//script que altera as classes dos objetos para destacar o link no modo Down (up,hover,down)
function destacaMenu(pri,sec,ter,qua){
	var pri;
	if(pri){
		document.getElementById("mn"+pri).className="liDown";	
		var objPai = document.getElementById("mn"+pri);
		for(var node = objPai.firstChild; node!=null; node=node.nextSibling) {
			if (node.nodeName.toUpperCase() == "A") {
				//faz
				//alert("pegou "+node.nodeName)
				node.className+="Down";
			}
		}
	
		if(sec){
			document.getElementById("mn"+pri+sec).firstChild.className+="aDown";
			
			if(ter){
				document.getElementById("mn"+pri+sec+ter).className="liDown";
				document.getElementById("mn"+pri+sec+ter).firstChild.className+=" aDown";
				
				if(qua){
					document.getElementById("mn"+pri+qua).className="liBrincosDown";			
				}
			}
		}
	}
	return;
}