function NewWindow(mypage,myname)
{
  win = null;
  w   = 480;
  h   = 175;

  LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
  TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
  
  if(screen.width==800)
  {
    settings ='height='+h+',width='+w+',top=0,left=0,scrollbars=no,noresible'
    win      = window.open(mypage,myname,settings);
  }
  else
  {
    settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no,noresible'
    win      = window.open(mypage,myname,settings);
  }
  


  if(win.window.focus){win.window.focus();}
}