function OverItemMainMenu(ItemId)
{
	var over = ItemId.id ;
	var name = over.toString();
	var pos = name.length - 5;
	var common = name.substring(0,pos);
	var out = common + "-out";
	
	$(over).style.display = 'none';
	$(out).style.display = 'block';
}

function OutItemMainMenu(ItemId)
{
	var out = ItemId.id ;
	var name = out.toString();
	var pos = name.length - 4;
	var common = name.substring(0,pos);
	var over = common + "-over";
	
	$(over).style.display = 'block';
	$(out).style.display = 'none';
}