function hideShow (obj)
{
  if (obj.className == "hidden")
    obj.className = "notHidden"
   else
    obj.className = "hidden";
}






function allCheck(form, checkBoxName, allChecked)
{
	for (var i=0; i < form[checkBoxName].length; i++)
	{
		form[checkBoxName][i].checked = allChecked;
	}
}

function sglCheck(form, checkBoxName, checkBoxNameAll)
{
	var c=0
	for (var i=0; i < form[checkBoxName].length; i++)
	{
		if		(form[checkBoxName][i].checked == true)    c++
		else	c--
	}
	if		(c ==  form[checkBoxName].length)    form[checkBoxNameAll].checked = true
	else	form[checkBoxNameAll].checked = false
}