a.nav_bar:link		{text-decoration:none; color:#FFFFFF}
a.nav_bar:visited	{text-decoration:none; color:#FFFFFF}
a.nav_bar:active    {text-decoration:none; color:#FFFFFF}
a.nav_bar:hover		{text-decoration:underline; color:#FFD48C}

a.tree_menu:link	{text-decoration:none; color:#0000FF}
a.tree_menu:visited	{text-decoration:none; color:#0000FF}
a.tree_menu:active  {text-decoration:none; color:#0000FF}
a.tree_menu:hover	{text-decoration:underline; color:#0000FF}