
                  var m = re2.exec(t);

                  // Re-organize the results, so that they're consistent
                  if ( m ) {
                     m = [ 0, m[2], m[3], m[1] ];

                  } else {
                     // Otherwise, do a traditional filter check for
                     // ID, class, and element selectors
                     re2 = /^([#.]?)([a-z0-9\\*_-]*)/i;
                     m = re2.exec(t);
                  }

                  // Try to do a global search by ID, where we can
                  if ( m[1] == "#" && ret[ret.length-1].getElementById ) {
                     // Optimization for HTML document case
                     var oid = ret[ret.length-1].getElementById(m[2]);

                     // Do a quick check for node name (where applicable) so
                     // that div#foo searches will be really fast
                     ret = r = oid && 
                        (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];

                  } else {
                     // Pre-compile a regular expression to handle class searches
                     if ( m[1] == "." )
                        var rec = new RegExp("(^|\\s)" + m[2] + "(\\s|$)");

                     // We need to find all descendant elements, it is more
                     // efficient to use getAll() when we are already further down
                     // the tree - we try to recognize that here
                     jQuery.each( ret, function(){
                           // Grab the tag name being searched for
                           var tag = m[1] != "" || m[0] == "" ? "*" : m[2];

                           // Handle IE7 being really dumb about <object>s
                           if ( jQuery.nodeName(this, "object") && tag == "*" )
                           tag = "param";

                           jQuery.merge( r,
                              m[1] != "" && ret.length != 1 ?
                              jQuery.getAll( this, [], m[1], m[2], rec ) :
                              this.getElementsByTagName( tag )
                              );
                           });

                     // It's faster to filter by class and be done with it
                     if ( m[1] == "." && ret.length == 1 )
                        r = jQuery.grep( r, function(e) {
                              return rec.test(e.className);
                              });

                     // Same with ID filtering
                     if ( m[1] == "#" && ret.length == 1 ) {
                        // Remember, then wipe out, the result set
                        var tmp = r;
                        r = [];

                        // Then try to find the element with the ID
                        jQuery.each( tmp, function(){
                              if ( this.getAttribute("id") == m[2] ) {
                              r = [ this ];
                              return false;
                              }
                              });
                     }

                     ret = r;
                  }

                  t = t.replace( re2, "" );
               }

            }

            // If a selector string still exists
            if ( t ) {
               // Attempt to filter it
               var val = jQuery.filter(t,r);
               ret = r = val.r;
               t = jQuery.trim(val.t);
            }
         }

         // Remove the root context
         if ( ret && ret[0] == context ) ret.shift();

         // And combine the results
         jQuery.merge( done, ret );

         return done;
      },

filter: function(t,r,not) {
           // Look for common filter expressions
           while ( t && /^[a-z[({<*:.#]/i.test(t) ) {

                 var p = jQuery.parse, m;

                 jQuery.each( p, function(i,re){

                    // Look for, and replace, string-like sequences
                    // and finally build a regexp out of it
                    m = re.exec( t );

                    if ( m ) {
                    // Remove what we just matched
                    t = t.substring( m[0].length );

                    // Re-organize the first match
                    if ( jQuery.expr[ m[1] ]._resort )
                    m = jQuery.expr[ m[1] ]._resort( m );

                    return false;
                    }
                    });

                 // :not() is a special case that can be optimized by
                 // keeping it out of the expression list
                 if ( m[1] == ":" && m[2] == "not" )
                    r = jQuery.filter(m[3], r, true).r;

                 // Handle classes as a special case (this will help to
                 // improve the speed, as the regexp will only be compiled once)
                 else if ( m[1] == "." ) {

                    var re = new RegExp("(^|\\s)" + m[2] + "(\\s|$)");
                    r = jQuery.grep( r, function(e){
                          return re.test(e.className || "");
                          }, not);

                    // Otherwise, find the expression to execute
                 } else {
                    var f = jQuery.expr[m[1]];
                    if ( typeof f != "string" )
                       f = jQuery.expr[m[1]][m[2]];

                    // Build a custom macro to enclose it
                    eval("f = function(a,i){" +
                          ( jQuery.expr[ m[1] ]._prefix || "" ) +
                          "return " + f + "}");

                    // Execute it against the current filter
                    r = jQuery.grep( r, f, not );
                 }
           }

           // Return an array of filtered elements (r)
           // and the modified expression string (t)
           return { r: r, t: t };
           },

getAll: function( o, r, token, name, re ) {
           for ( var s = o.firstChild; s; s = s.nextSibling )
              if ( s.nodeType == 1 ) {
                 var add = true;

                 if ( token == "." )
                    add = s.className && re.test(s.className);
                 else if ( token == "#" )
                    add = s.getAttribute("id") == name;

                 if ( add )
                    r.push( s );

                 if ( token == "#" && r.length ) break;

                 if ( s.firstChild )
                    jQuery.getAll( s, r, token, name, re );
              }

           return r;
        },
parents: function( elem ){
            var matched = [];
            var cur = elem.parentNode;
            while ( cur && cur != document ) {
               matched.push( cur );
               cur = cur.parentNode;
            }
            return matched;
         },
nth: function(cur,result,dir,elem){
        result = result || 1;
        var num = 0;
        for ( ; cur; cur = cur[dir] ) {
           if ( cur.nodeType == 1 ) num++;
           if ( num == result || result == "even" && num % 2 == 0 && num > 1 && cur == elem ||
                 result == "odd" && num % 2 == 1 && cur == elem ) return cur;
        }
     },
sibling: function( n, elem ) {
            var r = [];

            for ( ; n; n = n.nextSibling ) {
               if ( n.nodeType == 1 && (!elem || n != elem) )
                  r.push( n );
            }

            return r;
         }
        });
/*
 * A number of helper functions used for managing events.
 * Many of the ideas behind this code orignated from 
 * Dean Edwards' addEvent library.
 */
jQuery.event = {

   // Bind an event to an element
   // Original by Dean Edwards
add: function(element, type, handler, data) {
        // For whatever reason, IE has trouble passing the window object
        // around, causing it to be cloned in the process
        if ( jQuery.browser.msie && element.setInterval != undefined )
           element = window;

        // if data is passed, bind to handler
        if( data ) 
           handler.data = data;

        // Make sure that the function being executed has a unique ID
        if ( !handler.guid )
           handler.guid = this.guid++;

        // Init the element's event structure
        if (!element.events)
           element.events = {};

        // Get the current list of functions bound to this event
        var handlers = element.events[type];

        // If it hasn't been initialized yet
        if (!handlers) {
           // Init the event handler queue
           handlers = element.events[type] = {};

           // Remember an existing handler, if it's already there
           if (element["on" + type])
              handlers[0] = element["on" + type];
        }

        // Add the function to the element's handler list
        handlers[handler.guid] = handler;

        // And bind the global event handler to the element
        element["on" + type] = this.handle;

        // Remember the function in a global list (for triggering)
        if (!this.global[type])
           this.global[type] = [];
        this.global[type].push( element );
     },

guid: 1,
      global: {},

      // Detach an event or set of events from an element
      remove: function(element, type, handler) {
         if (element.events)
            if ( type && type.type )
               delete element.events[ type.type ][ type.handler.guid ];
            else if (type && element.events[type])
               if ( handler )
                  delete element.events[type][handler.guid];
               else
                  for ( var i in element.events[type] )
                     delete element.events[type][i];
            else
               for ( var j in element.events )
                  this.remove( element, j );
      },

trigger: function(type,data,element) {
            // Clone the incoming data, if any
            data = jQuery.makeArray(data || []);

            // Handle a global trigger
            if ( !element )
               jQuery.each( this.global[type] || [], function(){
                     jQuery.event.trigger( type, data, this );
                     });

            // Handle triggering a single element
            else {
               var handler = element["on" + type ], val,
                   fn = jQuery.isFunction( element[ type ] );

               if ( handler ) {
                  // Pass along a fake event
                  data.unshift( this.fix({ type: type, target: element }) );

                  // Trigger the event
                  if ( (val = handler.apply( element, data )) !== false )
                     this.triggered = true;
               }

               if ( fn && val !== false )
                  element[ type ]();

               this.triggered = false;
            }
         },

handle: function(event) {
           // Handle the second event of a trigger and when
           // an event is called after a page has unloaded
           if ( typeof jQuery == "undefined" || jQuery.event.triggered ) return;

           // Empty object is for triggered events with no data
           event = jQuery.event.fix( event || window.event || {} ); 

           // returned undefined or false
           var returnValue;

           var c = this.events[event.type];

           var args = [].slice.call( arguments, 1 );
           args.unshift( event );

           for ( var j in c ) {
              // Pass in a reference to the handler function itself
              // So that we can later remove it
              args[0].handler = c[j];
              args[0].data = c[j].data;

              if ( c[j].apply( this, args ) === false ) {
                 event.preventDefault();
                 event.stopPropagation();
                 returnValue = false;
              }
           }

           // Clean up added properties in IE to prevent memory leak
           if (jQuery.browser.msie) event.target = event.preventDefault = event.stopPropagation = event.handler = event.data = null;

           return returnValue;
        },

fix: function(event) {
        // Fix target property, if necessary
        if ( !event.target && event.srcElement )
           event.target = event.srcElement;

        // Calculate pageX/Y if missing and clientX/Y available
        if ( event.pageX == undefined && event.clientX != undefined ) {
           var e = document.documentElement, b = document.body;
           event.pageX = event.clientX + (e.scrollLeft || b.scrollLeft);
           event.pageY = event.clientY + (e.scrollTop || b.scrollTop);
        }

        // check if target is a textnode (safari)
        if (jQuery.browser.safari && event.target.nodeType == 3) {
           // store a copy of the original event object 
           // and clone because target is read only
           var originalEvent = event;
           event = jQuery.extend({}, originalEvent);

           // get parentnode from textnode
           event.target = originalEvent.target.parentNode;

           // add preventDefault and stopPropagation since 
           // they will not work on the clone
           event.preventDefault = function() {
              return originalEvent.preventDefault();
           };
           event.stopPropagation = function() {
              return originalEvent.stopPropagation();
           };
        }

        // fix preventDefault and stopPropagation
        if (!event.preventDefault)
           event.preventDefault = function() {
              this.returnValue = false;
           };

        if (!event.stopPropagation)
           event.stopPropagation = function() {
              this.cancelBubble = true;
           };

        return event;
     }
};

jQuery.fn.extend({
bind: function( type, data, fn ) {
return this.each(function(){
   jQuery.event.add( this, type, fn || data, data );
   });
},
one: function( type, data, fn ) {
return this.each(function(){
   jQuery.event.add( this, type, function(event) {
      jQuery(this).unbind(event);
      return (fn || data).apply( this, arguments);
      }, data);
   });
},
unbind: function( type, fn ) {
return this.each(function(){
   jQuery.event.remove( this, type, fn );
   });
},
trigger: function( type, data ) {
return this.each(function(){
   jQuery.event.trigger( type, data, this );
   });
         },
toggle: function() {
           // Save reference to arguments for access in closure
           var a = arguments;

           return this.click(function(e) {
                 // Figure out which function to execute
                 this.lastToggle = this.lastToggle == 0 ? 1 : 0;

                 // Make sure that clicks stop
                 e.preventDefault();

                 // and execute the function
                 return a[this.lastToggle].apply( this, [e] ) || false;
                 });
        },
hover: function(f,g) {

          // A private function for handling mouse 'hovering'
          function handleHover(e) {
             // Check if mouse(over|out) are still within the same parent element
             var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;

             // Traverse up the tree
             while ( p && p != this ) try { p = p.parentNode } catch(e) { p = this; };

             // If we actually just moused on to a sub-element, ignore it
             if ( p == this ) return false;

             // Execute the right function
             return (e.type == "mouseover" ? f : g).apply(this, [e]);
          }

          // Bind the function to the two event listeners
          return this.mouseover(handleHover).mouseout(handleHover);
       },
ready: function(f) {
          // If the DOM is already ready
          if ( jQuery.isReady )
             // Execute the function immediately
             f.apply( document, [jQuery] );

          // Otherwise, remember the function for later
          else {
             // Add the function to the wait list
             jQuery.readyList.push( function() { return f.apply(this, [jQuery]) } );
          }

          return this;
       }
});

jQuery.extend({
      /*
       * All the code that makes DOM Ready work nicely.
       */
isReady: false,
readyList: [],

// Handle when the DOM is ready
ready: function() {
// Make sure that the DOM is not already loaded
if ( !jQuery.isReady ) {
// Remember that the DOM is ready
jQuery.isReady = true;

// If there are functions bound, to execute
if ( jQuery.readyList ) {
// Execute all of them
jQuery.each( jQuery.readyList, function(){
   this.apply( document );
   });

// Reset the list of functions
jQuery.readyList = null;
}
// Remove event lisenter to avoid memory leak
if ( jQuery.browser.mozilla || jQuery.browser.opera )
   document.removeEventListener( "DOMContentLoaded", jQuery.ready, false );
   }
}
});

new function(){

   jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
            "mousedown,mouseup,mousemove,mouseover,mouseout,change,select," + 
            "submit,keydown,keypress,keyup,error").split(","), function(i,o){

         // Handle event binding
         jQuery.fn[o] = function(f){
         return f ? this.bind(o, f) : this.trigger(o);
         };

         });

   // If Mozilla is used
   if ( jQuery.browser.mozilla || jQuery.browser.opera )
      // Use the handy event callback
      document.addEventListener( "DOMContentLoaded", jQuery.ready, false );

   // If IE is used, use the excellent hack by Matthias Miller
   // http://www.outofhanwell.com/blog/index.php?title=the_window_onload_problem_revisited
   else if ( jQuery.browser.msie ) {

      // Only works if you document.write() it
      document.write("<scr" + "ipt id=__ie_init defer=true " + 
            "src=//:><\/script>");

      // Use the defer script hack
      var script = document.getElementById("__ie_init");

      // script does not exist if jQuery is loaded dynamically
      if ( script ) 
         script.onreadystatechange = function() {
            if ( this.readyState != "complete" ) return;
            this.parentNode.removeChild( this );
            jQuery.ready();
         };

      // Clear from memory
      script = null;

      // If Safari  is used
   } else if ( jQuery.browser.safari )
      // Continually check to see if the document.readyState is valid
      jQuery.safariTimer = setInterval(function(){
            // loaded and complete are both valid states
            if ( document.readyState == "loaded" || 
               document.readyState == "complete" ) {

            // If either one are found, remove the timer
            clearInterval( jQuery.safariTimer );
            jQuery.safariTimer = null;

            // and execute any waiting functions
            jQuery.ready();
            }
            }, 10); 

   // A fallback to window.onload, that will always work
   jQuery.event.add( window, "load", jQuery.ready );

};

// Clean up after IE to avoid memory leaks
if (jQuery.browser.msie)
   jQuery(window).one("unload", function() {
         var global = jQuery.event.global;
         for ( var type in global ) {
         var els = global[type], i = els.length;
         if ( i && type != 'unload' )
         do
         jQuery.event.remove(els[i-1], type);
         while (--i);
         }
         });
jQuery.fn.extend({

show: function(speed,callback){
var hidden = this.filter(":hidden");
speed ?
hidden.animate({
height: "show", width: "show", opacity: "show"
}, speed, callback) :

hidden.each(function(){
   this.style.display = this.oldblock ? this.oldblock : "";
   if ( jQuery.css(this,"display") == "none" )
   this.style.display = "block";
   });
return this;
},

hide: function(speed,callback){
var visible = this.filter(":visible");
speed ?
visible.animate({
height: "hide", width: "hide", opacity: "hide"
}, speed, callback) :

   visible.each(function(){
         this.oldblock = this.oldblock || jQuery.css(this,"display");
         if ( this.oldblock == "none" )
         this.oldblock = "block";
         this.style.display = "none";
         });
return this;
},

   // Save the old toggle function
_toggle: jQuery.fn.toggle,
   toggle: function( fn, fn2 ){
      var args = arguments;
      return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
         this._toggle( fn, fn2 ) :
            this.each(function(){
                  jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]
                  .apply( jQuery(this), args );
                  });
   },
slideDown: function(speed,callback){
              return this.animate({height: "show"}, speed, callback);
           },
slideUp: function(speed,callback){
            return this.animate({height: "hide"}, speed, callback);
         },
slideToggle: function(speed, callback){
                return this.each(function(){
                      var state = jQuery(this).is(":hidden") ? "show" : "hide";
                      jQuery(this).animate({height: state}, speed, callback);
                      });
             },
fadeIn: function(speed, callback){
           return this.animate({opacity: "show"}, speed, callback);
        },
fadeOut: function(speed, callback){
            return this.animate({opacity: "hide"}, speed, callback);
         },
fadeTo: function(speed,to,callback){
           return this.animate({opacity: to}, speed, callback);
        },
animate: function( prop, speed, easing, callback ) {
            return this.queue(function(){

                  this.curAnim = jQuery.extend({}, prop);
                  var opt = jQuery.speed(speed, easing, callback);

                  for ( var p in prop ) {
                  var e = new jQuery.fx( this, opt, p );
                  if ( prop[p].constructor == Number )
                  e.custom( e.cur(), prop[p] );
                  else
                  e[ prop[p] ]( prop );
                  }

                  });
         },
queue: function(type,fn){
          if ( !fn ) {
             fn = type;
             type = "fx";
          }

          return this.each(function(){
                if ( !this.queue )
                this.queue = {};

                if ( !this.queue[type] )
                this.queue[type] = [];

                this.queue[type].push( fn );

                if ( this.queue[type].length == 1 )
                fn.apply(this);
                });
       }

});

jQuery.extend({

speed: function(speed, easing, fn) {
var opt = speed && speed.constructor == Object ? speed : {
complete: fn || !fn && easing || 
jQuery.isFunction( speed ) && speed,
duration: speed,
easing: fn && easing || easing && easing.constructor != Function && easing
};

opt.duration = (opt.duration && opt.duration.constructor == Number ? 
   opt.duration : 
   { slow: 600, fast: 200 }[opt.duration]) || 400;

// Queueing
opt.old = opt.complete;
opt.complete = function(){
jQuery.dequeue(this, "fx");
if ( jQuery.isFunction( opt.old ) )
opt.old.apply( this );
};

return opt;
},

easing: {},

   queue: {},

   dequeue: function(elem,type){
      type = type || "fx";

      if ( elem.queue && elem.queue[type] ) {
         // Remove self
         elem.queue[type].shift();

         // Get next function
         var f = elem.queue[type][0];

         if ( f ) f.apply( elem );
      }
   },

   /*
    * I originally wrote fx() as a clone of moo.fx and in the process
    * of making it small in size the code became illegible to sane
    * people. You've been warned.
    */

fx: function( elem, options, prop ){

       var z = this;

       // The styles
       var y = elem.style;

       // Store display property
       var oldDisplay = jQuery.css(elem, "display");

       // Set display property to block for animation
       y.display = "block";

       // Make sure that nothing sneaks out
       y.overflow = "hidden";

       // Simple function for setting a style value
       z.a = function(){
          if ( options.step )
             options.step.apply( elem, [ z.now ] );

          if ( prop == "opacity" )
             jQuery.attr(y, "opacity", z.now); // Let attr handle opacity
          else if ( parseInt(z.now) ) // My hate for IE will never die
             y[prop] = parseInt(z.now) + "px";
       };

       // Figure out the maximum number to run to
       z.max = function(){
          return parseFloat( jQuery.css(elem,prop) );
       };

       // Get the current size
       z.cur = function(){
          var r = parseFloat( jQuery.curCSS(elem, prop) );
          return r && r > -10000 ? r : z.max();
       };

       // Start an animation from one number to another
       z.custom = function(from,to){
          z.startTime = (new Date()).getTime();
          z.now = from;
          z.a();

          z.timer = setInterval(function(){
                z.step(from, to);
                }, 13);
       };

       // Simple 'show' function
       z.show = function(){
          if ( !elem.orig ) elem.orig = {};

          // Remember where we started, so that we can go back to it later
          elem.orig[prop] = this.cur();

          options.show = true;

          // Begin the animation
          z.custom(0, elem.orig[prop]);

          // Stupid IE, look what you made me do
          if ( prop != "opacity" )
             y[prop] = "1px";
       };

       // Simple 'hide' function
       z.hide = function(){
          if ( !elem.orig ) elem.orig = {};

          // Remember where we started, so that we can go back to it later
          elem.orig[prop] = this.cur();

          options.hide = true;

          // Begin the animation
          z.custom(elem.orig[prop], 0);
       };

       //Simple 'toggle' function
       z.toggle = function() {
          if ( !elem.orig ) elem.orig = {};

          // Remember where we started, so that we can go back to it later
          elem.orig[prop] = this.cur();

          if(oldDisplay == "none")  {
             options.show = true;

             // Stupid IE, look what you made me do
             if ( prop != "opacity" )
                y[prop] = "1px";

             // Begin the animation
             z.custom(0, elem.orig[prop]);	
          } else {
             options.hide = true;

             // Begin the animation
             z.custom(elem.orig[prop], 0);
          }		
       };

       // Each step of an animation
       z.step = function(firstNum, lastNum){
          var t = (new Date()).getTime();

          if (t > options.duration + z.startTime) {
             // Stop the timer
             clearInterval(z.timer);
             z.timer = null;

             z.now = lastNum;
             z.a();

             if (elem.curAnim) elem.curAnim[ prop ] = true;

             var done = true;
             for ( var i in elem.curAnim )
                if ( elem.curAnim[i] !== true )
                   done = false;

             if ( done ) {
                // Reset the overflow
                y.overflow = "";

                // Reset the display
                y.display = oldDisplay;
                if (jQuery.css(elem, "display") == "none")
                   y.display = "block";

                // Hide the element if the "hide" operation was done
                if ( options.hide ) 
                   y.display = "none";

                // Reset the properties, if the item has been hidden or shown
                if ( options.hide || options.show )
                   for ( var p in elem.curAnim )
                      if (p == "opacity")
                         jQuery.attr(y, p, elem.orig[p]);
                      else
                         y[p] = "";
             }

             // If a callback was provided, execute it
             if ( done && jQuery.isFunction( options.complete ) )
                // Execute the complete function
                options.complete.apply( elem );
          } else {
             var n = t - this.startTime;
             // Figure out where in the animation we are and set the number
             var p = n / options.duration;

             // If the easing function exists, then use it 
             z.now = options.easing && jQuery.easing[options.easing] ?
                jQuery.easing[options.easing](p, n,  firstNum, (lastNum-firstNum), options.duration) :
                   // else use default linear easing
                   ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;

             // Perform the next step of the animation
             z.a();
          }
       };

    }
});
jQuery.fn.extend({
loadIfModified: function( url, params, callback ) {
this.load( url, params, callback, 1 );
},
load: function( url, params, callback, ifModified ) {
if ( jQuery.isFunction( url ) )
return this.bind("load", url);

callback = callback || function(){};

// Default to a GET request
var type = "GET";

// If the second parameter was provided
if ( params )
// If it's a function
if ( jQuery.isFunction( params ) ) {
// We assume that it's the callback
callback = params;
params = null;

// Otherwise, build a param string
} else {
   params = jQuery.param( params );
   type = "POST";
}

var self = this;

// Request the remote document
jQuery.ajax({
url: url,
type: type,
data: params,
ifModified: ifModified,
complete: function(res, status){
if ( status == "success" || !ifModified && status == "notmodified" )
// Inject the HTML into all the matched elements
self.attr("innerHTML", res.responseText)
// Execute all the scripts inside of the newly-injected HTML
.evalScripts()
// Execute callback
.each( callback, [res.responseText, status, res] );
else
callback.apply( self, [res.responseText, status, res] );
}
});
return this;
},
serialize: function() {
              return jQuery.param( this );
           },
evalScripts: function() {
                return this.find("script").each(function(){
                      if ( this.src )
                      jQuery.getScript( this.src );
                      else
                      jQuery.globalEval( this.text || this.textContent || this.innerHTML || "" );
                      }).end();
             }

});

// If IE is used, create a wrapper for the XMLHttpRequest object
if ( !window.XMLHttpRequest )
   XMLHttpRequest = function(){
      return new ActiveXObject("Microsoft.XMLHTTP");
   };

// Attach a bunch of functions for handling common AJAX events

jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){
      jQuery.fn[o] = function(f){
      return this.bind(o, f);
      };
      });

jQuery.extend({
get: function( url, data, callback, type, ifModified ) {
// shift arguments if data argument was ommited
if ( jQuery.isFunction( data ) ) {
callback = data;
data = null;
}

return jQuery.ajax({
url: url,
data: data,
success: callback,
dataType: type,
ifModified: ifModified
});
},
getIfModified: function( url, data, callback, type ) {
return jQuery.get(url, data, callback, type, 1);
},
getScript: function( url, callback ) {
return jQuery.get(url, null, callback, "script");
},
getJSON: function( url, data, callback ) {
            return jQuery.get(url, data, callback, "json");
         },
post: function( url, data, callback, type ) {
         if ( jQuery.isFunction( data ) ) {
            callback = data;
            data = {};
         }

         return jQuery.ajax({
type: "POST",
url: url,
data: data,
success: callback,
dataType: type
});
},

   // timeout (ms)
   //timeout: 0,
ajaxTimeout: function( timeout ) {
                jQuery.ajaxSettings.timeout = timeout;
             },
ajaxSetup: function( settings ) {
              jQuery.extend( jQuery.ajaxSettings, settings );
           },

ajaxSettings: {
global: true,
        type: "GET",
        timeout: 0,
        contentType: "application/x-www-form-urlencoded",
        processData: true,
        async: true,
        data: null
              },

              // Last-Modified header cache for next request
lastModified: {},
   ajax: function( s ) {
      // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
      s = jQuery.extend({}, jQuery.ajaxSettings, s);

      // if data available
      if ( s.data ) {
         // convert data if not already a string
         if (s.processData && typeof s.data != "string")
            s.data = jQuery.param(s.data);
         // append data to url for get requests
         if( s.type.toLowerCase() == "get" )
            // "?" + data or "&" + data (in case there are already params)
            s.url += ((s.url.indexOf("?") > -1) ? "&" : "?") + s.data;
      }

      // Watch for a new set of requests
      if ( s.global && ! jQuery.active++ )
         jQuery.event.trigger( "ajaxStart" );

      var requestDone = false;

      // Create the request object
      var xml = new XMLHttpRequest();

      // Open the socket
      xml.open(s.type, s.url, s.async);

      // Set the correct header, if data is being sent
      if ( s.data )
         xml.setRequestHeader("Content-Type", s.contentType);

      // Set the If-Modified-Since header, if ifModified mode.
      if ( s.ifModified )
         xml.setRequestHeader("If-Modified-Since",
               jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );

      // Set header so the called script knows that it's an XMLHttpRequest
      xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");

      // Make sure the browser sends the right content length
      if ( xml.overrideMimeType )
         xml.setRequestHeader("Connection", "close");

      // Allow custom headers/mimetypes
      if( s.beforeSend )
         s.beforeSend(xml);

      if ( s.global )
         jQuery.event.trigger("ajaxSend", [xml, s]);

      // Wait for a response to come back
      var onreadystatechange = function(isTimeout){
         // The transfer is complete and the data is available, or the request timed out
         if ( xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
            requestDone = true;
            var status;
            try {
               status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
                  s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error";
               // Make sure that the request was successful or notmodified
               if ( status != "error" ) {
                  // Cache Last-Modified header, if ifModified mode.
                  var modRes;
                  try {
                     modRes = xml.getResponseHeader("Last-Modified");
                  } catch(e) {} // swallow exception thrown by FF if header is not available

                  if ( s.ifModified && modRes )
                     jQuery.lastModified[s.url] = modRes;

                  // process the data (runs the xml through httpData regardless of callback)
                  var data = jQuery.httpData( xml, s.dataType );

                  // If a local callback was specified, fire it and pass it the data
                  if ( s.success )
                     s.success( data, status );

                  // Fire the global callback
                  if( s.global )
                     jQuery.event.trigger( "ajaxSuccess", [xml, s] );
               } else
                  jQuery.handleError(s, xml, status);
            } catch(e) {
               status = "error";
               jQuery.handleError(s, xml, status, e);
            }

            // The request was completed
            if( s.global )
               jQuery.event.trigger( "ajaxComplete", [xml, s] );

            // Handle the global AJAX counter
            if ( s.global && ! --jQuery.active )
               jQuery.event.trigger( "ajaxStop" );

            // Process result
            if ( s.complete )
               s.complete(xml, status);

            // Stop memory leaks
            xml.onreadystatechange = function(){};
            xml = null;
         }
      };
      xml.onreadystatechange = onreadystatechange;

      // Timeout checker
      if ( s.timeout > 0 )
         setTimeout(function(){
               // Check to see if the request is still happening
               if ( xml ) {
               // Cancel the request
               xml.abort();

               if( !requestDone )
               onreadystatechange( "timeout" );
               }
               }, s.timeout);

      // save non-leaking reference 
      var xml2 = xml;

      // Send the data
      try {
         xml2.send(s.data);
      } catch(e) {
         jQuery.handleError(s, xml, null, e);
      }

      // firefox 1.5 doesn't fire statechange for sync requests
      if ( !s.async )
         onreadystatechange();

      // return XMLHttpRequest to allow aborting the request etc.
      return xml2;
   },

handleError: function( s, xml, status, e ) {
                // If a local callback was specified, fire it
                if ( s.error ) s.error( xml, status, e );

                // Fire the global callback
                if ( s.global )
                   jQuery.event.trigger( "ajaxError", [xml, s, e] );
             },

             // Counter for holding the number of active queries
active: 0,

   // Determines if an XMLHttpRequest was successful or not
   httpSuccess: function( r ) {
      try {
         return !r.status && location.protocol == "file:" ||
            ( r.status >= 200 && r.status < 300 ) || r.status == 304 ||
            jQuery.browser.safari && r.status == undefined;
      } catch(e){}
      return false;
   },

   // Determines if an XMLHttpRequest returns NotModified
httpNotModified: function( xml, url ) {
                    try {
                       var xmlRes = xml.getResponseHeader("Last-Modified");

                       // Firefox always returns 200. check Last-Modified date
                       return xml.status == 304 || xmlRes == jQuery.lastModified[url] ||
                          jQuery.browser.safari && xml.status == undefined;
                    } catch(e){}
                    return false;
                 },

                 /* Get the data out of an XMLHttpRequest.
                  * Return parsed XML if content-type header is "xml" and type is "xml" or omitted,
                  * otherwise return plain text.
                  * (String) data - The type of data that you're expecting back,
                  * (e.g. "xml", "html", "script")
                  */
httpData: function( r, type ) {
             var ct = r.getResponseHeader("content-type");
             var data = !type && ct && ct.indexOf("xml") >= 0;
             data = type == "xml" || data ? r.responseXML : r.responseText;

             // If the type is "script", eval it in global context
             if ( type == "script" )
                jQuery.globalEval( data );

             // Get the JavaScript object, if JSON is used.
             if ( type == "json" )
                eval( "data = " + data );

             // evaluate scripts within html
             if ( type == "html" )
                jQuery("<div>").html(data).evalScripts();

             return data;
          },

          // Serialize an array of form elements or a set of
          // key/values into a query string
param: function( a ) {
          var s = [];

          // If an array was passed in, assume that it is an array
          // of form elements
          if ( a.constructor == Array || a.jquery )
             // Serialize the form elements
             jQuery.each( a, function(){
                   s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
                   });

          // Otherwise, assume that it's an object of key/value pairs
          else
             // Serialize the key/values
             for ( var j in a )
                // If the value is an array then the key names need to be repeated
                if ( a[j] && a[j].constructor == Array )
                   jQuery.each( a[j], function(){
                         s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
                         });
                else
                   s.push( encodeURIComponent(j) + "=" + encodeURIComponent( a[j] ) );

          // Return the resulting serialization
          return s.join("&");
       },

       // evalulates a script in global context
       // not reliable for safari
globalEval: function( data ) {
               if ( window.execScript )
                  window.execScript( data );
               else if ( jQuery.browser.safari )
                  // safari doesn't provide a synchronous global eval
                  window.setTimeout( data, 0 );
               else
                  eval.call( window, data );
            }

});
}