var head="display:''"
var ns6=document.getElementById&&!document.all
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1

 
function checkcontained(e){
	var iscontained=0;
	cur=ns6? e.target : event.srcElement;
	i=0;
	if (cur.id=="lista_menu_header") 
		checkcontained1(e);
}
 
function checkcontained1(e){
	var iscontained=0;
	cur=ns6? e.target : event.srcElement;
	i=0;
	if (cur.id=="lista_menu_header") 
		iscontained=1;
	if (iscontained){
		var foldercontent=ns6? cur.nextSibling.nextSibling : cur.all.tags("div")[0];
		var status = foldercontent.style.display;
		hide_all();
		if (status=="none"){
			foldercontent.style.display="";
		}else{
			foldercontent.style.display="none";
		}
	}
}
 

function checkcontained2(e){
	var iscontained=0;
	cur=ns6? e.target : event.srcElement;
	i=0;
	if (cur.id=="lista_canales_header") {
		iscontained=1;
	} else {
		while (ns6&&cur.parentNode||(ie4&&cur.parentElement)){
			if (cur.id=="lista_canales_header"){
				iscontained=(cur.id=="lista_canales_header")? 1 : 0;
				break;
			}
			cur=ns6? cur.parentNode : cur.parentElement;
		}
	}
	if (iscontained){
		var foldercontent=ns6? cur.nextSibling.nextSibling : cur.all.tags("div")[0];
		if (foldercontent.style.display=="none"){
			foldercontent.style.display="";
		}else{
			foldercontent.style.display="none";
		}
	}
}
 
function expand_menu(id) {
	var divs = document.getElementsByTagName('div');
	for (var i=0; i<divs.length; i++) { 
		var cur = divs[i];      
	  	if (cur.id.indexOf(id)>-1) {       
			cur.style.display="";
		}     
	}
}
 
 
function hide_all() {
	var divs = document.getElementsByTagName('LI');
	for (var i=0; i<divs.length; i++) {      
		var cur = divs[i];        
		if (cur.id.indexOf("lista_menu_header")>-1) {       
			var foldercontent=ns6? cur.nextSibling.nextSibling : cur.all.tags("div")[0];
			if (foldercontent) {
				foldercontent.style.display="none";      
			}
		}
	}
}