//** Featured Content Slider script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com.
//** May 2nd, 08'- Script rewritten and updated to 2.0.

var featuredcontentslider={

	settingcaches: {},
	
	jumpTo:function(fcsid, pagenumber){
		this.turnpage(this.settingcaches[fcsid], pagenumber)
	},
	
	buildcontentdivs:function(setting){
		var alldivs=document.getElementById(setting.id).getElementsByTagName("div")
		for (var i=0; i<alldivs.length; i++){
			if (this.css(alldivs[i], "contentdiv", "check")){
				setting.contentdivs.push(alldivs[i])
					alldivs[i].style.display="none"
			}
		}
	},
	
	buildpaginate:function(setting){
		this.buildcontentdivs(setting)
		var sliderdiv=document.getElementById(setting.id)
		var pdiv=document.getElementById("paginate-"+setting.id)
		var phtml=""
		var toc=setting.toc
		var nextprev=setting.nextprev
		if (typeof toc=="string" && toc!="markup" || typeof toc=="object"){
			for (var i=1; i<=setting.contentdivs.length; i++){
				phtml+='<a href="#'+i+'" class="toc">'+  (typeof toc=="string"? toc.replace(/#increment/, i) : toc[i-1]) +'</a> '
			}
			phtml=(nextprev[0]!=''? '<a href="#prev" class="prev">'+nextprev[0]+'</a> ' : '') + phtml + (nextprev[1]!=''? '<a href="#next" class="next">'+nextprev[1]+'</a>' : '')
			pdiv.innerHTML=phtml
		}
		var pdivlinks=pdiv.getElementsByTagName("a")
		var toclinkscount=0 
		for (var i=0; i<pdivlinks.length; i++){
			if (this.css(pdivlinks[i], "toc", "check")){
				if (toclinkscount>setting.contentdivs.length-1){ 
					pdivlinks[i].style.display="none" 
					continue
				}
				pdivlinks[i].setAttribute("rel", ++toclinkscount) 
				pdivlinks[i][setting.revealtype]=function(){
					featuredcontentslider.turnpage(setting, this.getAttribute("rel"))
					return false
				}
				setting.toclinks.push(pdivlinks[i])
			}
			else if (this.css(pdivlinks[i], "prev", "check") || this.css(pdivlinks[i], "next", "check")){ 
				pdivlinks[i].onclick=function(){
					featuredcontentslider.turnpage(setting, this.className)
					return false
				}
			}
		}
		this.turnpage(setting, setting.currentpage, true)
		if (setting.autorotate[0]){ 
			pdiv[setting.revealtype]=function(){
				featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id])
			}
			sliderdiv["onclick"]=function(){ 
				featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id])
			}
			setting.autorotate[1]=setting.autorotate[1]+(1/setting.enablefade[1]*50) 
		 this.autorotate(setting)
		}
	},
	
	turnpage:function(setting, thepage, autocall){
		var currentpage=setting.currentpage 
		var totalpages=setting.contentdivs.length
		var turntopage=(/prev/i.test(thepage))? currentpage-1 : (/next/i.test(thepage))? currentpage+1 : parseInt(thepage)
		turntopage=(turntopage<1)? totalpages : (turntopage>totalpages)? 1 : turntopage 
		if (turntopage==setting.currentpage && typeof autocall=="undefined") 
			return
		setting.currentpage=turntopage
		setting.contentdivs[turntopage-1].style.zIndex=++setting.topzindex
		this.cleartimer(setting, window["fcsfade"+setting.id])
		setting.cacheprevpage=setting.prevpage
		if (setting.enablefade[0]==true){
			setting.curopacity=0
			this.fadeup(setting)
		}
		if (setting.enablefade[0]==false){ 
			setting.contentdivs[setting.prevpage-1].style.display="none" 
			setting.onChange(setting.prevpage, setting.currentpage)
		}
		setting.contentdivs[turntopage-1].style.visibility="visible"
		setting.contentdivs[turntopage-1].style.display="block"
		if (setting.prevpage<=setting.toclinks.length) 
			this.css(setting.toclinks[setting.prevpage-1], "selected", "remove")
		if (turntopage<=setting.toclinks.length) 
			this.css(setting.toclinks[turntopage-1], "selected", "add")
		setting.prevpage=turntopage
	},
	
	setopacity:function(setting, value){ 
		var targetobject=setting.contentdivs[setting.currentpage-1]
		if (targetobject.filters && targetobject.filters[0]){ 
			if (typeof targetobject.filters[0].opacity=="number") 
				targetobject.filters[0].opacity=value*100
			else 
				targetobject.style.filter="alpha(opacity="+value*100+")"
		}
		else if (typeof targetobject.style.MozOpacity!="undefined") 
			targetobject.style.MozOpacity=value
		else if (typeof targetobject.style.opacity!="undefined") 
			targetobject.style.opacity=value
		setting.curopacity=value
	},
	
	fadeup:function(setting){
		if (setting.curopacity<1){
			this.setopacity(setting, setting.curopacity+setting.enablefade[1])
			window["fcsfade"+setting.id]=setTimeout(function(){featuredcontentslider.fadeup(setting)}, 50)
		}
		else{
			if (setting.cacheprevpage!=setting.currentpage) 
				setting.contentdivs[setting.cacheprevpage-1].style.display="none"
			setting.onChange(setting.cacheprevpage, setting.currentpage)
		}
	},
	
	cleartimer:function(setting, timervar){
		if (typeof timervar!="undefined"){
			clearTimeout(timervar)
			clearInterval(timervar)
			if (setting.cacheprevpage!=setting.currentpage){ 
				setting.contentdivs[setting.cacheprevpage-1].style.display="none"
			}
		}
	},
	
	css:function(el, targetclass, action){
		var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
		if (action=="check")
			return needle.test(el.className)
		else if (action=="remove")
			el.className=el.className.replace(needle, "")
		else if (action=="add")
			el.className+=" "+targetclass
	},
	
	autorotate:function(setting){
	 window["fcsautorun"+setting.id]=setInterval(function(){featuredcontentslider.turnpage(setting, "next")}, setting.autorotate[1])
	},
	
	init:function(setting){
		this.settingcaches[setting.id]=setting 
		setting.contentdivs=[]
		setting.toclinks=[]
		setting.topzindex=0
		setting.currentpage=1
		setting.prevpage=setting.currentpage
		setting.revealtype="on"+(setting.revealtype || "click")
		setting.curopacity=0
		setting.onChange=setting.onChange || function(){}
		
		this.buildpaginate(setting)
	}
}