function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
var winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable,status=yes';
//var winprops = 'height='+h+',width='+w;
//alert (winprops);
//return;

var winj = window.open(mypage, 'Juegoz', winprops);
}