function popupWin(file,width,height) { //v2.0
	window.open(file,'popup','toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,left='+((screen.width-width) / 2)+',top='+((screen.height-height) / 2)+',width='+width+',height='+height);
}