function js_print_button($id, $margin, $image, $roll_image, $url) {

  // Table
  document.write("<table border='0' cellspacing='0' cellpadding='0'><tr>");

  // Margin
  document.write("<td width='"+$margin+"'></td>");

  // Button
  document.write("<td width='1' height='15'>");
  if ($url != '')
    document.write("<a href='"+$url+"'>");
  document.write("<img id='b"+$id+"' alt='' src='"+$image+"' border='0'");
  if ($url == '')
    document.write(">");
  else
    document.write(" onMouseOver='document.getElementById(\"b"+$id+"\").src=\""+$roll_image+"\"' onMouseOut='document.getElementById(\"b"+$id+"\").src=\""+$image+"\"'></a>");
  document.write("</td>");

  // Rollover preloader
  if ($url != '')
    document.write("<td width='1' style='background-image: url("+$roll_image+"); background-position: 1px 0px; background-repeat:no-repeat;'></td></tr>");

  document.write("</tr></table>");

  }