Shadowbox.init({
    handleOversize: "none",
    modal: true,
	troubleElements:["select", "canvas","object", "embed"],
	overlayOpacity:1,
	overlayColor:"#000"
	
});
function abrir_juego(url,ancho,alto){
	Shadowbox.open({
	  content:url,
	  player: "swf",
	  title: "",
	  height:alto,
	  width:ancho
    });

}