var itBannerIndex = 0;
var itTimeoutId = 0;

function timedTransition3()
{
    if (document.getElementById('itBannerImage') != null) 
    {
        showITBanner(itBannerIndex, 2);
    }
}

function showITBanner(index, fadeDuration) 
{
    switch (index)
    {
        case 1:
            itcrossfade(document.getElementById('itBannerImage'),
                '/products/managedservices/images/it-banner-1.jpg',
                fadeDuration,
                'IT Directors banner image 1',
                document.getElementById('itBannerLink'),
                '/products/managedservices/itdirectors.aspx');
            break;

        case 2:
            itcrossfade(document.getElementById('itBannerImage'),
                '/products/managedservices/images/it-banner-2.jpg',
                fadeDuration,
                'IT Directors banner image 2',
                document.getElementById('itBannerLink'),
                '/products/managedservices/itdirectors.aspx');
            break;

        case 3:
            itcrossfade(document.getElementById('itBannerImage'),
                '/products/managedservices/images/it-banner-3.jpg',
                fadeDuration,
                'IT Directors banner image 3',
                document.getElementById('itBannerLink'),
                '/products/managedservices/itdirectors.aspx');
            break;

        case 4:
            itcrossfade(document.getElementById('itBannerImage'),
                '/products/managedservices/images/it-banner-4.jpg',
                fadeDuration,
                'IT Directors banner image 4',
                document.getElementById('itBannerLink'),
                '/products/managedservices/itdirectors.aspx');
            break;
    }
    itBannerIndex = index;
    incrementITBanner();

    if (itTimeoutId != 0)
    {
        clearTimeout(itTimeoutId);
    }
    itTimeoutId = setTimeout("timedTransition3()", 10000);
}

function incrementITBanner()
{
    itBannerIndex += (itBannerIndex == 0 ? 2 :
        itBannerIndex == 4 ? -3 : 1);
}