// JavaScript Document
<!--
if (document.images) {
    navImage1_off = new Image(); navImage1_off.src = "images/nav_profile.gif";
    navImage1_on = new Image(); navImage1_on.src = "images/nav_profile_on.gif";

    }
    

function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_on.src");            
        }
}

function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_off.src");
        }
}
//-->