//This test only activates script on Netscape 3.0 and above or MSIE 3.01 and above.
var num = parseFloat(navigator.appVersion);
if (navigator.appName == "Netscape" && num >= 3){
var browserVer = 1; //test for browserVer == 1 in all dependent functions
	} else {
if (navigator.appName == "Microsoft Internet Explorer" && num >= 3.01){
var browserVer = 1;
	} else {
var browserVer = 2;
	 }
}
// preload universal images:
if (browserVer == 1) {
home_off = new Image (53,49);
home_off.src = "images/btn_home_off.gif";
home_on = new Image (53,49);
home_on.src = "images/btn_home_on.gif";
nextrio_off = new Image (81,49);
nextrio_off.src = "images/btn_nextrio_off.gif";
nextrio_on = new Image (81,49);
nextrio_on.src = "images/btn_nextrio_on.gif";
contactus_off = new Image (99,49);
contactus_off.src = "images/btn_contactus_off.gif";
contactus_on = new Image (99,49);
contactus_on.src = "images/btn_contactus_on.gif";
sendlink_off = new Image (158,49);
sendlink_off.src = "images/btn_send_off.gif";
sendlink_on = new Image (158,49);
sendlink_on.src = "images/btn_send_on.gif";
}


function hiLite(imgDocID,imgObjName) {
if (browserVer == 1) {
//if (document.images) {
 document.images[imgDocID].src = eval(imgObjName + ".src");
//}
	}
}