function m_scroll(){
        top.document.location="#error"
    }

//////////////////////////////////
// rollover functions
//
    var roll_object;
    function roll_over(div_id, src_id, keep_visible) {
//    alert ('aaaaaaaaaa');
        div = document.getElementById(div_id);
        src = document.getElementById(src_id);
        roll_object = div;
        div.style.visibility = 'visible';
        if (!keep_visible){
            src.onmouseout = roll_out;
        }
    }

    function ower_over(div_id, src_id, keep_visible) {
        div = document.getElementById(div_id);
        src = document.getElementById(src_id);
        roll_object = div;
        div.style.visibility = 'hidden';
        if (!keep_visible){
            src.onmouseout = roll_out;
        }
    }

    function roll_out() {
        roll_object.style.visibility = 'hidden';
    }