// JavaScript Document
var popUpWin=0;
var winl = (screen.width)/2;
var wint = (screen.height)/2;

function popUpWindow(URLStr, left, top, width, height)

{

  if(popUpWin)

  {

    if(!popUpWin.closed) popUpWin.close();

  }

  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+winl+', top='+wint+',screenX='+winl+',screenY='+wint+'');

}