setNavHighlightButton();

    function performHighlight(ElementID,ImageName,Alt)
    {
      var Elem = document.getElementById(ElementID);
      SelectedNav(ElementID);
      NavOverL(Elem, ImageName, Alt);

    }

    function switchHighlight(ElementID)
    {

        switch (ElementID) {

            case bioType.toUpperCase():
                performHighlight('HOME', homeOverImg,'Home');
                break;
            case testimonialType.toUpperCase():
                performHighlight('HOME', homeOverImg,'Home');
                break;
            case ratesType.toUpperCase():
                performHighlight('HOME', homeOverImg,'Home');
                break;
            case linksType.toUpperCase():
                performHighlight('HOME', homeOverImg,'Home');
                break;
            case '':
                performHighlight('HOME', homeOverImg,'Home');
                break;
            case 'SCENIC':
                performHighlight('SCENIC', scenicOverImg,'Scenic');
                break;
            case 'FASHION':
                performHighlight('FASHION', fashionOverImg,'Fashion');
                break;
            case 'PORTRAITS':
                performHighlight('PORTRAIT', portraitOverImg,'Portraits');
                break;
            case 'GLAMOUR':
                performHighlight('GLAMOUR', glamourOverImg,'Glamour');
                break;
            case 'INTIMATE':
                performHighlight('INTIMATE', intimateOverImg,'Intimate - suitable for those over 18');
                break;
            case 'ARCHIVES':
                performHighlight('ARCHIVE', archiveOverImg,'Archives');
                break;
            case 'EVENTS':
                performHighlight('EVENTS', eventsOverImg,'Events');
                break;
            default:
                //alert("missed case in switchHighlight");
        }

    }


    function setNavHighlightButton() {

        var URL = document.location.href.toUpperCase();
        var upperURL = BaseURL.toUpperCase();
        var remainder = URL.replace(upperURL,'')

        if ((remainder=='EVENTS')||(remainder==linksType.toUpperCase())||(remainder=='ARCHIVES')||(remainder=='')||(remainder=='SCENIC')||(remainder=='FASHION')||(remainder=='PORTRAITS')||(remainder=='GLAMOUR')||(remainder=='FASHION')||(remainder=='INTIMATE')||(remainder==bioType.toUpperCase())||(remainder==testimonialType.toUpperCase())||(remainder==ratesType.toUpperCase())){

         switchHighlight(remainder)
        }

        else
        {
           //set highlight by breadcrumb
           setNavHighlightbyBreadcrumb();
        }

    }

function setNavHighlightbyBreadcrumb()
{

    var breadcrumb = document.getElementById('breadCrumbTrail');
    var hyperlinks = breadcrumb.getElementsByTagName("A");
    var category = hyperlinks[1].innerHTML.toUpperCase();
    switchHighlight(category);

}