function pop(mylink, windowname)

  {

  if (! window.focus)return true;

  var href;

  if (typeof(mylink) == 'string')

     href=mylink;

  else

     href=mylink.href; 

window.open(href, windowname, 'width=550,height=550,scrollbars=yes,location=no,resizable=yes,toolbar=no,menubar=no,left=250,top=50');

  return false;

  }
  
function pop2(mylink, windowname)

  {

  if (! window.focus)return true;

  var href;

  if (typeof(mylink) == 'string')

     href=mylink;

  else

     href=mylink.href; 

window.open(href, windowname, 'width=560,height=550,scrollbars=yes,location=no,resizable=yes,toolbar=no,menubar=no,left=150');

  return false;

  }