function popImage(imgName,imgWidth,imgHeight){	
		var windowParams = 'HEIGHT=' + imgHeight + ',WIDTH=' + imgWidth 
					+ ',scrollbars=no,resizable=yes,'
					+ 'status=yes,location=no,menubar=no,toolbar=no';					
		imgInfo = window.open(imgName,"imageWindow",windowParams);	
		imgInfo.focus()		
	};