function subgroups_my(obj)
{
    var nested = document.getElementById(obj.id+"_sub");
//alert(nested);

    if(nested.style.display=='none')
    {
        nested.style.display='block';
 document.getElementById(obj.id+"_i").style.backgroundImage='url(/img/lm_bull_a.gif)';
    }
    else
    {
        nested.style.display='none';
 document.getElementById(obj.id+"_i").style.backgroundImage='url(/img/lm_bull.gif)';
    }

}

function sub_subgroups_my(obj)
{
    var nested = document.getElementById(obj.id+"_sub");
//alert(nested);

    if(nested.style.display=='none')
    {
        nested.style.display='block';
 document.getElementById(obj.id+"_i").style.backgroundImage='url(/img/lm_bull_sub_a.gif)';
    }
    else
    {
        nested.style.display='none';
 document.getElementById(obj.id+"_i").style.backgroundImage='url(/img/lm_bull_sub.gif)';
    }

}