//script found on www.a1javascripts.com
//all credit to unknown author
<!-- hide script from old browsers

window.onerror = null;

var netscape = 0;
var goodIE = 0;
browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3)
{ netscape = 1; }
if (browserName == "Microsof" && browserVer >= 4)
{ goodIE = 1; }
// end error trapping code


if (netscape || goodIE) {

      pic1 = new Image(305,284);
      pic1.src = "images/clips_big_default.gif";
      pic2 = new Image(305,284);
      pic2.src = "images/clips_1_big.gif";
      pic3 = new Image(305,284);
      pic3.src = "images/clips_2_big.gif";
      pic4 = new Image(305,284);
      pic4.src = "images/clips_3_big.gif";
      pic5 = new Image(305,284);
      pic5.src = "images/clips_4_big.gif";
      pic6 = new Image(305,284);
      pic6.src = "images/clips_5_big.gif";

      a1 = new Image(56,43); 
      a1.src = "images/clips_1_sm_off.gif";      
      a2 = new Image(56,43);
      a2.src = "images/clips_1_sm_on.gif";
      b1 = new Image(56,43); 
      b1.src = "images/clips_2_sm_off.gif";
      b2 = new Image(56,43); 
      b2.src = "images/clips_2_sm_on.gif";
      c1 = new Image(56,43); 
      c1.src = "images/clips_3_sm_off.gif";
      c2 = new Image(56,43); 
      c2.src = "images/clips_3_sm_on.gif";
      d1 = new Image(56,43); 
      d1.src = "images/clips_4_sm_off.gif";
      d2 = new Image(56,43); 
      d2.src = "images/clips_4_sm_on.gif";
      e1 = new Image(56,43); 
      e1.src = "images/clips_5_sm_off.gif";
      e2 = new Image(56,43); 
      e2.src = "images/clips_5_sm_on.gif";
}

function hiLite(imgDocID, imgObjName, imgDocID2, imgObjName2) {
if (netscape || goodIE) {
        document.images[imgDocID].src = eval(imgObjName + ".src");
        document.images[imgDocID2].src = eval(imgObjName2 + ".src");

}}

//end hiding -->