var aw = window.screen.availWidth;
var ah = window.screen.availHeight;
function popWin(url,w,h) {
	if (!w) { var w = 600; }
	if (!h) { var h = 600; }
	var awpos = (aw / 2) - (w / 2);
	var ahpos = (ah / 2) - (h / 2);
	winOpen = window.open('picpopup.asp?picname='+url,'popWin','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=no,width='+w+',height='+h+',top='+ahpos+',left='+awpos);
}