function legal() {
	url = "html/legal.html";
	w = 450; 
	h = 500;
	miVentana = window.open( url, "popup", "width=" + w + ",height=" + h + ",top=" + ((screen.height/2)-(h/2)) + ",left=" + ((screen.width/2)-(w/2 )) + ",resizable=no,status=no,scrollbars=yes" );               
	return false; 
}