// manipulate the DOM to change link path for installation popups...
function changeLinks(ref) {
        var changeLink = document.getElementById('installLink');
        changeLink.href = "javascript:MM_showHideLayers('pop" + ref + "','','show');";
        var changeLink2 = document.getElementById('installLink2');
        changeLink2.href = "javascript:MM_showHideLayers('pop" + ref + "','','show');";
        }