function showsubmenu(theTable)
{
     if (document.getElementById(theTable).style.display == 'none')
     {document.getElementById(theTable).style.display = 'block';}
}
function hidesubmenu(theTable)
{
     if (document.getElementById(theTable).style.display == 'none')
     {document.getElementById(theTable).style.display = 'none';}
     else
     {document.getElementById(theTable).style.display = 'none';}
}