if ((navigator.userAgent.indexOf("Mozilla/4.0") != -1)||(navigator.userAgent.indexOf("Mozilla/3.0") != -1)) 
{
// top bar...
b1 = new Image();
b1.src = "himages/conectors0.gif";
b1_hi = new Image();
b1_hi.src = "himages/conectors1.gif";

b2 = new Image();
b2.src = "himages/conectivity0.gif";
b2_hi = new Image();
b2_hi.src = "himages/conectivity1.gif";

b3 = new Image();
b3.src = "himages/partners0.gif";
b3_hi = new Image();
b3_hi.src = "himages/partners1.gif";

b4 = new Image();
b4.src = "himages/aboutus0.gif";
b4_hi = new Image();
b4_hi.src = "himages/aboutus1.gif";

b5 = new Image();
b5.src = "himages/contactus0.gif";
b5_hi = new Image();
b5_hi.src = "himages/contactus1.gif";

b6 = new Image();
b6.src = "himages/sitemap0.gif";
b6_hi = new Image();
b6_hi.src = "himages/sitemap1.gif";

/*b7 = new Image();
b7.src = "himages/search0.gif";
b7_hi = new Image();
b7_hi.src = "himages/search1.gif";
*/

b7 = new Image();
b7.src = "himages/products0.gif";
b7_hi = new Image();
b7_hi.src = "himages/products1.gif";
}

function ImgFunc(imgDocID,imgObjName) {

if ((navigator.userAgent.indexOf("Mozilla/4.0") != -1)||(navigator.userAgent.indexOf("Mozilla/3.0") != -1)) {
document.images[imgDocID].src = eval(imgObjName + ".src")
}}