function openWin( html, name, width, height ) {
	var wval = 450;
        if (width) { wval = width }
	var hval = 400;
        if (height) { hval = height }
	var x=open( html, name, 'width='+wval+',height='+hval+',directories=no,location=yes,menubar=no,scrollbars=yes,status=yes,toolbar=no,resizable=yes');
	x.moveTo(((screen.width/2)-(wval/2)),((screen.height/2)-(hval/2)));
	x.focus(); //this makes it so that when you click it again, and the window is maybe behind brings it forward
    }