// MENU AJAX

function opacidade(id, opacity) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity="+opacity+")";
} 

function menuChange(url){
	if (document.getElementById) {
		if(window.XMLHttpRequest) {
			try {
				HttpReq = new XMLHttpRequest();
			} catch(e) {
				HttpReq = false;
			}
		} else if(window.ActiveXObject) {
			try {
				HttpReq = new ActiveXObject("Msxml2.XMLHTTP");
			} catch(e) {
				try {
					HttpReq = new ActiveXObject("Microsoft.XMLHTTP");
				} catch(e) {
					HttpReq = false;
				}
			}
		}
	if(HttpReq) {
			HttpReq.onreadystatechange = XMLHttpRequestChange_1;
			HttpReq.open("GET", url, true);
			HttpReq.send(null);
		}		  
	}
}
function XMLHttpRequestChange_1() {
	if (HttpReq.readyState==1) {
	/*	var carregando=document.getElementById("load");
		carregando.style.display="block";
		opacidade("menu", 30);  */
	}
	if (HttpReq.readyState==4 && HttpReq.status==200) {
	/*	var carregando=document.getElementById("load");
		carregando.style.display="none";
		opacidade("menu", 100); */
		var conteudo = document.getElementById("menu");
		conteudo.style.display="block";
		var resultado = HttpReq.responseText;
		conteudo.innerHTML = resultado;
	}
}