window.onload=function(){
	
	/*fdContent = new fx.Opacity('dest',{duration:800});
	changeBanner();*/
}

a=0;
function changeBanner(){
	//alert(a);
	tb = document.getElementById("destaque");
	tr = tb.getElementsByTagName("tr");
	total = tr.length;
	
	fdContent.hide();
	fdContent.custom(0.5,1);
	
	//exibição da linha da tabela
	if (window.navigator.appName.indexOf("Microsoft")!=-1){
		document.getElementById("dest_"+a).style.display='block';
	}else{
		document.getElementById("dest_"+a).style.display='table-row';
	}
	
	//if (total!=1){
	//apaga as outras linhas
	for(var i=0; i<=(total-1); i++){
		if (tr[i].id.indexOf('dest_')!=-1){
			if(a!=i){
				tr[i].style.display='none';
			}
		}
	}
	
	if (a==(total-1)){a=0}else{a++}
	if(total!=1){
		setTimeout('changeBanner()',4800);
	}
}

/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Timothy Groves | http://www.brandspankingnew.net/ */
var useBSNns;

if (useBSNns){
	if (typeof(bsn) == "undefined")
		bsn = {}
		var _bsn = bsn;
} else {
	var _bsn = this;
}

_bsn.Crossfader = function (divs, fadetime, delay){
	this.nAct = -1;
	this.aDivs = divs;

	for (var i=0;i<divs.length;i++){
		document.getElementById(divs[i]).style.opacity = 0;
		document.getElementById(divs[i]).style.position = "absolute";
		document.getElementById(divs[i]).style.filter = "alpha(opacity=0)";
		document.getElementById(divs[i]).style.visibility = "hidden";
	}
	
	this.nDur = fadetime;
	this.nDelay = delay;
	this._newfade();
}

_bsn.Crossfader.prototype._newfade = function(){
	if (this.nID1)
	clearInterval(this.nID1);
	this.nOldAct = this.nAct;
	this.nAct++;
	
	if (!this.aDivs[this.nAct])	this.nAct = 0;
	if (this.nAct == this.nOldAct)
	return false;
	
	document.getElementById( this.aDivs[this.nAct] ).style.visibility = "visible";
	this.nInt = 50;
	this.nTime = 0;
	var p=this;
	this.nID2 = setInterval(function() { p._fade() }, this.nInt);
}

_bsn.Crossfader.prototype._fade = function(){
	this.nTime += this.nInt;
	var ieop = Math.round( this._easeInOut(this.nTime, 0, 1, this.nDur) * 100);
	var op = ieop / 100;
	document.getElementById( this.aDivs[this.nAct] ).style.opacity = op;
	document.getElementById( this.aDivs[this.nAct] ).style.filter = "alpha(opacity="+ieop+")";
	
	if (this.nOldAct > -1){
		document.getElementById( this.aDivs[this.nOldAct] ).style.opacity = 1 - op;
		document.getElementById( this.aDivs[this.nOldAct] ).style.filter = "alpha(opacity="+(100 - ieop)+")";
	}
	
	if (this.nTime == this.nDur){
		clearInterval( this.nID2 );
		
		if (this.nOldAct > -1)
			document.getElementById( this.aDivs[this.nOldAct] ).style.visibility = "hidden";
			var p=this;
			this.nID1 = setInterval(function() { p._newfade() }, this.nDelay);
	}
}

_bsn.Crossfader.prototype._easeInOut = function(t,b,c,d){
	return c/2 * (1 - Math.cos(Math.PI*t/d)) + b;
}

document.getElementsByClassName = function(clsName){
    var retVal = new Array();
    var elements = document.getElementsByTagName("*");
    for(var i = 0;i < elements.length;i++){
        if(elements[i].className.indexOf(" ") >= 0){
            var classes = elements[i].className.split(" ");
            for(var j = 0;j < classes.length;j++){
                if(classes[j] == clsName)
                    retVal.push(elements[i]);
            }
        }
        else if(elements[i].className == clsName)
            retVal.push(elements[i]);
    }
    return retVal;
}