function hover_menu(menu,hover)
	{
	var c=menu.childNodes.length;
	for (var i=0;i<c;i++)
		if(menu.childNodes[i].nodeName=='LI')
			if(hover)
				{if(menu.childNodes[i].className=='mm_selected')
					{menu.childNodes[i].className='mm_selected_prev';
					break;
					}
				}
			else
				if(menu.childNodes[i].className=='mm_selected_prev')
					{menu.childNodes[i].className='mm_selected';
					break;
					}
	}
function hover_menu_item(item,hover)
	{
	if(hover)
		{if(item.className==''||item.className!='mm_selected_prev')
			item.className='mm_selected selected_with_js';
		}
	else
		if(item.className=='mm_selected selected_with_js')
			item.className='';
	}