/* Horizontal Accordion script
* Created: Oct 27th, 2009. This notice must stay intact for usage 
* Author: Dynamic Drive at http://www.dynamicdrive.com/
* Visit http://www.dynamicdrive.com/ for full source code
*/


var haccordion={
	//customize loading message if accordion markup is fetched via Ajax:
	ajaxloadingmsg: '<div style="margin: 1em; font-weight: bold"><img src="ajaxloadr.gif" style="vertical-align: middle" /></div>',

	accordioninfo: {}, //class that holds config information of each haccordion instance

	expandli:function(accordionid, targetli){
		var config=haccordion.accordioninfo[accordionid]
		var $targetli=(typeof targetli=="number")? config.$targetlis.eq(targetli) : (typeof targetli=="string")? jQuery('#'+targetli) : jQuery(targetli)
		if (typeof config.$lastexpanded!="undefined") //targetli may be an index, ID string, or DOM reference to LI
			config.$lastexpanded.stop().animate({width:config.paneldimensions.peekw}, config.speed) //contract last opened content
		$targetli.stop().animate({width:$targetli.data('hpaneloffsetw')}, config.speed) //expand current content
		config.$lastexpanded=$targetli
	},


	urlparamselect:function(accordionid){
		var result=window.location.search.match(new RegExp(accordionid+"=(\\d+)", "i")) //check for "?accordionid=index" in URL
		if (result!=null)
			result=parseInt(RegExp.$1)+"" //return value as string so 0 doesn't test for false
		return result //returns null or index, where index is the desired selected hcontent index
	},

	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=/"
	},


	loadexternal:function($, config){ //function to fetch external page containing the entire accordion content markup
		var $hcontainer=$('#'+config.ajaxsource.container).html(this.ajaxloadingmsg)
		$.ajax({
			url: config.ajaxsource.path, //path to external content
			async: true,
			error:function(ajaxrequest){
				$hcontainer.html('Error fetching content.<br />Server Response: '+ajaxrequest.responseText)
			},
			success:function(content){
				$hcontainer.html(content)
				haccordion.init($, config)
			}
		})
	},


	init:function($, config){
			haccordion.accordioninfo[config.accordionid]=config //cache config info for this accordion
			var $targetlis=$('#'+config.accordionid).find('ul:eq(0) > li') //find top level LIs
			config.$targetlis=$targetlis
			config.selectedli=config.selectedli || [] //set default selectedli option
			config.speed=config.speed || "normal" //set default speed
			$targetlis.each(function(i){
				var $target=$(this).data('pos', i) //give each li an index #
				$target.data('hpaneloffsetw', $target.find('.hpanel:eq(0)').outerWidth()) //get offset width of each .hpanel DIV (config.dimensions.fullw + any DIV padding)
				$target.mouseenter(function(){
						haccordion.expandli(config.accordionid, this)
					config.$lastexpanded=$(this)
				})
				if (config.collapsecurrent){ //if previous content should be contracted when expanding current
					$target.mouseleave(function(){
						$(this).stop().animate({width:config.paneldimensions.peekw}, config.speed) //contract previous content
					})
				}				
			}) //end $targetlis.each
			var selectedli=haccordion.urlparamselect(config.accordionid) || ((config.selectedli[1] && haccordion.getCookie(config.accordionid))? parseInt(haccordion.getCookie(config.accordionid)) : config.selectedli[0])
			selectedli=parseInt(selectedli)
			if (selectedli>=0 && selectedli<config.$targetlis.length){ //if selectedli index is within range
				config.$lastexpanded=$targetlis.eq(selectedli)
				config.$lastexpanded.css('width', config.$lastexpanded.data('hpaneloffsetw')) //expand selected li
			}
			$(window).bind('unload', function(){ //clean up and persist on page unload
				haccordion.uninit($, config)
			}) //end window.onunload
	},

	uninit:function($, config){
		var $targetlis=config.$targetlis
		var expandedliindex=-1 //index of expanded content to remember (-1 indicates non)
		$targetlis.each(function(){
			var $target=$(this)
			$target.unbind()
			if ($target.width()==$target.data('hpaneloffsetw'))
				expandedliindex=$target.data('pos')
		})
		if (config.selectedli[1]==true) //enable persistence?
			haccordion.setCookie(config.accordionid, expandedliindex)
	},

	setup:function(config){
		//Use JS to write out CSS that sets up initial dimensions of each LI, for JS enabled browsers only
		document.write('<style type="text/css">\n')
		document.write('#'+config.accordionid+' li{width: '+config.paneldimensions.peekw+';\nheight: '+config.paneldimensions.h+';\n}\n')
		document.write('#'+config.accordionid+' li .hpanel{width: '+config.paneldimensions.fullw+';\nheight: '+config.paneldimensions.h+';\n}\n')
		document.write('<\/style>')
		jQuery(document).ready(function($){ //on Dom load
			if (config.ajaxsource) //if config.ajaxsource option defined
				haccordion.loadexternal($, config)
			else
				haccordion.init($, config)
		}) //end DOM load
	}
}

//Drop Down/ Overlapping Content: http://www.dynamicdrive.com
//**Updated: April 9th, 10': Minor change

var dropdowncontent={
	disableanchorlink: true, //when user clicks on anchor link, should link itself be disabled (always true if "revealbehavior" above set to "click")
 hidedivmouseout: [true, 200], //Set hiding behavior within Drop Down DIV itself: [hide_div_onmouseover?, miliseconds_before_hiding]
	ajaxloadingmsg: "Loading content. Please wait...", //HTML to show while ajax page is being feched, if applicable
	ajaxbustcache: true, //Bust cache when fetching Ajax pages?

	getposOffset:function(what, offsettype){
		return (what.offsetParent)? what[offsettype]+this.getposOffset(what.offsetParent, offsettype) : what[offsettype]
	},

	isContained:function(m, e){
		var e=window.event || e
		var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
		while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
		if (c==m)
			return true
		else
			return false
	},

	show:function(anchorobj, subobj, e){
		if (!this.isContained(anchorobj, e) || (e && e.type=="click")){
			var e=window.event || e
			if (e.type=="click" && subobj.style.visibility=="visible"){
				subobj.style.visibility="hidden"
				return
			}
			var horizontaloffset=(subobj.dropposition[0]=="left")? -(subobj.offsetWidth-anchorobj.offsetWidth) : 0 //calculate user added horizontal offset
			var verticaloffset=(subobj.dropposition[1]=="top")? -subobj.offsetHeight : anchorobj.offsetHeight+20 //calculate user added vertical offset
			subobj.style.left=this.getposOffset(anchorobj, "offsetLeft") + horizontaloffset + "px"
			subobj.style.top=this.getposOffset(anchorobj, "offsetTop")+verticaloffset+"px"
			subobj.style.clip=(subobj.dropposition[1]=="top")? "rect(auto auto auto 0)" : "rect(0 auto 0 0)" //hide drop down box initially via clipping
			subobj.style.visibility="visible"
			subobj.startTime=new Date().getTime()
			subobj.contentheight=parseInt(subobj.offsetHeight)
			if (typeof window["hidetimer_"+subobj.id]!="undefined") //clear timer that hides drop down box?
				clearTimeout(window["hidetimer_"+subobj.id])
			this.slideengine(subobj, (subobj.dropposition[1]=="top")? "up" : "down")
		}
	},

	curveincrement:function(percent){
		return (1-Math.cos(percent*Math.PI)) / 2 //return cos curve based value from a percentage input
	},

	slideengine:function(obj, direction){
		var elapsed=new Date().getTime()-obj.startTime //get time animation has run
		if (elapsed<obj.glidetime){ //if time run is less than specified length
			var distancepercent=(direction=="down")? this.curveincrement(elapsed/obj.glidetime) : 1-this.curveincrement(elapsed/obj.glidetime)
			var currentclip=(distancepercent*obj.contentheight)+"px"
			obj.style.clip=(direction=="down")? "rect(0 auto "+currentclip+" 0)" : "rect("+currentclip+" auto auto 0)"
			window["glidetimer_"+obj.id]=setTimeout(function(){dropdowncontent.slideengine(obj, direction)}, 10)
		}
		else{ //if animation finished
			obj.style.clip="rect(0 auto auto 0)"
		}
	},

	hide:function(activeobj, subobj, e){
		if (!dropdowncontent.isContained(activeobj, e)){
			window["hidetimer_"+subobj.id]=setTimeout(function(){
				subobj.style.visibility="hidden"
				subobj.style.left=subobj.style.top=0
				clearTimeout(window["glidetimer_"+subobj.id])
			}, dropdowncontent.hidedivmouseout[1])
		}
	},

	hidediv:function(subobjid){
		document.getElementById(subobjid).style.visibility="hidden"
	},

	ajaxconnect:function(pageurl, divId){
		var page_request = false
		var bustcacheparameter=""
		if (window.XMLHttpRequest) // if Mozilla, IE7, Safari etc
			page_request = new XMLHttpRequest()
		else if (window.ActiveXObject){ // if IE6 or below
			try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
			} 
			catch (e){
				try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
				}
				catch (e){}
			}
		}
		else
			return false
		document.getElementById(divId).innerHTML=this.ajaxloadingmsg //Display "fetching page message"
		page_request.onreadystatechange=function(){dropdowncontent.loadpage(page_request, divId)}
		if (this.ajaxbustcache) //if bust caching of external page
			bustcacheparameter=(pageurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
		page_request.open('GET', pageurl+bustcacheparameter, true)
		page_request.send(null)
	},

	loadpage:function(page_request, divId){
		if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
			document.getElementById(divId).innerHTML=page_request.responseText
		}
	},

 init:function(anchorid, pos, glidetime, revealbehavior){
		var anchorobj=document.getElementById(anchorid)
		if (anchorobj)
			var subobj=document.getElementById(anchorobj.getAttribute("rel"))
		if (!anchorobj || !subobj)
			return
		var subobjsource=anchorobj.getAttribute("rev")
		if (subobjsource!=null && subobjsource!="")
			this.ajaxconnect(subobjsource, anchorobj.getAttribute("rel"))
		subobj.dropposition=pos.split("-")
		subobj.glidetime=glidetime || 1000
		subobj.style.left=subobj.style.top=0
		if (typeof revealbehavior=="undefined" || revealbehavior=="mouseover"){
			anchorobj.onmouseover=function(e){dropdowncontent.show(this, subobj, e)}
			anchorobj.onmouseout=function(e){dropdowncontent.hide(subobj, subobj, e)}
			if (this.disableanchorlink) anchorobj.onclick=function(){return false}
		}
		else
			anchorobj.onclick=function(e){dropdowncontent.show(this, subobj, e); return false}
		if (this.hidedivmouseout[0]==true) //hide drop down DIV when mouse rolls out of it?
			subobj.onmouseout=function(e){dropdowncontent.hide(this, subobj, e)}
	}
}