PositionX = 0;
PositionY = 0;

// Set these value approximately 20 pixels greater than the
// size of the largest image to be used (needed for Netscape)

defaultWidth  = 640;
defaultHeight = 430;

if (parseInt(navigator.appVersion.charAt(0)) >= 4)
{	
	var isNN=(navigator.appName == "Netscape")?1:0;
	var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;
}

var optFeatures = 'scrollbars=yes,resizable=yes,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
	
function popImage(imageURL)
{
	imgWin = window.open(imageURL.replace("\'","'"),'',optFeatures);
}