function bgHover(divNum, path)
{
    document.getElementById(divNum).style.background = 'url(' + path + ')';
}

function bgOff(divNum)
{
    document.getElementById(divNum).style.background = 'none';
}

function toggleBox(divOn, numTabs) 
{
    var tabNum = numTabs;
    
    for(i = 1; i < tabNum; i++)
    {
        document.getElementById('tab-content-' + i).style.visibility = "hidden";
        document.getElementById('tab-' + i).className = "off";
    }
    document.getElementById('tab-content-' + divOn).style.visibility = "visible";
    document.getElementById('tab-' + divOn).className = "active";
}

function imagePreload() {
    new Image().src = '/MBASite/images/Home/perfect_over.jpg';
    new Image().src = '/MBASite/images/Home/book_over.jpg';
    new Image().src = '/MBASite/images/Home/gmat_links_on.jpg';
    new Image().src = '/MBASite/images/Home/testing_center_over.jpg';
}