function editLimitSelect (frm_name, el_name, curr_el, limit)
{
	frm = document.forms[frm_name];
	el_obj = frm.elements[el_name];
	limit = parseInt (limit);

	var num_sel = 0;
	for (i=0; i<el_obj.length; i++)
	{
		if (el_obj[i].checked)	num_sel++;
	}
	if (num_sel > limit)	curr_el.checked = false;
}