var csbustcachevar=0;
var csloadstatustext="<img src='images/loading.gif' /> Requesting content...";
var csexternalfiles=[];
var enablepersist=true;
var slidernodes=new Object();
var csloadedobjects="";

function ContentSlider(sliderid, autorun){
    var slider=document.getElementById(sliderid);
    slidernodes[sliderid]=[];
    ContentSlider.loadobjects(csexternalfiles);
    var alldivs=slider.getElementsByTagName("div");
    for (var i=0; i<alldivs.length; i++){
        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 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\">&nbsp;</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";
    slidernodes[sliderid][thepage].style.display="block";
    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);
    window[sliderid+"timer"]=setTimeout(function(){ContentSlider.autoturnpage(sliderid, autorunperiod)}, autorunperiod);
}

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