function mostrarocultarmenu(target1, target2 ){
	/*var menu2 = document.getElementById('_menu2');
	var menu3 = document.getElementById('_menu3');
	var menu4 = document.getElementById('_menu4');
	var menu5 = document.getElementById('_menu5');
	menu2.className = "none";
	menu3.className = "none";
	menu4.className = "none";
	menu5.className = "none";*/
	
	 if (document.getElementById){
		 var t1 = document.getElementById(target1);
		 var t2 = document.getElementById(target2);
		 if (t1.style.display == ""){
		 	t1.style.display = "none";
			t2.className = "none";
		 }
		 else {
		 	t1.style.display = "";
			t2.className = "abierto";
		 }
	 }
}