function SwitchTab(elem, jquery) {
    //var elements = document.getElementById(elem.id).getElementsByTagName('div');
    var elements = jquery == undefined ? elem.getElementsByTagName('div'): jquery;
    if (elements.length > 0) {
        elements[0].style.display = 'block';
        elem.onmouseout = function() {
            elements[0].style.display = 'none';
        };
    }
}