var csbustcachevar=0
var enabletransition=1
var csloadstatustext=""
var csexternalfiles=[]


var enablepersist=true
var slidernodes=new Object()
var csloadedobjects=""

function ContentSlider(sliderid, autorun, customPaginateText, customNextText){
	var slider=document.getElementById(sliderid)
	if (typeof customPaginateText!="undefined" && customPaginateText!="")
		slider.paginateText=customPaginateText
	if (typeof customNextText!="undefined" && customNextText!="")
		slider.nextText=customNextText
	slidernodes[sliderid]=[]
	ContentSlider.loadobjects(csexternalfiles)
	var alldivs=slider.getElementsByTagName("div")
	for (var i=0; i<alldivs.length; i++){
		if (alldivs[i].className=="opacitylayer")
			slider.opacitylayer=alldivs[i]
		else if (alldivs[i].className=="contentdiv"){
			slidernodes[sliderid].push(alldivs[i])
			if (typeof alldivs[i].getAttribute("rel")=="string")
				ContentSlider.ajaxpage(alldivs[i].getAttribute("rel"), alldivs[i])
		}
	}
	ContentSlider.buildpagination(sliderid)
	var loadfirstcontent=true
	if (enablepersist && getCookie(sliderid)!=""){
		var cookieval=getCookie(sliderid).split(":")
		if (document.getElementById(cookieval[0])!=null && typeof slidernodes[sliderid][cookieval[1]]!="undefined"){
			ContentSlider.turnpage(cookieval[0], parseInt(cookieval[1]))
			loadfirstcontent=false
		}
	}
	if (loadfirstcontent==true)
		ContentSlider.turnpage(sliderid, 0)
	if (typeof autorun=="number" && autorun>0)
		window[sliderid+"timer"]=setTimeout(function(){ContentSlider.autoturnpage(sliderid, autorun)}, autorun)
}

ContentSlider.buildpagination=function(sliderid){
	var slider=document.getElementById(sliderid)
	var paginatediv=document.getElementById("paginate-"+sliderid)
	var pcontent=""
	for (var i=0; i<slidernodes[sliderid].length; i++)
		pcontent+='<a href="#" onClick=\"ContentSlider.turnpage(\''+sliderid+'\', '+i+'); return false\">'+(slider.paginateText? slider.paginateText[i] : i+1)+'</a> '
	pcontent+='<a href="#" style="font-weight: bold;" onClick=\"ContentSlider.turnpage(\''+sliderid+'\', parseInt(this.getAttribute(\'rel\'))); return false\">'+(slider.nextText || "")+'</a>'
	paginatediv.innerHTML=pcontent
	paginatediv.onclick=function(){
	if (typeof window[sliderid+"timer"]!="undefined")
		clearTimeout(window[sliderid+"timer"])
	}
}

ContentSlider.turnpage=function(sliderid, thepage){
	var paginatelinks=document.getElementById("paginate-"+sliderid).getElementsByTagName("a")
	for (var i=0; i<slidernodes[sliderid].length; i++){
		paginatelinks[i].className=""
		slidernodes[sliderid][i].style.display="none"
	}
	paginatelinks[thepage].className="selected"
	if (enabletransition){
		if (window[sliderid+"fadetimer"])
			clearTimeout(window[sliderid+"fadetimer"])
		this.setopacity(sliderid, 0.1)
	}
	slidernodes[sliderid][thepage].style.display="block"
	if (enabletransition)
		this.fadeup(sliderid, thepage)
	//Set "Next" pagination link's (last link within pagination DIV) "rel" attribute to the next DIV number to show
	paginatelinks[paginatelinks.length-1].setAttribute("rel", thenextpage=(thepage<paginatelinks.length-2)? thepage+1 : 0)
	if (enablepersist)
		setCookie(sliderid, sliderid+":"+thepage)
}

ContentSlider.autoturnpage=function(sliderid, autorunperiod){
	var paginatelinks=document.getElementById("paginate-"+sliderid).getElementsByTagName("a")
	var nextpagenumber=parseInt(paginatelinks[paginatelinks.length-1].getAttribute("rel"))
	ContentSlider.turnpage(sliderid, nextpagenumber) //Show that DIV
	window[sliderid+"timer"]=setTimeout(function(){ContentSlider.autoturnpage(sliderid, autorunperiod)}, autorunperiod)
}

ContentSlider.setopacity=function(sliderid, value){ 
	var targetobject=document.getElementById(sliderid).opacitylayer || null //reference slider container itself
	if (targetobject && targetobject.filters && targetobject.filters[0]){
		if (typeof targetobject.filters[0].opacity=="number")
			targetobject.filters[0].opacity=value*100
		else //IE 5.5
			targetobject.style.filter="alpha(opacity="+value*100+")"
		}
	else if (targetobject && typeof targetobject.style.MozOpacity!="undefined") 
		targetobject.style.MozOpacity=value
	else if (targetobject && typeof targetobject.style.opacity!="undefined") 
		targetobject.style.opacity=value
	targetobject.currentopacity=value
}

ContentSlider.fadeup=function(sliderid){
	var targetobject=document.getElementById(sliderid).opacitylayer || null 
	if (targetobject && targetobject.currentopacity<1){
		this.setopacity(sliderid, targetobject.currentopacity+0.1)
		window[sliderid+"fadetimer"]=setTimeout(function(){ContentSlider.fadeup(sliderid)}, 100)
	}
}

function getCookie(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i");
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1]
	return ""
}

function setCookie(name, value){
	document.cookie = name+"="+value
}

///////////////////////////////////////

ContentSlider.ajaxpage=function(url, thediv){
	var page_request = false
	var bustcacheparameter=""
	if (window.XMLHttpRequest)
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){
		try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
		try{
		page_request = new ActiveXObject("Microsoft.XMLHTTP")
		}
		catch (e){}
		}
	}
	else
		return false
	thediv.innerHTML=csloadstatustext
	page_request.onreadystatechange=function(){
		ContentSlider.loadpage(page_request, thediv)
	}
	if (csbustcachevar)
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
}

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

ContentSlider.loadobjects=function(externalfiles){
	for (var i=0; i<externalfiles.length; i++){
		var file=externalfiles[i]
		var fileref=""
		if (csloadedobjects.indexOf(file)==-1){
			if (file.indexOf(".js")!=-1){
				fileref=document.createElement('script')
				fileref.setAttribute("type","text/javascript");
				fileref.setAttribute("src", file);
			}
			else if (file.indexOf(".css")!=-1){
				fileref=document.createElement("link")
				fileref.setAttribute("rel", "stylesheet");
				fileref.setAttribute("type", "text/css");
				fileref.setAttribute("href", file);
			}
		}
		if (fileref!=""){
			document.getElementsByTagName("head").item(0).appendChild(fileref)
			csloadedobjects+=file+" "
		}
	}
}