function ShowHide(id1, id2)
{
 if (id1 != '') toggleview(id1);
 if (id2 != '') toggleview(id2);
}
	
function my_getbyid(id)
{
 itm = null;
 if (document.getElementById) {	itm = document.getElementById(id);}
    else if (document.all){itm = document.all[id];}
            else if (document.layers){itm = document.layers[id];}
 return itm;
}

function toggleview(id)
{
 if ( ! id ) return;
 if ( itm = my_getbyid(id) )
    {
     if (itm.style.display == "none"){ my_show_div(itm);}
	else {my_hide_div(itm);}
    }
}

function my_hide_div(itm)
{
 if ( ! itm ) return;
 itm.style.display = "none";
}

function my_show_div(itm)
{
 if ( ! itm ) return;
 itm.style.display = "";
}

function change_cell_color( id, cl )
{
  itm = my_getbyid(id);
  if ( itm ) {	itm.className = cl;}
}

function toggleitem( fid, add )
{
 if ( add )
 {
  my_show_div( my_getbyid( 'info_'+fid  ) );
  my_show_div( my_getbyid( 'h_'+fid  ) );
  my_hide_div( my_getbyid( 's_'+fid  ) );
 }
 else
 {
  my_show_div( my_getbyid( 's_'+fid  ) );
  my_hide_div( my_getbyid( 'info_'+fid  ) );
  my_hide_div( my_getbyid( 'h_'+fid  ) );
 }	
}