function openLink(URL, width, height, windowName, optionString)
{
	var options = optionString;
	
	if (width) options += ', width='+width;
	if (height) options += ', height='+height;
	if (windowName) var winName = windowName;
	else winName = 'linkWin';
	
	newWin = open(URL, winName, options);	
}