jQuery.noConflict();
    if (document.images) {
        trailheadson = new Image(100, 25);
        trailheadson.src = "/media/images/trailheads_tab_selected.png";
        
        trailheadsoff = new Image(100, 25);
        trailheadsoff.src = "/media/images/trailheads_tab.png";
        
        tripson = new Image(100, 25);
        tripson.src = "/media/images/trips_tab_selected.png";
        
        tripsoff = new Image(100, 25);
        tripsoff.src = "/media/images/trips_tab.png";
    }
    
    function lightup(imgName){
    
        if (document.images) {
            imgOn = eval(imgName + "on.src");
            jQuery("#" + imgName + "'_tab_img").attr('src', imgOn);
        }
    }
    
    var selectedTab = 'trips';
    
    function turnoff(imgName){
        if (selectedTab != imgName) {
            if (document.images) {
                imgOff = eval(imgName + "off.src");
                jQuery("#" + imgName + "_tab_img").attr('src', imgOff);
            }
        }
    }