function LoadDivAJAX(url, id_content){
	document.getElementById(id_content).innerHTML='<center><br><br><img src="images/loading.gif"></center>';
	var page_requested = false;
	if (window.XMLHttpRequest) {// Si es Mozilla, Safari etc
		page_requested = new XMLHttpRequest()
	} else if (window.ActiveXObject){ // pero si es IE
		try {
			page_requested = new ActiveXObject("Msxml2.XMLHTTP")
		}
		catch (e){ // en caso que sea una versión antigua
			try{
				page_requested = new ActiveXObject("Microsoft.XMLHTTP")
			}
		catch (e){}
		}
	} else
		return false
		page_requested.onreadystatechange=function(){
			LoadPage(page_requested, id_content)
		}
		page_requested.open('GET', url, true)
		page_requested.send(null)
	}
	function LoadPage(page_requested, id_content){
		if (page_requested.readyState == 4 && (page_requested.status==200 || window.location.href.indexOf("http")==-1))
			document.getElementById(id_content).innerHTML=page_requested.responseText
	}