var win=null;

function NewWindow(mypage,myname,w,h,pos,infocus)
{
  if(pos=="random")
  {
    myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
    mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
  }

  if(pos=="center")
  {
    myleft=(screen.width)?(screen.width-w)/2:100;
    mytop=(screen.height)?(screen.height-h)/2:100;
  }

  else if((pos!='center' && pos!="random") || pos==null)
  {
    myleft=0;
    mytop=20
  }

  settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);
  win.focus();
}