function popUp(sDir,iImg) {
	iWidth = 568;
	iHeight = 460;
	var winl = (screen.width - iWidth) / 2;
	var wint = (screen.height - iHeight) / 2;
	winprops = 'height='+iHeight+',width='+iWidth+',top='+wint+',left='+winl+',scrollbars=no,resizable=0,'
	win = window.open("popup.asp?d="+sDir+"&i=" + iImg, iWidth, winprops);
	win.focus();
}