//Translucent scroller- By Dynamic Drive
//For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
//This credit MUST stay intact for use
//adapted by Marcelo Motitsuki



var day = new Date();
var nbrfiles = 0;
var banner = "";  


//banner_scroll_array.js é necessário
var nbrfiles = targ.length -1; // pega a quantidade de banners definidos pelo array targ


////NO need to edit beyond here/////////////


//*************************************************************
rnd.today=new Date();
rnd.seed=rnd.today.getTime();
function rnd() {
        rnd.seed = (rnd.seed*9301+49297) % 233280;
        return rnd.seed/(233280.0);
}

//*************************************************************
function getBanner(item) {
//*************************************************************
    banner = "";
    if ( addr[item] == null ) {
        banner += tags[item];
    } else {
        banner += "<a href='" + addr[item] + "' TARGET='"+targ[item]+"'>";
        banner += "<IMG SRC='" + tags[item] + "' border=0 alt='" + desc[item] + "'>";
        banner += "</A>";
    }
    //return "banner=" + item;  // retorna uma string para testar o resultado
	return banner;
}


  

var ie4=document.all
var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1

if (ie4||dom)
	document.write('<div style="position:relative;width:'+scroller_width+';height:'+scroller_height+';overflow:hidden"><div id="canvas0" style="position:absolute;background-color:'+bgcolor+';width:'+scroller_width+';height:'+scroller_height+';top:'+scroller_height+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div><div id="canvas1" style="position:absolute;background-color:'+bgcolor+';width:'+scroller_width+';height:'+scroller_height+';top:'+scroller_height+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div></div>')
else if (document.layers){
    document.write('<ilayer id=tickernsmain visibility=hide width='+scroller_width+' height='+scroller_height+' bgColor='+bgcolor+'><layer id=tickernssub width='+scroller_width+' height='+scroller_height+' left=0 top=0>'+getBanner(getNextVal())+'</layer></ilayer>')
}

var curpos=scroller_height*(1)
var degree=10
var curcanvas="canvas0"

var curindex = getNextVal();
var nextindex=1

//*************************************************************
function moveslide(){
//*************************************************************
    if (curpos>0){
        curpos=Math.max(curpos-degree,0)
        tempobj.style.top=curpos+"px"
    } else{
        clearInterval(dropslide)
        if (crossobj.filters)
            crossobj.filters.alpha.opacity=100
        else if (crossobj.style.MozOpacity)
            crossobj.style.MozOpacity=1
        nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1"
        tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)
        tempobj.innerHTML=getBanner(curindex);
        //nextindex=(nextindex<scrollercontent.length-1)? nextindex+1 : 0
        nextindex = getNextVal();
        setTimeout("rotateslide()",pause)
    }
}

//*************************************************************
function rotateslide(){
//*************************************************************
    if (ie4||dom){
        resetit(curcanvas)
        crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
        crossobj.style.zIndex++
        if (crossobj.filters)
            document.all.canvas0.filters.alpha.opacity=document.all.canvas1.filters.alpha.opacity=20
        else if (crossobj.style.MozOpacity)
            document.getElementById("canvas0").style.MozOpacity=document.getElementById("canvas1").style.MozOpacity=0.2
        var temp='setInterval("moveslide()",50)'
        dropslide=eval(temp)
        curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
    }
    else if (document.layers){
        crossobj.document.write(getBanner(curindex));
        crossobj.document.close()
    }
	curindex = getNextVal();
}

//*************************************************************
function resetit(what){
//*************************************************************
    curpos=parseInt(scroller_height)*(1)
    var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)
    crossobj.style.top=curpos+"px"
}

//*************************************************************
function startit(){
//*************************************************************
    crossobj=ie4? eval("document.all."+curcanvas) : dom? document.getElementById(curcanvas) : document.tickernsmain.document.tickernssub
    if (ie4||dom){
        crossobj.innerHTML=getBanner(curindex);
        rotateslide()
    }
    else{
        document.tickernsmain.visibility='show'
        //curindex++
		curindex = getNextVal();
        setInterval("rotateslide()",pause)
    }
}




//*************************************************************
function getNextVal () {
//*************************************************************
  var today = new Date();
  var i=today.getSeconds();
  //curindex = Math.floor(Math.random()*nbrfiles);
  //var seed = day.getTime(); // value of lapsed time is used to seed the random generator
  //var ran = parseInt(((seed - (parseInt(seed/1000,10) * 1000))/10)/100*nbrfiles + 1,10);
  //return i-Math.round((i-1)/nbrfiles)*nbrfiles;
  return Math.ceil(rnd()*nbrfiles);

}


if (ie4||dom||document.layers)
	window.onload=startit