function pie_mostrar(capa){
	 document.getElementById(capa).style.display="block";
}

function pie_ocultar(capa){
	document.getElementById(capa).style.display="none";
}						


var ABRIR_AVISO = {
 		init : function() 
		{		
		 	var boton_ventana = document.getElementById("aviso");
			boton_ventana.onclick = function() 
			{
				window.open(this.href, this.target, 'width=536,height=533'); return false;			
			}		
		}
	}	  
		
			function addLoadEvent(fn) {
			var old = window.onload;
			if (typeof window.onload != 'function') {
				window.onload = fn;
			} else {
			window.onload = function() {
			old();
			fn();
		}
	}
}

			addLoadEvent(function() {
			ABRIR_AVISO.init();
			});