function set_menu_hover_style(obj){
    //obj.style.backgroundColor = '#f1f1f1';
    //obj.style.color = '#000';
    //obj.style.cursor = 'hand';
    //obj.style.cursor = 'pointer';

    //obj.className = "sub selected";
}

function set_menu_out_style(obj){
    //obj.style.backgroundColor = '#ffffff';
    //obj.style.color = '#848484';
    // obj.className = "sub off";
}


function trim(s){
    var l = 0;
    var r = s.length - 1;
    while (l < s.length && s[l] == ' ') {
        l++;
    }
    while (r > l && s[r] == ' ') {
        r -= 1;
    }
    return s.substring(l, r + 1);
}