browsok = (((navigator.appName == "Netscape")
&& (parseInt(navigator.appVersion) >= 3))
|| ((navigator.appName == "Microsoft Internet Explorer")
&& (parseInt(navigator.appVersion)>=3)));
if(browsok){

     home1 = new Image(117, 28);
     home1.src = "ho1.jpg";
     publ1 = new Image(151, 28);
     publ1.src = "pu1.jpg";
     books1 = new Image(117, 28);
     books1.src = "bo1.jpg";
     resh1 = new Image(117, 28);
     resh1.src = "re1.jpg";

     home0 = new Image(117, 28);
     home0.src = "ho0.jpg";
     publ0 = new Image(151, 28);
     publ0.src = "pu0.jpg";
     books0 = new Image(117, 28);
     books0.src = "bo0.jpg";
     resh0 = new Image(117, 28);
     resh0.src = "re0.jpg";

}
function onmouseon(n){
     if(browsok){
          imageON = eval(n + "1.src");
          document [n].src = imageON;
          }
}
function onmouseoff(n){
     if(browsok){
imageOFF = eval(n + "0.src");
     document [n].src = imageOFF;
          }
}
// end