var win=null;
function NewWindow(mypage,myname,w,h,scroll,pos)
  {
  if(pos=="random")
    {
    LeftPosition=(screen.width) ? Math.floor(Math.random()*(screen.width-w)) : 100;
    TopPosition=(screen.height) ? Math.floor(Math.random()*((screen.height-h)-75)) : 100;
    }
  if(pos=="center")
    {
    LeftPosition=(screen.width) ? (screen.width-w)/2 : 100;
    TopPosition=(screen.height) ? (screen.height-h)/2 : 100;
    }
  else
    if((pos!="center" && pos!="random") || pos==null)
      {
      LeftPosition=0;
      TopPosition=20
      }
  settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
  win=window.open(mypage,myname,settings);
  }