function ow(theurl, ww, wh) {
	if (!ww) {
		var ww = 650;
	}
	if (!wh) {
		var wh = 450;
	}
	var w = screen.availWidth/2-ww/2;
	var h = screen.availHeight/2-wh/2;

	window.open(theurl, "content", "left="+w+",top="+h+",width="+ww+",height="+wh+",scrollbars=yes,resize=yes");
}