function verifica_res(){
	var tamanho = (document.body.clientWidth - 779)/2;
	var pos_menu1 = 176;
	var pos_menu2 = 294;
	MM_changeProp('institu', '', "style.left", (tamanho + pos_menu1 + 'px'));
	MM_changeProp('produtos', '', "style.left", (tamanho + pos_menu2 + 'px'));
}


ativo = null;
timeId = null;
document.onclick = new Function("show()");

function addOption(obj,arr){
	var obj = document.getElementById(obj);
	var boxLength = obj.length;
	for(i=0; i<arr.length; i++)
	{
		newoption = new Option(arr[i][0], arr[i][1], false, false);
		obj.options[boxLength] = newoption;
		boxLength++;
	}
}

function show(obj){
	if(ativo!=null && obj!=ativo){
		MM_changeProp(ativo, '', "style.visibility", "hidden");
		ativo=null;	
	}
	if(timeId!=null){
		clearTimeout(timeId);
	}
	if(obj){
		MM_changeProp(obj, '', "style.visibility", "visible");
		ativo = obj;
		//Ocultando banner
		MM_changeProp('banner1', '', "style.display", "none");
		MM_changeProp('no_banner1', '', "style.display", "block");
	}else{
		//Desocultando banner
		MM_changeProp('banner1', '', "style.display", "block");
		MM_changeProp('no_banner1', '', "style.display", "none");
	}
}

function timerHidePop(){
	if(ativo!=null){
		timeId = setTimeout("MM_changeProp(ativo, '', 'style.visibility', 'hidden'); timeId=null; ativo=null; MM_changeProp('banner1', '', 'style.display', 'block'); MM_changeProp('no_banner1', '', 'style.display', 'none')", 1000);
	}
}