var dpp_prev_borderStyle = "";
function highlight(elem)
{
    if (elem)
    {
        //save old style
        dpp_prev_borderStyle = elem.style.border;
        elem.style.cursor='pointer';
        elem.style.backgroundColor='#e8f7da';
        elem.style.border='solid thin #C2E89C';
    }
}
function unhighlight(elem)
{
    if (elem)
    {
        elem.style.backgroundColor='';
        elem.style.border='solid thin #f1f3f1';
    }
}