function openImage(image,colType){
	xPos = (screen.availWidth  / 2) - 50;
	yPos = (screen.availHeight / 2) - 50;
	window.open('gallery/popup.asp?image='+image+'&coltype='+colType,'vPop','width=100,height=100,status=no,left='+xPos+',top='+yPos+',scrollbars=no');
}