var popUpWin=0;
function popUpWindow(URLStr)
{

url=URLStr
	var width=450;
	var height=450;
	var left = (screen.width/2)-(width/2);
var top = (screen.height/2)-(height/2);

  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(url, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}
 function PopWin(filename)
{
  winAtts="width=500,height=500,toolbar=no,directories=no,top=200,left=200,location=0,status=0,menubar=0,resizable=false,maximize=0";
  myChild = window.open(filename,"popup",winAtts);
}
 function goImgWin(filename)
{
  winAtts="toolbar=no,directories=no,top=0,left=0,location=0,status=1,menubar=yes,scrollbar=yes,resizable=yes,maximize=0,width=600,height=700";
  myChild = window.open(filename,"mychild",winAtts);
}