function expand(name)
{
        var div = document.getElementById('d_'+name);
        var img = document.getElementById('i_'+name);

        div.style.display = div.style.display=='block'? 'none': 'block';
        img.src = img.src.match('gfx/dot_cl.png')? 'gfx/dot_op.png': 'gfx/dot_cl.png';

        return false;
}
function collapse(name)
{
        document.getElementById('d_'+name).style.display = "none";
}