Война с ие6, обсуждение стратегии! - Joomla 1.5, Шаблоны: Как сделать ...

<div class="menu_block">
<ul class="menu">
<li class="leaf first active-trail"><a href="/#" title="" class="active">Меню1</a></li>
<li class="leaf"><a href="/#" title="">Меню2</a></li>
<li class="leaf"><a href="/#" title="">Меню3</a></li>
</ul>
</div>

<div class="menu_block">
<ul class="menu">
<li class="leaf first"><a href="/#" title="" class="active">Меню1</a></li>
<li class="leaf active-trail"><a href="/#" title="">Меню2</a></li>
<li class="leaf"><a href="/#" title="">Меню3</a></li>
</ul>
</div>

.menu_block ul li.active-trail {
	background:url(images/menu_active_bg.gif) no-repeat right;
	padding: 0 33px 0 0;
	position:relative;
	left: -27px;
	margin-right: -27px;
}

.menu_block ul li.first.active-trail {
	background:url(images/menu_active_bg.gif) no-repeat right;
	position:static;
	left: 0;
	margin: 0;
}

.menu_block ul li.active-trail {}
и
.first.active-trail {}

<li class="leaf active-trail"><a href="/#" title="" class="active">Меню2</a></li>
<li class="leaf first active-trail"><a href="/#" title="" class="active">Меню1</a></li>