//** Featured Content Slider script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com.

var featuredcontentslider={

	settingcaches: {},
	
	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 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);
					featuredcontentslider.cleartimer(setting, window["fcsautorun"+(setting.id+1)]);
					return false;
				}
			}
			else if (this.css(pdivlinks[i], "pause", "check")){
				pdivlinks[i].onclick=function(){
					if(setting.pause == 0){
						featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id]);
						featuredcontentslider.cleartimer(setting, window["fcsautorun"+(setting.id+1)]);
						setting.pause=1;
						return false;
					}else if(setting.pause == 1){
						setting.autorotate[1]=setting.autorotate[1]+(1/setting.enablefade[1]*50);
						window["fcsautorun"+(setting.id + 1)]=setInterval(function(){featuredcontentslider.turnpage(setting, "next")}, setting.autorotate[1]);
						setting.pause=0;
						return false;
					}
				}
			}
		}
		this.turnpage(setting, setting.currentpage, true);
		if (setting.autorotate[0]){
			pdiv[setting.revealtype]=function(){
				featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id]);
			}
			setting.autorotate[1]=setting.autorotate[1]+(1/setting.enablefade[1]*50);
		 this.autorotate(setting);
		}
	},
	
	urlparamselect:function(fcsid){
		var result=window.location.search.match(new RegExp(fcsid+"=(\\d+)", "i"));
		return (result==null)? null : parseInt(RegExp.$1);
	},
	
	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]);
	},
	
	pause:function(setting){
		featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id]);
	},
	
	init:function(setting){
		var persistedpage=1;
		var urlselectedpage=this.urlparamselect(setting.id);
		this.settingcaches[setting.id]=setting;
		setting.contentdivs=[];
		setting.toclinks=[];
		setting.topzindex=0;
		setting.pause=0;
		setting.currentpage=urlselectedpage || 1;
		setting.prevpage=setting.currentpage;
		setting.revealtype="on"+(setting.revealtype || "click");
		setting.curopacity=0;
		setting.onChange=setting.onChange || function(){};
		this.buildpaginate(setting);
	}
}