function toggleDocRow(oLink, id)
{
    var oRow = document.getElementById("" + id);

    if(oLink.className == "doc_link_expand")
    {
        oRow.className = "doc_entry_info";
        oLink.className = "doc_link_collapse";
    }
    else
    { 
        oRow.className = "doc_entry_info_hidden";        
        oLink.className = "doc_link_expand";
    }
}