function popWindow(theURL,width,height){	
         startLeftPos = screen.width;
         startTopPos = screen.height;
         leftPos = (startLeftPos-width)/2;
		  topPos = (startTopPos-height)/2;
		  window.open(theURL,'smallWindow','width='+width+',height='+height+',resizable=0,scrollbars=no,toolbar=no,menubar=no,left='+leftPos+',top='+topPos+'');
}