function popup( url, w, h )
{
  if( w!="" && h!="" )
  {
    window.open( url,"popup","resizable=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,width="+w+",height="+h );
  }
  else
    window.open( url,"popup","resizable=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,width=500,height=400" );
}

function ppopup( url )
{
  window.open( url,"ppopup","resizable=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,width=650,height=600" );
}