if (document.images) {

  // rhs on images
  
  sel_ppcon = new Image();
  sel_ppcon.src = "/images/select_ppc_lit.gif";
  
  sel_phoneon = new Image();
  sel_phoneon.src = "/images/select_phone_lit.gif";
  
  sel_palmon = new Image();
  sel_palmon.src = "/images/select_palm_lit.gif";

  sel_palmmacon = new Image();
  sel_palmmacon.src = "/images/select_palm_mac_lit.gif";

  sel_palmpcon = new Image();
  sel_palmpcon.src = "/images/select_palm_pc_lit.gif";


  // rhs off images
  
  sel_ppcoff = new Image();
  sel_ppcoff.src = "/images/select_ppc_unlit.gif";
  
  sel_phoneoff = new Image();
  sel_phoneoff.src = "/images/select_phone_unlit.gif";
  
  sel_palmoff = new Image();
  sel_palmoff.src = "/images/select_palm_unlit.gif";

  sel_palmmacoff = new Image();
  sel_palmmacoff.src = "/images/select_palm_mac_unlit.gif";

  sel_palmpcoff = new Image();
  sel_palmpcoff.src = "/images/select_palm_pc_unlit.gif";


}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}