if (document.getElementById("tabsDiv"))
{
    var numTabs = document.getElementById("tabsDiv").getElementsByTagName("a").length;

    function ShowTab(index)
    {
        for (var i = 1; i <= numTabs; i++)
        {
            document.getElementById("tab" + i).style.display = "none";
            document.getElementById("link" + i).className = "tabLinkOff";
        }
        
        document.getElementById("tab" + index).style.display = "block";    
        document.getElementById("link" + index).className = "tabLinkOn";
        window.focus();
    }
}