if (document.getElementById){
document.write('<style type="text/css">\n')
document.write('.style2{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu3(obj){
	if(document.getElementById){
	var el3 = document.getElementById(obj);
	var ar3 = document.getElementById("menutendina3").getElementsByTagName("span");
		if(el3.style.display != "block"){
			for (var i=0; i<ar3.length; i++){
				if (ar3[i].className=="style2")
				ar3[i].style.display = "none";
			}
			el3.style.display = "block";
		}else{
			el3.style.display = "none";
		}
	}
}