/* - slide_sem_numeracao.js - */
var csbustcachevar=0;
var enabletransition=1;
var csloadstatustext="Loading...";
var csexternalfiles=[];
var enablepersist=true;
var slidernodes=new Object();
var csloadedobjects="";

function GN_ContentSliderNotPag(sliderid, autorun, nextText, linkMore){
    var slider=document.getElementById(sliderid);
    if (typeof nextText!="undefined" && nextText!="")slider.nextText=nextText;
    if (typeof linkMore!="undefined" && linkMore!="")slider.linkMore=linkMore;
    slidernodes[sliderid]=[];
    GN_ContentSliderNotPag.loadobjects(csexternalfiles);
    var alldivs=slider.getElementsByTagName("div");
    for (var i=0; i<alldivs.length; i++){
        if (alldivs[i].className=="gn_opacitylayer")
            slider.opacitylayer=alldivs[i];
        else if (alldivs[i].className=="gn_news"){
            slidernodes[sliderid].push(alldivs[i]);
            if (typeof alldivs[i].getAttribute("rel")=="string") 
                GN_ContentSliderNotPag.ajaxpage(alldivs[i].getAttribute("rel"), alldivs[i]);
        }
    }
    GN_ContentSliderNotPag.buildnotpagination(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"){
            GN_ContentSliderNotPag.turnpage(cookieval[0], parseInt(cookieval[1]));
            loadfirstcontent=false;
        }
    }
    if (loadfirstcontent==true)
        GN_ContentSliderNotPag.turnpage(sliderid, 0); 
    if (typeof autorun=="number" && autorun>0)
        window[sliderid+"timer"]=setTimeout(function(){GN_ContentSliderNotPag.autoturnpage(sliderid, autorun)}, autorun);
}

GN_ContentSliderNotPag.buildnotpagination=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=\"GN_ContentSliderNotPag.turnpage(\''+sliderid+'\', '+i+'); return false\">'+'</a> ';
    pcontent+='<a href="#" onClick=\"GN_ContentSliderNotPag.turnpage(\''+sliderid+'\', parseInt(this.getAttribute(\'rel\'))); return false\">'+(slider.nextText || "")+'</a>';
    if (slider.linkMore)
        pcontent+=slider.linkMore;
    paginatediv.innerHTML=pcontent;
    paginatediv.onclick=function(){
    if (typeof window[sliderid+"timer"]!="undefined")
        clearTimeout(window[sliderid+"timer"]);
    }
}

GN_ContentSliderNotPag.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);
    paginatelinks[slidernodes[sliderid].length].setAttribute("rel", thenextpage=(thepage<slidernodes[sliderid].length-1)? thepage+1 : 0);
    if (enablepersist)
        setCookie(sliderid, sliderid+":"+thepage);
}

GN_ContentSliderNotPag.autoturnpage=function(sliderid, autorunperiod){
    var paginatelinks=document.getElementById("paginate-"+sliderid).getElementsByTagName("a");
    var nextpagenumber=parseInt(paginatelinks[slidernodes[sliderid].length].getAttribute("rel")); 
    GN_ContentSliderNotPag.turnpage(sliderid, nextpagenumber);
    window[sliderid+"timer"]=setTimeout(function(){GN_ContentSliderNotPag.autoturnpage(sliderid, autorunperiod)}, autorunperiod);
}

GN_ContentSliderNotPag.setopacity=function(sliderid, value){ 
    var targetobject=document.getElementById(sliderid).opacitylayer || null;
    if (targetobject && 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 (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;
}

GN_ContentSliderNotPag.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(){GN_ContentSliderNotPag.fadeup(sliderid)}, 100);
    }
}

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;
}

GN_ContentSliderNotPag.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(){
        GN_ContentSliderNotPag.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);
}

GN_ContentSliderNotPag.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;
}

GN_ContentSliderNotPag.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+" ";
        }
    }
}