function $(obj) {return (typeof obj == "object") ? obj:document.getElementById(obj);}

var ts = 6000;
var tr = 10000;
var auto = true;
var timer = 0;
var atual = 0;


function changeOpac(opacity,obj){
	var obj = $(obj).style;
	obj.opacity=(opacity/101);
	obj.MozOpacity=(opacity/101);
	obj.KhtmlOpacity=(opacity/101);
}

function slid_destaques(){
		window.clearTimeout(timer);
		if(vetor_destaque.length > 1){
			if (atual == vetor_destaque.length) atual = 0;
			if (atual < 0) atual = vetor_destaque.length-1;
			blend();
			timer = window.setTimeout("slid_destaques()", ts);
		}
}

function blend(){
	var speed=7;
	var time=0;
	for(i=100;i>0;i-=2) setTimeout("changeOpac("+i+",'slid')", time++ * speed);
	setTimeout('atualizar()', time * speed);
	for(i=0;i<=100;i+=2) setTimeout("changeOpac("+i+",'slid')", time++ * speed);
} 


function atualizar(){
	//$('slid_link').href			= vetor_destaque[atual][0];
	//$('slid_data').innerHTML		= vetor_destaque[atual][1];
	//$('slid_titulo').innerHTML		= vetor_destaque[atual][2];
	//$('slid_img').src			= vetor_destaque[atual][3];
	//$('slid_destaque').innerHTML	= vetor_destaque[atual][4];

	$('slid_data').innerHTML		= vetor_destaque[atual][0];
      if (vetor_destaque[atual][1]!='')
         $('slid_hora').innerHTML		= ' - ' + vetor_destaque[atual][1];
      else
         $('slid_hora').innerHTML		= vetor_destaque[atual][1];
	$('slid_titulo').innerHTML		= vetor_destaque[atual][2];
	atual++;
}

function slid_anterior(){
	window.clearTimeout(timer);
	if (atual == 1){
		atual = vetor_destaque.length-1;
	}else{
		atual = atual-2;
	}
	blend();
	timer = window.setTimeout("slid_destaques()", tr);
}

function slid_proximo(){
	window.clearTimeout(timer);
	if(vetor_destaque.length > 0){
		if (atual == vetor_destaque.length){
			atual = 0;
		} /*else{
			atual++;
		} */
		blend();
		timer = window.setTimeout("slid_destaques()", tr);
	}
}

//<a href="#" id="slid_link">
//<span id="slid_data">Data</span><br />
//<span id="slid_titulo">Titulo</span><br />
//<img id="slid_img" src="imagens" width="175" alt="" />
//<span id="slid_destaque">Resumo.</span>
//</a>