function popWin(url) {
	w = 400;
	h = 330;
	x = (screen.width - w) / 2;
	y = (screen.availHeight - h) / 2;
	f = "width="+w+",height="+h+",left="+x+",top="+y+",screenX="+x+",screenY="+y+"";
	lookup = window.open(url, "Video", f);
}