/*
 * jQuery - New Wave Javascript
 *
 * Copyright (c) 2006 John Resig (jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * $Date: 2006/09/14 22:57:37 $
 * $Rev: 288 $
 */

// Global undefined variable
window.undefined = window.undefined;
function jQuery(a,c) {

  // Shortcut for document ready (because $(document).each() is silly)
  if ( a && a.constructor == Function && jQuery.fn.ready )
    return jQuery(document).ready(a);

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

  // Watch for when a jQuery object is passed as the selector
  if ( a.jquery )
    return jQuery( jQuery.merge( a, [] ) );

  // Watch for when a jQuery object is passed at the context
  if ( c && c.jquery )
    return jQuery( c ).find(a);

  // If the context is global, return a new object
  if ( window == this )
    return new jQuery(a,c);

  // Handle HTML strings
  var m = /^[^<]*(<.+>)[^>]*$/.exec(a);
  if ( m ) a = jQuery.clean( [ m[1] ] );

  // Watch for when an array is passed in
  this.get( a.constructor == Array || a.length && !a.nodeType && a[0] != undefined && a[0].nodeType ?
    // Assume that it is an array of DOM Elements
    jQuery.merge( a, [] ) :

    // Find the matching elements and save them for later
    jQuery.find( a, c ) );

  // See if an extra function was provided
  var fn = arguments[ arguments.length - 1 ];

  // If so, execute it in context
  if ( fn && fn.constructor == Function )
    this.each(fn);
}

// 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: "$Rev: 288 $",

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

  get: function( num ) {
    // Watch for when an array (of elements) is passed in
    if ( num && num.constructor == Array ) {

      // Use a tricky hack to make the jQuery object
      // look and feel like an array
      this.length = 0;
      [].push.apply( this, num );

      return this;
    } else
      return num == undefined ?

        // Return a 'clean' array
        jQuery.merge( this, [] ) :

        // Return just the object
        this[num];
  },
  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 ) {
    // Check to see if we're setting style values
    return key.constructor != String || value != undefined ?
      this.each(function(){
        // See if we're setting a hash of styles
        if ( value == undefined )
          // Set all the styles
          for ( var prop in key )
            jQuery.attr(
              type ? this.style : this,
              prop, key[prop]
            );

        // See if we're setting a single key/value style
        else
          jQuery.attr(
            type ? this.style : this,
            key, value
          );
      }) :

      // Look for the case where we're accessing a style value
      jQuery[ type || "attr" ]( this[0], key );
  },

  css: function( key, value ) {
    return this.attr( key, value, "curCSS" );
  },
  text: function(e) {
    e = e || this;
    var t = "";
    for ( var j = 0; j < e.length; j++ ) {
      var r = e[j].childNodes;
      for ( var i = 0; i < r.length; i++ )
        if ( r[i].nodeType != 8 )
          t += r[i].nodeType != 1 ?
            r[i].nodeValue : jQuery.fn.text([ r[i] ]);
    }
    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 he 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.get( this.stack.pop() );
  },
  find: function(t) {
    return this.pushStack( jQuery.map( this, function(a){
      return jQuery.find(t,a);
    }), arguments );
  },
  clone: function(deep) {
    return this.pushStack( jQuery.map( this, function(a){
      return a.cloneNode( deep != undefined ? deep : true );
    }), arguments );
  },

  filter: function(t) {
    return this.pushStack(
      t.constructor == Array &&
      jQuery.map(this,function(a){
        for ( var i = 0; i < t.length; i++ )
          if ( jQuery.filter(t[i],[a]).r.length )
            return a;
      }) ||

      t.constructor == Boolean &&
      ( t ? this.get() : [] ) ||

      t.constructor == Function &&
      jQuery.grep( this, t ) ||

      jQuery.filter(t,this).r, arguments );
  },

  not: function(t) {
    return this.pushStack( t.constructor == String ?
      jQuery.filter(t,this,false).r :
      jQuery.grep(this,function(a){ return a != t; }), arguments );
  },

  add: function(t) {
    return this.pushStack( jQuery.merge( this, t.constructor == String ?
      jQuery.find(t) : t.constructor == Array ? t : [t] ), arguments );
  },
  is: function(expr) {
    return expr ? jQuery.filter(expr,this).r.length > 0 : false;
  },
  domManip: function(args, table, dir, fn){
    var clone = this.size() > 1;
    var a = jQuery.clean(args);

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

      if ( table && this.nodeName == "TABLE" && a[0].nodeName != "THEAD" ) {
        var tbody = this.getElementsByTagName("tbody");

        if ( !tbody.length ) {
          obj = document.createElement("tbody");
          this.appendChild( obj );
        } else
          obj = tbody[0];
      }

      for ( var i = ( dir < 0 ? a.length - 1 : 0 );
        i != ( dir < 0 ? dir : a.length ); i += dir ) {
          fn.apply( obj, [ clone ? a[i].cloneNode(true) : a[i] ] );
      }
    });
  },
  pushStack: function(a,args) {
    var fn = args && args[args.length-1];

    if ( !fn || fn.constructor != Function ) {
      if ( !this.stack ) this.stack = [];
      this.stack.push( this.get() );
      this.get( a );
    } else {
      var old = this.get();
      this.get( a );
      if ( fn.constructor == Function )
        this.each( fn );
      this.get( old );
    }

    return this;
  }
};

jQuery.extend = jQuery.fn.extend = function(obj,prop) {
  if ( !prop ) { prop = obj; obj = this; }
  for ( var i in prop ) obj[i] = prop[i];
  return obj;
};

jQuery.extend({
  init: function(){
    jQuery.initDone = true;

    jQuery.each( jQuery.macros.axis, function(i,n){
      jQuery.fn[ i ] = function(a) {
        var ret = jQuery.map(this,n);
        if ( a && a.constructor == String )
          ret = jQuery.filter(a,ret).r;
        return this.pushStack( ret, arguments );
      };
    });

    jQuery.each( jQuery.macros.to, function(i,n){
      jQuery.fn[ i ] = function(){
        var a = arguments;
        return this.each(function(){
          for ( var j = 0; j < a.length; j++ )
            jQuery(a[j])[n]( this );
        });
      };
    });

    jQuery.each( jQuery.macros.each, function(i,n){
      jQuery.fn[ i ] = function() {
        return this.each( n, arguments );
      };
    });

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

    jQuery.each( jQuery.macros.attr, function(i,n){
      n = n || i;
      jQuery.fn[ i ] = function(h) {
        return h == undefined ?
          this.length ? this[0][n] : null :
          this.attr( n, h );
      };
    });

    jQuery.each( jQuery.macros.css, function(i,n){
      jQuery.fn[ n ] = function(h) {
        return h == undefined ?
          ( this.length ? jQuery.css( this[0], n ) : null ) :
          this.css( n, h );
      };
    });

  },
  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; i < obj.length; i++ )
        fn.apply( obj[i], args || [i, obj[i]] );
    return obj;
  },

  className: {
    add: function(o,c){
      if (jQuery.className.has(o,c)) return;
      o.className += ( o.className ? " " : "" ) + c;
    },
    remove: function(o,c){
      o.className = !c ? "" :
        o.className.replace(
          new RegExp("(^|\\s*\\b[^-])"+c+"($|\\b(?=[^-]))", "g"), "");
    },
    has: function(e,a) {
      if ( e.className != undefined )
        e = e.className;
      return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e);
    }
  },
  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"];

      for ( var i in d ) {
        old["padding" + d[i]] = 0;
        old["border" + d[i] + "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)).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;
    } else if ( p == "opacity" && jQuery.browser.msie )
      return parseFloat( jQuery.curCSS(e,"filter").replace(/[^0-9.]/,"") ) || 1;

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

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

    if (!force && elem.style[prop]) {

      ret = elem.style[prop];

    } else if (elem.currentStyle) {

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

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

      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() {
          ret = document.defaultView.getComputedStyle(this,null).getPropertyValue(prop);
        });

    }

    return ret;
  },

  clean: function(a) {
    var r = [];
    for ( var i = 0; i < a.length; i++ ) {
      if ( a[i].constructor == String ) {

        var table = "";

        if ( !a[i].indexOf("<thead") || !a[i].indexOf("<tbody") ) {
          table = "thead";
          a[i] = "<table>" + a[i] + "</table>";
        } else if ( !a[i].indexOf("<tr") ) {
          table = "tr";
          a[i] = "<table>" + a[i] + "</table>";
        } else if ( !a[i].indexOf("<td") || !a[i].indexOf("<th") ) {
          table = "td";
          a[i] = "<table><tbody><tr>" + a[i] + "</tr></tbody></table>";
        }

        var div = document.createElement("div");
        div.innerHTML = a[i];

        if ( table ) {
          div = div.firstChild;
          if ( table != "thead" ) div = div.firstChild;
          if ( table == "td" ) div = div.firstChild;
        }

        for ( var j = 0; j < div.childNodes.length; j++ )
          r.push( div.childNodes[j] );
        } else if ( a[i].jquery || a[i].length && !a[i].nodeType )
          for ( var k = 0; k < a[i].length; k++ )
            r.push( a[i][k] );
        else if ( a[i] !== null )
          r.push( a[i].nodeType ? a[i] : document.createTextNode(a[i].toString()) );
    }
    return r;
  },

  expr: {
    "": "m[2]== '*'||a.nodeName.toUpperCase()==m[2].toUpperCase()",
    "#": "a.getAttribute('id')&&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.sibling(a,m[3]).cur",
      "first-child": "jQuery.sibling(a,0).cur",
      "last-child": "jQuery.sibling(a,0).last",
      "only-child": "jQuery.sibling(a).length==1",

      // Parent Checks
      parent: "a.childNodes.length",
      empty: "!a.childNodes.length",

      // Text Check
      contains: "(a.innerText||a.innerHTML).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 elements
      enabled: "!a.disabled",
      disabled: "a.disabled",
      checked: "a.checked",
      selected: "a.selected"
    },
    ".": "jQuery.className.has(a,m[2])",
    "@": {
      "=": "z==m[4]",
      "!=": "z!=m[4]",
      "^=": "!z.indexOf(m[4])",
      "$=": "z.substr(z.length - m[4].length,m[4].length)==m[4]",
      "*=": "z.indexOf(m[4])>=0",
      "": "z"
    },
    "[": "jQuery.find(m[2],a).length"
  },

  token: [
    "\\.\\.|/\\.\\.", "a.parentNode",
    ">|/", "jQuery.sibling(a.firstChild)",
    "\\+", "jQuery.sibling(a).next",
    "~", function(a){
      var r = [];
      var s = jQuery.sibling(a);
      if ( s.n > 0 )
        for ( var i = s.n; i < s.length; i++ )
          r.push( s[i] );
      return r;
    }
  ],
  find: function( t, context ) {
    // Make sure that the context is a DOM Element
    if ( context && context.nodeType == undefined )
      context = null;

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

    if ( t.constructor != String ) return [t];

    if ( !t.indexOf("//") ) {
      context = context.documentElement;
      t = t.substr(2,t.length);
    } else if ( !t.indexOf("/") ) {
      context = context.documentElement;
      t = t.substr(1,t.length);
      // FIX Assume the root element is right :(
      if ( t.indexOf("/") >= 1 )
        t = t.substr(t.indexOf("/"),t.length);
    }

    var ret = [context];
    var done = [];
    var last = null;

    while ( t.length > 0 && last != t ) {
      var r = [];
      last = t;

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

      var foundToken = false;

      for ( var i = 0; i < jQuery.token.length; i += 2 ) {
        if ( foundToken ) continue;

        var re = new RegExp("^(" + jQuery.token[i] + ")");
        var m = re.exec(t);

        if ( m ) {
          r = ret = jQuery.map( ret, jQuery.token[i+1] );
          t = jQuery.trim( t.replace( re, "" ) );
          foundToken = true;
        }
      }

      if ( !foundToken ) {
        if ( !t.indexOf(",") || !t.indexOf("|") ) {
          if ( ret[0] == context ) ret.shift();
          done = jQuery.merge( done, ret );
          r = ret = [context];
          t = " " + t.substr(1,t.length);
        } else {
          var re2 = /^([#.]?)([a-z0-9\\*_-]*)/i;
          var m = re2.exec(t);

          if ( m[1] == "#" ) {
            // Ummm, should make this work in all XML docs
            var oid = document.getElementById(m[2]);
            r = ret = oid ? [oid] : [];
            t = t.replace( re2, "" );
          } else {
            if ( !m[2] || m[1] == "." ) m[2] = "*";

            for ( var i = 0; i < ret.length; i++ )
              r = jQuery.merge( r,
                m[2] == "*" ?
                  jQuery.getAll(ret[i]) :
                  ret[i].getElementsByTagName(m[2])
              );
          }
        }

      }

      if ( t ) {
        var val = jQuery.filter(t,r);
        ret = r = val.r;
        t = jQuery.trim(val.t);
      }
    }

    if ( ret && ret[0] == context ) ret.shift();
    done = jQuery.merge( done, ret );

    return done;
  },

  getAll: function(o,r) {
    r = r || [];
    var s = o.childNodes;
    for ( var i = 0; i < s.length; i++ )
      if ( s[i].nodeType == 1 ) {
        r.push( s[i] );
        jQuery.getAll( s[i], r );
      }
    return r;
  },

  attr: function(elem, name, value){
    var fix = {
      "for": "htmlFor",
      "class": "className",
      "float": "cssFloat",
      innerHTML: "innerHTML",
      className: "className",
      value: "value",
      disabled: "disabled",
      checked: "checked"
    };

    if ( fix[name] ) {
      if ( value != undefined ) elem[fix[name]] = value;
      return elem[fix[name]];
    } else if ( elem.getAttribute != undefined ) {
      if ( value != undefined ) elem.setAttribute( name, value );
      return elem.getAttribute( name, 2 );
    } else {
      name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();});
      if ( value != undefined ) elem[name] = value;
      return elem[name];
    }
  },

  // The regular expressions that power the parsing engine
  parse: [
    // Match: [@value='test'], [@foo]
    [ "\\[ *(@)S *([!*$^=]*) *Q\\]", 1 ],

    // Match: [div], [div p]
    [ "(\\[)Q\\]", 0 ],

    // Match: :contains('foo')
    [ "(:)S\\(Q\\)", 0 ],

    // Match: :even, :last-chlid
    [ "([:.#]*)S", 0 ]
  ],

  filter: function(t,r,not) {
    // Figure out if we're doing regular, or inverse, filtering
    var g = not !== false ? jQuery.grep :
      function(a,f) {return jQuery.grep(a,f,true);};

    while ( t && /^[a-z[({<*:.#]/i.test(t) ) {

      var p = jQuery.parse;

      for ( var i = 0; i < p.length; i++ ) {
        var re = new RegExp( "^" + p[i][0]

          // Look for a string-like sequence
          .replace( 'S', "([a-z*_-][a-z0-9_-]*)" )

          // Look for something (optionally) enclosed with quotes
          .replace( 'Q', " *'?\"?([^'\"]*?)'?\"? *" ), "i" );

        var m = re.exec( t );

        if ( m ) {
          // Re-organize the match
          if ( p[i][1] )
            m = ["", m[1], m[3], m[2], m[4]];

          // Remove what we just matched
          t = t.replace( re, "" );

          break;
        }
      }

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

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

        // Build a custom macro to enclose it
        eval("f = function(a,i){" +
          ( m[1] == "@" ? "z=jQuery.attr(a,m[3]);" : "" ) +
          "return " + f + "}");

        // Execute it against the current filter
        r = g( r, f );
      }
    }

    // Return an array of filtered elements (r)
    // and the modified expression string (t)
    return { r: r, t: t };
  },
  trim: function(t){
    return t.replace(/^\s+|\s+$/g, "");
  },
  parents: function( elem ){
    var matched = [];
    var cur = elem.parentNode;
    while ( cur && cur != document ) {
      matched.push( cur );
      cur = cur.parentNode;
    }
    return matched;
  },
  sibling: function(elem, pos, not) {
    var elems = [];

    var siblings = elem.parentNode.childNodes;
    for ( var i = 0; i < siblings.length; i++ ) {
      if ( not === true && siblings[i] == elem ) continue;

      if ( siblings[i].nodeType == 1 )
        elems.push( siblings[i] );
      if ( siblings[i] == elem )
        elems.n = elems.length - 1;
    }

    return jQuery.extend( elems, {
      last: elems.n == elems.length - 1,
      cur: pos == "even" && elems.n % 2 == 0 || pos == "odd" && elems.n % 2 || elems[pos] == elem,
      prev: elems[elems.n - 1],
      next: elems[elems.n + 1]
    });
  },
  merge: function(first, second) {
    var result = [];

    // Move b over to the new array (this helps to avoid
    // StaticNodeList instances)
    for ( var k = 0; k < first.length; k++ )
      result[k] = first[k];

    // Now check for duplicates between a and b and only
    // add the unique items
    for ( var i = 0; i < second.length; i++ ) {
      var noCollision = true;

      // The collision-checking process
      for ( var j = 0; j < first.length; j++ )
        if ( second[i] == first[j] )
          noCollision = false;

      // If the item is unique, add it
      if ( noCollision )
        result.push( second[i] );
    }

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

    var result = [];

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

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

    return result;
  },

  /*
   * A number of helper functions used for managing events.
   * Many of the ideas behind this code orignated from Dean Edwards' addEvent library.
   */
  event: {

    // Bind an event to an element
    // Original by Dean Edwards
    add: function(element, type, handler) {
      // 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;

      // 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 && 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) {
      // Touch up the incoming data
      data = data || [];

      // Handle a global trigger
      if ( !element ) {
        var g = this.global[type];
        if ( g )
          for ( var i = 0; i < g.length; i++ )
            this.trigger( type, data, g[i] );

      // Handle triggering a single element
      } else if ( element["on" + type] ) {
        // Pass along a fake event
        data.unshift( this.fix({ type: type, target: element }) );

        // Trigger the event
        element["on" + type].apply( element, data );
      }
    },

    handle: function(event) {
      if ( typeof jQuery == "undefined" ) return;

      event = event || jQuery.event.fix( window.event );

      // If no correct event was found, fail
      if ( !event ) return;

      var returnValue = true;

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

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

      return returnValue;
    },

    fix: function(event) {
      if ( event ) {
        event.preventDefault = function() {
          this.returnValue = false;
        };

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

      return event;
    }

  }
});

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.macros = {
  to: {
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after"
  },

  css: "width,height,top,left,position,float,overflow,color,background".split(","),

  filter: [ "eq", "lt", "gt", "contains" ],

  attr: {

    val: "value",

    html: "innerHTML",

    id: null,

    title: null,

    name: null,

    href: null,

    src: null,

    rel: null
  },

  axis: {

    parent: "a.parentNode",

    ancestors: jQuery.parents,

    parents: jQuery.parents,

    next: "jQuery.sibling(a).next",

    prev: "jQuery.sibling(a).prev",

    siblings: jQuery.sibling,

    children: "jQuery.sibling(a.firstChild)"
  },

  each: {
    removeAttr: function( key ) {
      this.removeAttribute( key );
    },
    show: function(){
      this.style.display = this.oldblock ? this.oldblock : "";
      if ( jQuery.css(this,"display") == "none" )
        this.style.display = "block";
    },
    hide: function(){
      this.oldblock = this.oldblock || jQuery.css(this,"display");
      if ( this.oldblock == "none" )
        this.oldblock = "block";
      this.style.display = "none";
    },
    toggle: function(){
      jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ].apply( jQuery(this), arguments );
    },
    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 )
        this.parentNode.removeChild( this );
    },
    empty: function(){
      while ( this.firstChild )
        this.removeChild( this.firstChild );
    },
    bind: function( type, fn ) {
      if ( fn.constructor == String )
        fn = new Function("e", ( !fn.indexOf(".") ? "jQuery(this)" : "return " ) + fn);
      jQuery.event.add( this, type, fn );
    },

    unbind: function( type, fn ) {
      jQuery.event.remove( this, type, fn );
    },
    trigger: function( type, data ) {
      jQuery.event.trigger( type, data, this );
    }
  }
};

jQuery.init();
jQuery.fn.extend({

  // We're overriding the old toggle function, so
  // remember it for later
  _toggle: jQuery.fn.toggle,
  toggle: function(a,b) {
    // If two functions are passed in, we're
    // toggling on a click
    return a && b && a.constructor == Function && b.constructor == Function ? this.click(function(e){
      // Figure out which function to execute
      this.last = this.last == a ? b : a;
      
      // Make sure that clicks stop
      e.preventDefault();
      
      // and execute the function
      return this.last.apply( this, [e] ) || false;
    }) :
    
    // Otherwise, execute the old toggle function
    this._toggle.apply( this, arguments );
  },
  hover: function(f,g) {
    
    // A private function for haandling 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 ) p = p.parentNode;
      
      // 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 );
      
    // Otherwise, remember the function for later
    else {
      // Add the function to the wait list
      jQuery.readyList.push( f );
    }
  
    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
        for ( var i = 0; i < jQuery.readyList.length; i++ )
          jQuery.readyList[i].apply( document );
        
        // Reset the list of functions
        jQuery.readyList = null;
      }
    }
  }
});

new function(){

  var e = ("blur,focus,load,resize,scroll,unload,click,dblclick," +
    "mousedown,mouseup,mousemove,mouseover,mouseout,change,reset,select," + 
    "submit,keydown,keypress,keyup,error").split(",");

  // Go through all the event names, but make sure that
  // it is enclosed properly
  for ( var i = 0; i < e.length; i++ ) new function(){
      
    var o = e[i];
    
    // Handle event binding
    jQuery.fn[o] = function(f){
      return f ? this.bind(o, f) : this.trigger(o);
    };
    
    // Handle event unbinding
    jQuery.fn["un"+o] = function(f){ return this.unbind(o, f); };
    
    // Finally, handle events that only fire once
    jQuery.fn["one"+o] = function(f){
      // Attach the event listener
      return this.each(function(){

        var count = 0;

        // Add the event
        jQuery.event.add( this, o, function(e){
          // If this function has already been executed, stop
          if ( count++ ) return;
        
          // And execute the bound function
          return f.apply(this, [e]);
        });
      });
    };
      
  };
  
  // 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.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 );
  
};
jQuery.fn.extend({

  // overwrite the old show method
  _show: jQuery.fn.show,

  show: function(speed,callback){
    return speed ? this.animate({
      height: "show", width: "show", opacity: "show"
    }, speed, callback) : this._show();
  },
  
  // Overwrite the old hide method
  _hide: jQuery.fn.hide,

  hide: function(speed,callback){
    return speed ? this.animate({
      height: "hide", width: "hide", opacity: "hide"
    }, speed, callback) : this._hide();
  },

  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 = $(this).is(":hidden") ? "show" : "hide";
      $(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,callback) {
    return this.queue(function(){
    
      this.curAnim = prop;
      
      for ( var p in prop ) {
        var e = new jQuery.fx( this, jQuery.speed(speed,callback), 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({

  setAuto: function(e,p) {
    if ( e.notAuto ) return;

    if ( p == "height" && e.scrollHeight != parseInt(jQuery.curCSS(e,p)) ) return;
    if ( p == "width" && e.scrollWidth != parseInt(jQuery.curCSS(e,p)) ) return;

    // Remember the original height
    var a = e.style[p];

    // Figure out the size of the height right now
    var o = jQuery.curCSS(e,p,1);

    if ( p == "height" && e.scrollHeight != o ||
      p == "width" && e.scrollWidth != o ) return;

    // Set the height to auto
    e.style[p] = e.currentStyle ? "" : "auto";

    // See what the size of "auto" is
    var n = jQuery.curCSS(e,p,1);

    // Revert back to the original size
    if ( o != n && n != "auto" ) {
      e.style[p] = a;
      e.notAuto = true;
    }
  },
  
  speed: function(s,o) {
    o = o || {};
    
    if ( o.constructor == Function )
      o = { complete: o };
    
    var ss = { slow: 600, fast: 200 };
    o.duration = (s && s.constructor == Number ? s : ss[s]) || 400;
  
    // Queueing
    o.oldComplete = o.complete;
    o.complete = function(){
      jQuery.dequeue(this, "fx");
      if ( o.oldComplete && o.oldComplete.constructor == Function )
        o.oldComplete.apply( this );
    };
  
    return o;
  },
  
  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 users options
    z.o = {
      duration: options.duration || 400,
      complete: options.complete,
      step: options.step
    };
  
    // The element
    z.el = elem;
  
    // The styles
    var y = z.el.style;
  
    // Simple function for setting a style value
    z.a = function(){
      if ( options.step )
        options.step.apply( elem, [ z.now ] );

      if ( prop == "opacity" ) {
        if (jQuery.browser.mozilla && z.now == 1) z.now = 0.9999;
        if (window.ActiveXObject)
          y.filter = "alpha(opacity=" + z.now*100 + ")";
        else
          y.opacity = z.now;

      // My hate for IE will never die
      } else if ( parseInt(z.now) )
        y[prop] = parseInt(z.now) + "px";
        
      y.display = "block";
    };
  
    // Figure out the maximum number to run to
    z.max = function(){
      return parseFloat( jQuery.css(z.el,prop) );
    };
  
    // Get the current size
    z.cur = function(){
      var r = parseFloat( jQuery.curCSS(z.el, 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( p ){
      if ( !z.el.orig ) z.el.orig = {};

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

      z.custom( 0, z.el.orig[prop] );

      // Stupid IE, look what you made me do
      if ( prop != "opacity" )
        y[prop] = "1px";
    };
  
    // Simple 'hide' function
    z.hide = function(){
      if ( !z.el.orig ) z.el.orig = {};

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

      z.o.hide = true;

      // Begin the animation
      z.custom(z.el.orig[prop], 0);
    };
  
    // IE has trouble with opacity if it does not have layout
    if ( jQuery.browser.msie && !z.el.currentStyle.hasLayout )
      y.zoom = "1";
  
    // Remember  the overflow of the element
    if ( !z.el.oldOverlay )
      z.el.oldOverflow = jQuery.css( z.el, "overflow" );
  
    // Make sure that nothing sneaks out
    y.overflow = "hidden";
  
    // Each step of an animation
    z.step = function(firstNum, lastNum){
      var t = (new Date()).getTime();
  
      if (t > z.o.duration + z.startTime) {
        // Stop the timer
        clearInterval(z.timer);
        z.timer = null;

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

        z.el.curAnim[ prop ] = true;
        
        var done = true;
        for ( var i in z.el.curAnim )
          if ( z.el.curAnim[i] !== true )
            done = false;
            
        if ( done ) {
          // Reset the overflow
          y.overflow = z.el.oldOverflow;
        
          // Hide the element if the "hide" operation was done
          if ( z.o.hide ) 
            y.display = 'none';
          
          // Reset the property, if the item has been hidden
          if ( z.o.hide ) {
            for ( var p in z.el.curAnim ) {
              y[ p ] = z.el.orig[p] + ( p == "opacity" ? "" : "px" );
  
              // set its height and/or width to auto
              if ( p == 'height' || p == 'width' )
                jQuery.setAuto( z.el, p );
            }
          }
        }

        // If a callback was provided, execute it
        if( done && z.o.complete && z.o.complete.constructor == Function )
          // Execute the complete function
          z.o.complete.apply( z.el );
      } else {
        // Figure out where in the animation we are and set the number
        var p = (t - this.startTime) / z.o.duration;
        z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;
  
        // Perform the next step of the animation
        z.a();
      }
    };
  
  }

});
// AJAX Plugin
// Docs Here:
// http://jquery.com/docs/ajax/
jQuery.fn.loadIfModified = function( url, params, callback ) {
  this.load( url, params, callback, 1 );
};
jQuery.fn.load = function( url, params, callback, ifModified ) {
  if ( url.constructor == Function )
    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 ( params.constructor == Function ) {
      // 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( type, url, params,function(res, status){
    
    if ( status == "success" || !ifModified && status == "notmodified" ) {
      // Inject the HTML into all the matched elements
      self.html(res.responseText).each( callback, [res.responseText, status] );
      
      // Execute all the scripts inside of the newly-injected HTML
      $("script", self).each(function(){
        if ( this.src )
          $.getScript( this.src );
        else
          eval.call( window, this.text || this.textContent || this.innerHTML || "" );
      });
    } else
      callback.apply( self, [res.responseText, status] );

  }, ifModified);
  
  return this;
};
jQuery.fn.serialize = function(){
  return $.param( this );
};

// If IE is used, create a wrapper for the XMLHttpRequest object
if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
  XMLHttpRequest = function(){
    return new ActiveXObject(
      navigator.userAgent.indexOf("MSIE 5") >= 0 ?
      "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP"
    );
  };

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

new function(){
  var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(",");
  
  for ( var i = 0; i < e.length; i++ ) new function(){
    var o = e[i];
    jQuery.fn[o] = function(f){
      return this.bind(o, f);
    };
  };
};

jQuery.extend({
  get: function( url, data, callback, type, ifModified ) {
    if ( data.constructor == Function ) {
      type = callback;
      callback = data;
      data = null;
    }
    
    if ( data ) url += "?" + jQuery.param(data);
    
    // Build and start the HTTP Request
    jQuery.ajax( "GET", url, null, function(r, status) {
      if ( callback ) callback( jQuery.httpData(r,type), status );
    }, ifModified);
  },
  getIfModified: function( url, data, callback, type ) {
    jQuery.get(url, data, callback, type, 1);
  },
  getScript: function( url, data, callback ) {
    jQuery.get(url, data, callback, "script");
  },
  getJSON: function( url, data, callback ) {
    jQuery.get(url, data, callback, "json");
  },
  post: function( url, data, callback, type ) {
    // Build and start the HTTP Request
    jQuery.ajax( "POST", url, jQuery.param(data), function(r, status) {
      if ( callback ) callback( jQuery.httpData(r,type), status );
    });
  },
  
  // timeout (ms)
  timeout: 0,
  ajaxTimeout: function(timeout) {
    jQuery.timeout = timeout;
  },

  // Last-Modified header cache for next request
  lastModified: {},
  ajax: function( type, url, data, ret, ifModified ) {
    // If only a single argument was passed in,
    // assume that it is a object of key/value pairs
    if ( !url ) {
      ret = type.complete;
      var success = type.success;
      var error = type.error;
      var dataType = type.dataType;
      data = type.data;
      url = type.url;
      type = type.type;
    }
    
    // Watch for a new set of requests
    if ( ! jQuery.active++ )
      jQuery.event.trigger( "ajaxStart" );

    var requestDone = false;
  
    // Create the request object
    var xml = new XMLHttpRequest();
  
    // Open the socket
    xml.open(type || "GET", url, true);
    
    // Set the correct header, if data is being sent
    if ( data )
      xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    
    // Set the If-Modified-Since header, if ifModified mode.
    if ( ifModified )
      xml.setRequestHeader("If-Modified-Since",
        jQuery.lastModified[url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
    
    // Set header so calling 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");
    
    // 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 = jQuery.httpSuccess( xml ) && istimeout != "timeout" ?
          ifModified && jQuery.httpNotModified( xml, 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) {
              // do something or do nothing?
          }          
          if ( ifModified && modRes ) jQuery.lastModified[url] = modRes;
          
          // If a local callback was specified, fire it
          if ( success )
            success( jQuery.httpData( xml, dataType ), status );
          
          // Fire the global callback
          jQuery.event.trigger( "ajaxSuccess" );
        
        // Otherwise, the request was not successful
        } else {
          // If a local callback was specified, fire it
          if ( error ) error( xml, status );
          
          // Fire the global callback
          jQuery.event.trigger( "ajaxError" );
        }
        
        // The request was completed
        jQuery.event.trigger( "ajaxComplete" );
        
        // Handle the global AJAX counter
        if ( ! --jQuery.active )
          jQuery.event.trigger( "ajaxStop" );
  
        // Process result
        if ( ret ) ret(xml, status);
        
        // Stop memory leaks
        xml.onreadystatechange = function(){};
        xml = null;
        
      }
    };
    xml.onreadystatechange = onreadystatechange;
    
    // Timeout checker
    if(jQuery.timeout > 0)
      setTimeout(function(){
        // Check to see if the request is still happening
        if (xml) {
          // Cancel the request
          xml.abort();

          if ( !requestDone ) onreadystatechange( "timeout" );

          // Clear from memory
          xml = null;
        }
      }, jQuery.timeout);
    
    // Send the data
    xml.send(data);
  },
  
  // 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
    if ( type == "script" ) eval.call( window, data );

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

    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
      for ( var i = 0; i < a.length; i++ )
        s.push( a[i].name + "=" + encodeURIComponent( a[i].value ) );
      
    // Otherwise, assume that it's an object of key/value pairs
    } else {
      // Serialize the key/values
      for ( var j in a )
        s.push( j + "=" + encodeURIComponent( a[j] ) );
    }
    
    // Return the resulting serialization
    return s.join("&");
  }

});
