/*
*  OBS JavaScript File
*  Use with jQuery Library
*/


//Start jQuery Document Ready
$(document).ready(function() {
	
	/********************************************/
	//Cufon Font Replacement
	/********************************************/
	Cufon.replace('.cufon', { fontFamily: 'Helvetica Neue' });
	
	/********************************************/
	//		Mega Menu Dropdown
	/********************************************/
	var SelfLocation = window.location.href.split('?');
        switch (SelfLocation[1]) {
          case "justify_right":
            jQuery(".megamenu").megamenu({ 'justify':'right' });
            break;
          case "justify_left":
          default:
            jQuery(".megamenu").megamenu();
        }
	
	/**********************************/
	//		Equal Heights Calls
	/**********************************/
	equalHeight($(".equal"));
	equalHeight($(".equalBox"));
	
	
	/*********************************/
	//      Gating form stuff-o-rama
	/*********************************/
	
	if (!($.cookie("register") == 'true'))
	{	
	    $('a.register').each(function(e) {
	        this.href = '/about-us/registration.aspx?' + this.pathname.split("").reverse().join("");; // href.  .substring(this.href.indexOf('/'));	        
	    });
	}	
		

	/********************************************/
	//Home Page Banner Slider
	/********************************************/
	$('#homeBanner').nivoSlider({
		effect:'fade', //Specify sets like: 'fold,fade,sliceDown'
		//slices:15,
		animSpeed:500, //Slide transition speed
		pauseTime:6000,
		startSlide:0, //Set starting Slide (0 index)
		directionNav:true, //Next & Prev
		directionNavHide:true, //Only show on hover
		controlNav:true, //1,2,3...
		controlNavThumbs:false, //Use thumbnails for Control Nav
		controlNavThumbsFromRel:false, //Use image rel for thumbs
		controlNavThumbsSearch: '.jpg', //Replace this with...
		controlNavThumbsReplace: '_thumb.jpg', //...this in thumb Image src
		keyboardNav:false, //Use left & right arrows
		pauseOnHover:true, //Stop animation while hovering
		manualAdvance:false, //Force manual transitions
		captionOpacity:0.8, //Universal caption opacity
		beforeChange: function(){},
		afterChange: function(){},
		slideshowEnd: function(){} //Triggers after all slides have been shown
	});
	
});
//End jQuery Document Ready



/***********************************************/
//Equal Heights JavaScript
/***********************************************/
function equalHeight(group) {
    tallest = 0;
    group.each(function() {
        thisHeight = $(this).height();
        if(thisHeight > tallest) {
            tallest = thisHeight;
        }
    });
    group.height(tallest);
}

/***********************************************/
//Mega Menu Dropdown
/***********************************************/
/*
  jQuery MegaMenu Plugin
  Author: GeekTantra
  Author URI: http://www.geektantra.com
*/
var isIE6 = navigator.userAgent.toLowerCase().indexOf('msie 6') != -1;

jQuery.fn.megamenu = function(options) {
  options = jQuery.extend({
	  activate_action: "mouseover",
	  deactivate_action: "mouseleave",
	  show_method: "slideDown",
	  hide_method: "slideUp",
	  justify: "left",
	  enable_js_shadow: false,
	  shadow_size: 3,
	  mm_timeout: 250
  }, options);
  var $megamenu_object = this;
  if( options.activate_action == "click" ) options.mm_timeout = 0;
  $megamenu_object.children("li").each(function(){
    jQuery(this).addClass("mm-item");
    jQuery(".mm-item").css({ 'float': options.justify });
    
    jQuery(this).find("div:first").addClass("mm-item-content");
    jQuery(this).find("a:first").addClass("mm-item-link");
    var $mm_item_content = jQuery(this).find(".mm-item-content");
    var $mm_item_link = jQuery(this).find(".mm-item-link");
    $mm_item_content.hide();
    
    jQuery(document).bind("click", function(){
      jQuery(".mm-item-content").hide();
      jQuery(".mm-item-link").removeClass("mm-item-link-hover");
    });
    jQuery(this).bind("click", function(e){
      e.stopPropagation();
    });
    $mm_item_content.wrapInner('<div class="mm-content-base"></div>');
    if(options.enable_js_shadow == true) {
      $mm_item_content.append('<div class="mm-js-shadow">&nbsp;</div>');
    }
    var $mm_timer = 0;
    // Activation Method Starts
    jQuery(this).bind(options.activate_action, function(e){
      e.stopPropagation();
      var mm_item_link_obj = jQuery(this).find("a.mm-item-link");
      var mm_item_content_obj = jQuery(this).find("div.mm-item-content");
      clearTimeout($mm_timer);
      $mm_timer = setTimeout(function(){ //Emulate HoverIntent
        mm_item_link_obj.addClass("mm-item-link-hover");
        mm_item_content_obj.css({
          'top': ($mm_item_link.offset().top + $mm_item_link.outerHeight()) - 1 +"px",
          'left': ($mm_item_link.offset().left) - 0 + 'px'
        })
        
        if(options.justify == "left"){
          var mm_object_right_end = $megamenu_object.offset().left + $megamenu_object.outerWidth();
                                    // Coordinates of the right end of the megamenu object
          var mm_content_right_end = $mm_item_link.offset().left + $mm_item_content.outerWidth() - 2 ;
                                    // Coordinates of the right end of the megamenu content
          if( mm_content_right_end >= mm_object_right_end ) { // Menu content exceeding the outer box
            mm_item_content_obj.css({
              'left': ($mm_item_link.offset().left - (mm_content_right_end - mm_object_right_end)) - 2 + 'px'
            }); // Limit megamenu inside the outer box
          }
        } else if( options.justify == "right" ) {
          var mm_object_left_end = $megamenu_object.offset().left;
                                    // Coordinates of the left end of the megamenu object
          var mm_content_left_end = $mm_item_link.offset().left - mm_item_content_obj.outerWidth() + 
                                    $mm_item_link.outerWidth() + 5;
                                    // Coordinates of the left end of the megamenu content
          if( mm_content_left_end <= mm_object_left_end ) { // Menu content exceeding the outer box
            mm_item_content_obj.css({
              'left': mm_object_left_end + 2 + 'px'
            }); // Limit megamenu inside the outer box
          } else {
            mm_item_content_obj.css({
              'left': mm_content_left_end + 'px'
            }); // Limit megamenu inside the outer box
          }
        }
        if(options.enable_js_shadow == true) {
          mm_item_content_obj.find(".mm-js-shadow").height( mm_item_content_obj.height() );
          mm_item_content_obj.find(".mm-js-shadow").width( mm_item_content_obj.width() );
          mm_item_content_obj.find(".mm-js-shadow").css({
            'top': (options.shadow_size) + (isIE6 ? 2 : 0) + "px",
            'left': (options.shadow_size) + (isIE6 ? 2 : 0) + "px"
            //'opacity': 0.2
          });
        }
        switch(options.show_method) {
          case "simple":
                mm_item_content_obj.show();
                break;
          case "slideDown":
                mm_item_content_obj.height("auto");
                mm_item_content_obj.slideDown('fast');
                break;
          case "fadeIn":
                mm_item_content_obj.fadeTo('fast', 1);
                break;
          default:
                mm_item_content_obj.each( options.show_method );
                break;
        }
      }, options.mm_timeout);
    });
    // Activation Method Ends
    // Deactivation Method Starts
    jQuery(this).bind(options.deactivate_action, function(e){
      e.stopPropagation();
      clearTimeout($mm_timer);
      var mm_item_link_obj = jQuery(this).find("a.mm-item-link");
      var mm_item_content_obj = jQuery(this).find("div.mm-item-content");
      mm_item_content_obj.stop();
      switch(options.hide_method) {
        case "simple":
              mm_item_content_obj.hide();
              mm_item_link_obj.removeClass("mm-item-link-hover");
              break;
        case "slideUp":
              mm_item_content_obj.slideUp( 'fast',  function() {
                mm_item_link_obj.removeClass("mm-item-link-hover");
              });
              break;
        case "fadeOut":
              mm_item_content_obj.fadeOut( 'fast', function() {
                mm_item_link_obj.removeClass("mm-item-link-hover");
              });
              break;
        default:
              mm_item_content_obj.each( options.hide_method );
              mm_item_link_obj.removeClass("mm-item-link-hover");
              break;
      }
    });
//    Deactivation Method Ends
  });
  this.find("li:last").after('<li class="clear-fix"></li>');
  this.show();
};

/***********************************************/
//Tab Selections
/***********************************************/
$(function() {
	// :first selector is optional if you have only one tabs on the page
	$("ul.css-tabs").tabs("div.css-panes > div"); //MainContent Tab
});

/***********************************************/
//Tooltip
/***********************************************/
/**
Vertigo Tip by www.vertigo-project.com
Requires jQuery
*/

this.vtip = function() {    
    this.xOffset = 40; // x distance from mouse
    this.yOffset = -15; // y distance from mouse       
    
    $(".vtip").unbind().hover(    
        function(e) {
            this.t = this.title;
            this.title = ''; 
            this.top = (e.pageY + yOffset); this.left = (e.pageX + xOffset);
            
            $('body').append( '<p id="vtip"><img id="vtipArrow" />' + this.t + '</p>' );
                        
            $('p#vtip #vtipArrow').attr("src", 'images/vtip_arrow.png');
            $('p#vtip').css("top", this.top+"px").css("left", this.left+"px").fadeIn("slow");
            
        },
        function() {
            this.title = this.t;
            $("p#vtip").fadeOut("slow").remove();
        }
    ).mousemove(
        function(e) {
            this.top = (e.pageY + yOffset);
            this.left = (e.pageX + xOffset);
                         
            $("p#vtip").css("top", this.top+"px").css("left", this.left+"px");
        }
    );            
    
};

jQuery(document).ready(function($){vtip();}) 

/***********************************************/
//Accordion (Multiple Sliders)
/***********************************************/
var ddaccordion={
	
	contentclassname:{}, //object to store corresponding contentclass name based on headerclass

	expandone:function(headerclass, selected){ //PUBLIC function to expand a particular header
		this.toggleone(headerclass, selected, "expand")
	},

	collapseone:function(headerclass, selected){ //PUBLIC function to collapse a particular header
		this.toggleone(headerclass, selected, "collapse")
	},

	expandall:function(headerclass){ //PUBLIC function to expand all headers based on their shared CSS classname
		var $=jQuery
		var $headers=$('.'+headerclass)
		$('.'+this.contentclassname[headerclass]+':hidden').each(function(){
			$headers.eq(parseInt($(this).attr('contentindex'))).trigger("evt_accordion")
		})
	},

	collapseall:function(headerclass){ //PUBLIC function to collapse all headers based on their shared CSS classname
		var $=jQuery
		var $headers=$('.'+headerclass)
		$('.'+this.contentclassname[headerclass]+':visible').each(function(){
			$headers.eq(parseInt($(this).attr('contentindex'))).trigger("evt_accordion")
		})
	},

	toggleone:function(headerclass, selected, optstate){ //PUBLIC function to expand/ collapse a particular header
		var $=jQuery
		var $targetHeader=$('.'+headerclass).eq(selected)
		var $subcontent=$('.'+this.contentclassname[headerclass]).eq(selected)
		if (typeof optstate=="undefined" || optstate=="expand" && $subcontent.is(":hidden") || optstate=="collapse" && $subcontent.is(":visible"))
			$targetHeader.trigger("evt_accordion")
	},

	expandit:function($targetHeader, $targetContent, config, useractivated, directclick){
		this.transformHeader($targetHeader, config, "expand")
		$targetContent.slideDown(config.animatespeed, function(){
			config.onopenclose($targetHeader.get(0), parseInt($targetHeader.attr('headerindex')), $targetContent.css('display'), useractivated)
			if (config.postreveal=="gotourl" && directclick){ //if revealtype is "Go to Header URL upon click", and this is a direct click on the header
				var targetLink=($targetHeader.is("a"))? $targetHeader.get(0) : $targetHeader.find('a:eq(0)').get(0)
				if (targetLink) //if this header is a link
					setTimeout(function(){location=targetLink.href}, 200) //ignore link target, as window.open(targetLink, targetLink.target) doesn't work in FF if popup blocker enabled
			}
		})
	},

	collapseit:function($targetHeader, $targetContent, config, isuseractivated){
		this.transformHeader($targetHeader, config, "collapse")
		$targetContent.slideUp(config.animatespeed, function(){config.onopenclose($targetHeader.get(0), parseInt($targetHeader.attr('headerindex')), $targetContent.css('display'), isuseractivated)})
	},

	transformHeader:function($targetHeader, config, state){
		$targetHeader.addClass((state=="expand")? config.cssclass.expand : config.cssclass.collapse) //alternate btw "expand" and "collapse" CSS classes
		.removeClass((state=="expand")? config.cssclass.collapse : config.cssclass.expand)
		if (config.htmlsetting.location=='src'){ //Change header image (assuming header is an image)?
			$targetHeader=($targetHeader.is("img"))? $targetHeader : $targetHeader.find('img').eq(0) //Set target to either header itself, or first image within header
			$targetHeader.attr('src', (state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse) //change header image
		}
		else if (config.htmlsetting.location=="prefix") //if change "prefix" HTML, locate dynamically added ".accordprefix" span tag and change it
			$targetHeader.find('.accordprefix').html((state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse)
		else if (config.htmlsetting.location=="suffix")
			$targetHeader.find('.accordsuffix').html((state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse)
	},

	urlparamselect:function(headerclass){
		var result=window.location.search.match(new RegExp(headerclass+"=((\\d+)(,(\\d+))*)", "i")) //check for "?headerclass=2,3,4" in URL
		if (result!=null)
			result=RegExp.$1.split(',')
		return result //returns null, [index], or [index1,index2,etc], where index are the desired selected header indices
	},

	getCookie:function(Name){ 
		var re=new RegExp(Name+"=[^;]+", "i") //construct RE to search for target name/value pair
		if (document.cookie.match(re)) //if cookie found
			return document.cookie.match(re)[0].split("=")[1] //return its value
		return null
	},

	setCookie:function(name, value){
		document.cookie = name + "=" + value + "; path=/"
	},

	init:function(config){
	document.write('<style type="text/css">\n')
	document.write('.'+config.contentclass+'{display: none}\n') //generate CSS to hide contents
	document.write('<\/style>')
	jQuery(document).ready(function($){
		ddaccordion.urlparamselect(config.headerclass)
		var persistedheaders=ddaccordion.getCookie(config.headerclass)
		ddaccordion.contentclassname[config.headerclass]=config.contentclass //remember contentclass name based on headerclass
		config.cssclass={collapse: config.toggleclass[0], expand: config.toggleclass[1]} //store expand and contract CSS classes as object properties
		config.revealtype=config.revealtype || "click"
		config.revealtype=config.revealtype.replace(/mouseover/i, "mouseenter")
		if (config.revealtype=="clickgo"){
			config.postreveal="gotourl" //remember added action
			config.revealtype="click" //overwrite revealtype to "click" keyword
		}
		if (typeof config.togglehtml=="undefined")
			config.htmlsetting={location: "none"}
		else
			config.htmlsetting={location: config.togglehtml[0], collapse: config.togglehtml[1], expand: config.togglehtml[2]} //store HTML settings as object properties
		config.oninit=(typeof config.oninit=="undefined")? function(){} : config.oninit //attach custom "oninit" event handler
		config.onopenclose=(typeof config.onopenclose=="undefined")? function(){} : config.onopenclose //attach custom "onopenclose" event handler
		var lastexpanded={} //object to hold reference to last expanded header and content (jquery objects)
		var expandedindices=ddaccordion.urlparamselect(config.headerclass) || ((config.persiststate && persistedheaders!=null)? persistedheaders : config.defaultexpanded)
		if (typeof expandedindices=='string') //test for string value (exception is config.defaultexpanded, which is an array)
			expandedindices=expandedindices.replace(/c/ig, '').split(',') //transform string value to an array (ie: "c1,c2,c3" becomes [1,2,3]
		var $subcontents=$('.'+config["contentclass"])
		if (expandedindices.length==1 && expandedindices[0]=="-1") //check for expandedindices value of [-1], indicating persistence is on and no content expanded
			expandedindices=[]
		if (config["collapseprev"] && expandedindices.length>1) //only allow one content open?
			expandedindices=[expandedindices.pop()] //return last array element as an array (for sake of jQuery.inArray())
		if (config["onemustopen"] && expandedindices.length==0) //if at least one content should be open at all times and none are, open 1st header
			expandedindices=[0]
		$('.'+config["headerclass"]).each(function(index){ //loop through all headers
			if (/(prefix)|(suffix)/i.test(config.htmlsetting.location) && $(this).html()!=""){ //add a SPAN element to header depending on user setting and if header is a container tag
				$('<span class="accordprefix"></span>').prependTo(this)
				$('<span class="accordsuffix"></span>').appendTo(this)
			}
			$(this).attr('headerindex', index+'h') //store position of this header relative to its peers
			$subcontents.eq(index).attr('contentindex', index+'c') //store position of this content relative to its peers
			var $subcontent=$subcontents.eq(index)
			var needle=(typeof expandedindices[0]=="number")? index : index+'' //check for data type within expandedindices array- index should match that type
			if (jQuery.inArray(needle, expandedindices)!=-1){ //check for headers that should be expanded automatically (convert index to string first)
				if (config.animatedefault==false)
					$subcontent.show()
				ddaccordion.expandit($(this), $subcontent, config, false) //Last param sets 'isuseractivated' parameter
				lastexpanded={$header:$(this), $content:$subcontent}
			}  //end check
			else{
				$subcontent.hide()
				config.onopenclose($(this).get(0), parseInt($(this).attr('headerindex')), $subcontent.css('display'), false) //Last Boolean value sets 'isuseractivated' parameter
				ddaccordion.transformHeader($(this), config, "collapse")
			}
		})
		$('.'+config["headerclass"]).bind("evt_accordion", function(e, isdirectclick){ //assign custom event handler that expands/ contacts a header
				var $subcontent=$subcontents.eq(parseInt($(this).attr('headerindex'))) //get subcontent that should be expanded/collapsed
				if ($subcontent.css('display')=="none"){
					ddaccordion.expandit($(this), $subcontent, config, true, isdirectclick) //2nd last param sets 'isuseractivated' parameter
					if (config["collapseprev"] && lastexpanded.$header && $(this).get(0)!=lastexpanded.$header.get(0)){ //collapse previous content?
						ddaccordion.collapseit(lastexpanded.$header, lastexpanded.$content, config, true) //Last Boolean value sets 'isuseractivated' parameter
					}
					lastexpanded={$header:$(this), $content:$subcontent}
				}
				else if (!config["onemustopen"] || config["onemustopen"] && lastexpanded.$header && $(this).get(0)!=lastexpanded.$header.get(0)){
					ddaccordion.collapseit($(this), $subcontent, config, true) //Last Boolean value sets 'isuseractivated' parameter
				}
 		})
		$('.'+config["headerclass"]).bind(config.revealtype, function(){
			if (config.revealtype=="mouseenter"){
				clearTimeout(config.revealdelay)
				var headerindex=parseInt($(this).attr("headerindex"))
				config.revealdelay=setTimeout(function(){ddaccordion.expandone(config["headerclass"], headerindex)}, config.mouseoverdelay || 0)
			}
			else{
				$(this).trigger("evt_accordion", [true])
				return false //cancel default click behavior
			}
		})
		$('.'+config["headerclass"]).bind("mouseleave", function(){
			clearTimeout(config.revealdelay)
		})
		config.oninit($('.'+config["headerclass"]).get(), expandedindices)
		$(window).bind('unload', function(){ //clean up and persist on page unload
			$('.'+config["headerclass"]).unbind()
			var expandedindices=[]
			$('.'+config["contentclass"]+":visible").each(function(index){ //get indices of expanded headers
				expandedindices.push($(this).attr('contentindex'))
			})
			if (config.persiststate==true && $('.'+config["headerclass"]).length>0){ //persist state?
				expandedindices=(expandedindices.length==0)? '-1c' : expandedindices //No contents expanded, indicate that with dummy '-1c' value?
				ddaccordion.setCookie(config.headerclass, expandedindices)
			}
		})
	})
	}
}

/***********************************************/
// Accordion (Expand/Collapse)
/***********************************************/

ddaccordion.init({
	headerclass: "trigger", //Shared CSS class name of headers group
	contentclass: "triggerContent", //Shared CSS class name of contents group
	revealtype: "click", //Reveal content when user clicks or onmouseover the header? Valid value: "click", "clickgo", or "mouseover"
	mouseoverdelay: 200, //if revealtype="mouseover", set delay in milliseconds before header expands onMouseover
	collapseprev: false, //Collapse previous content (so only one open at any time)? true/false 
	defaultexpanded: [0, 2], //index of content(s) open by default [index1, index2, etc]. [] denotes no content.
	onemustopen: false, //Specify whether at least one header should be open always (so never all headers closed)
	animatedefault: false, //Should contents open by default be animated into view?
	persiststate: false, //persist state of opened contents within browser session?
	toggleclass: ["closedlanguage", "openlanguage"], //Two CSS classes to be applied to the header when it's collapsed and expanded, respectively ["class1", "class2"]
	//togglehtml: ["prefix", "<img src='http://i13.tinypic.com/80mxwlz.gif' style='width:13px; height:13px' /> ", "<img src='http://i18.tinypic.com/6tpc4td.gif' style='width:13px; height:13px' /> "], //Additional HTML added to the header when it's collapsed and expanded, respectively  ["position", "html1", "html2"] (see docs)
	animatespeed: "fast", //speed of animation: integer in milliseconds (ie: 200), or keywords "fast", "normal", or "slow"
	oninit:function(expandedindices){ //custom code to run when headers have initalized
		//do nothing
	},
	onopenclose:function(header, index, state, isuseractivated){ //custom code to run whenever a header is opened or closed
		//do nothing
	}
});

/***********************************************/

/**
* hoverIntent r5 // 2007.03.27 // jQuery 1.1.2+
* <http://cherne.net/brian/resources/jquery.hoverIntent.html>
* 
* @param  f  onMouseOver function || An object with configuration options
* @param  g  onMouseOut function  || Nothing (use configuration options object)
* @author    Brian Cherne <brian@cherne.net>
*/
(function($){$.fn.hoverIntent=function(f,g){var cfg={sensitivity:7,interval:100,timeout:0};cfg=$.extend(cfg,g?{over:f,out:g}:f);var cX,cY,pX,pY;var track=function(ev){cX=ev.pageX;cY=ev.pageY;};var compare=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);if((Math.abs(pX-cX)+Math.abs(pY-cY))<cfg.sensitivity){$(ob).unbind("mousemove",track);ob.hoverIntent_s=1;return cfg.over.apply(ob,[ev]);}else{pX=cX;pY=cY;ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}};var delay=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);ob.hoverIntent_s=0;return cfg.out.apply(ob,[ev]);};var handleHover=function(e){var p=(e.type=="mouseover"?e.fromElement:e.toElement)||e.relatedTarget;while(p&&p!=this){try{p=p.parentNode;}catch(e){p=this;}}if(p==this){return false;}var ev=jQuery.extend({},e);var ob=this;if(ob.hoverIntent_t){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);}if(e.type=="mouseover"){pX=ev.pageX;pY=ev.pageY;$(ob).bind("mousemove",track);if(ob.hoverIntent_s!=1){ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}}else{$(ob).unbind("mousemove",track);if(ob.hoverIntent_s==1){ob.hoverIntent_t=setTimeout(function(){delay(ev,ob);},cfg.timeout);}}};return this.mouseover(handleHover).mouseout(handleHover);};})(jQuery);


/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};