$(document).ready(function() {
  obtenerid('contenedor_menu');
  mostrar('menu<?php echo $getid; ?>');
 });
	var result; 
	function obtenerid(dentrodeque){ 
		frase=document.getElementById(dentrodeque).innerHTML; 
		result=new Array(); 
		result=frase.match(/\b\s+id=[^>\s]+\b/g); 
		for(ii=0; ii < result.length; ii++){ 
			result[ii]=result[ii].split('"').join(''); 
			result[ii]=result[ii].split('id=').join(''); 
			result[ii]=result[ii].split(' ').join(''); 
		} 
	} 
	function mostrar(que){ 
		for(ii=0;ii < result.length;ii++){ 
			if(que==result[ii]){ 
				if(document.getElementById(que).style.display=='none'){
					document.getElementById(que).style.display='block';
				}else{
					document.getElementById(que).style.display='none';
				} 
			}else{ 
				eval("document.getElementById('"+result[ii]+"').style.display='none'"); 
			} 
		} 
	} 
	function ir(url){ 
		window.location=url; 
	}