if (document.images) {
    tab1imgon = new Image();
    tab1imgon.src = "Tabs/images/1s.jpg";
    tab1imgoff = new Image();
    tab1imgoff.src = "Tabs/images/1u.jpg";

    tab2imgon = new Image();
    tab2imgon.src = "Tabs/images/2s.jpg";
    tab2imgoff = new Image();
    tab2imgoff.src = "Tabs/images/2u.jpg";

    tab3imgon = new Image();
    tab3imgon.src = "Tabs/images/3s.jpg";
    tab3imgoff = new Image();
    tab3imgoff.src = "Tabs/images/3u.jpg";

    tab4imgon = new Image();
    tab4imgon.src = "Tabs/images/4s.jpg";
    tab4imgoff = new Image();
    tab4imgoff.src = "Tabs/images/4u.jpg";

    tab5imgon = new Image();
    tab5imgon.src = "Tabs/images/AgentsS.jpg";
    tab5imgoff = new Image();
    tab5imgoff.src = "Tabs/images/AgentsU.jpg";
}

function showTabOnReload() {

    var elem = document.getElementById('ucTabs1_hdnSelectedTab');
    deselectTabHeaders();
    selectTab(elem.value);
}

function selectTab(tabID) {

    var elem = document.getElementById('ucTabs1_hdnSelectedTab');
        elem.value = tabID;

    //setLogoGraphic(tabID);

    deselectTabHeaders();
    selectTabHeader(tabID);

    deselectTabContents()
    selectTabContent(tabID);
}

function setLogoGraphic(tabID) {

    var img = document.getElementById('logoGraphic');

    if (tabID == "tab1") {
        img.src = 'tabs/Images/logoGraphicLL.jpg';
    }
    else if (tabID == "tab2") {
        img.src = 'tabs/Images/logoGraphic1.jpg';
    }
    else if (tabID == "tab3") {
        img.src = 'tabs/Images/logoGraphicLogin.jpg';
    }
    else if (tabID == "tab4") {
        img.src = 'tabs/Images/logoGraphicContact.jpg';
    }
}

function selectTabContent(tabID) {
    var elem = document.getElementById(tabID + 'Content');
    elem.style.visibility = 'visible';
    elem.style.display = 'block';
}

function deselectTabContents() {

    var elem = document.getElementById('tab1Content');
    elem.style.visibility = 'hidden';
    elem.style.display = 'none';

    var elem = document.getElementById('tab2Content');
    elem.style.visibility = 'hidden';
    elem.style.display = 'none';

    var elem = document.getElementById('tab3Content');
    elem.style.visibility = 'hidden';
    elem.style.display = 'none';

    var elem = document.getElementById('tab4Content');
    elem.style.visibility = 'hidden';
    elem.style.display = 'none';

    var elem = document.getElementById('tab5Content');
    elem.style.visibility = 'hidden';
    elem.style.display = 'none';
}


function selectTabHeader(tabID) {

    imgOn = eval(tabID + "imgon.src");
    var elem = document.getElementById(tabID + 'img');
    elem.src = imgOn;
}

function deselectTabHeaders() {

    var elem = document.getElementById('tab1img');
    elem.src = tab1imgoff.src;

    var elem = document.getElementById('tab2img');
    elem.src = tab2imgoff.src;

    var elem = document.getElementById('tab3img');
    elem.src = tab3imgoff.src;

    var elem = document.getElementById('tab4img');
    elem.src = tab4imgoff.src;

    var elem = document.getElementById('tab5img');
    elem.src = tab5imgoff.src;
}