function toggleMenu(objID) 
{
	if (!document.getElementById) return;

	var ob = document.getElementById(objID);

	ob.style.display = (ob.style.display == 'none')?'block': 'none';

	var name = objID + '_H';
	var ob1 = document.getElementById(name);
	ob1.className = (ob1.className == 'mH_C')?'mH_O': 'mH_C';
}