function ob_t2_SelectCheckboxes(bType)
{
    var arrElements = document.getElementsByTagName("input");
    if(arrElements.length)
    {
        for(var i=0; i<arrElements.length; i++)
        {
            if(arrElements[i].type == "checkbox" && ob_elementBelongsToTree(arrElements[i]))
            {
                arrElements[i].checked = bType;
            }
        }
    }
}