// JavaScript Document
	function muestra_oculta(id){
		if (document.getElementById){
			var el = document.getElementById(''+id+'');
			el.style.display = (el.style.display == 'none') ? 'block' : 'none';
		}
	}
	function abrir_ventana(el_url,mi_nombre, w, h,scroll) { 
		var winl = (screen.width - w) / 2; 
		var wint = (screen.height - h) / 2; 
			ancho_alto = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+'' 
			 ventan = window.open(el_url, mi_nombre, ancho_alto);
				if (parseInt(navigator.appVersion) >= 4) { ventan.window.focus(); } 
	}
	function wB(){/*BUSCAR EN TODO LA WEB*/
		var txtbus=document.getElementById('txtbus');
		if(!txtbus.value){txtbus.focus();return false;}
		document.location.href='wNotiBus.php?tx='+txtbus.value;
	}
	//onload=function(){document.getElementById('txtbus').focus();}
	
	function enterBuscar(e){
		var k=null;
		(e.keyCode) ? k=e.keyCode : k=e.which;
		if(k==13){ wB();}
	}