.html

<?if ($_SERVER["REQUEST_URI"] == "/index.php"):?> 
<li class="level0 active"><a href="<?=$this->getUrl('')?>index.php"><span>Home</span></a></li> 
<?else:?> 
<li class="level0"><a href="<?=$this->getUrl('')?>index.php"><span>Home</span></a></li> 
<?endif?>

===============

<div class="header-nav-container"> 
<div class="header-nav"> 
<h4 class="no-display"><?php echo $this->__('Category Navigation:') ?></h4> 
<ul id="nav"> 

<?if ($_SERVER["REQUEST_URI"] == "/index.php"):?> 
<li class="level0 active"><a href="<?=$this->getUrl('')?>index.php"><span>Home</span></a></li> 
<?else:?> 
<li class="level0"><a href="<?=$this->getUrl('')?>index.php"><span>Home</span></a></li> 
<?endif?>

<?php foreach ($this->getStoreCategories() as $_category): ?> 
<?php echo $this->drawItem($_category) ?> 
<?php endforeach ?> 

<?if ($_SERVER["REQUEST_URI"] == "/contacts/"):?> 
<li class="level0 active"><a href="<?=$this->getUrl('')?>contacts"><span>Contact Us</span></a></li> 
<?else:?> 
<li class="level0"><a href="<?=$this->getUrl('')?>Musculation"><span>Contact Us</span></a></li> 
<?endif?> 

</ul> 
</div> 
<?php echo $this->getChildHtml('topLeftLinks') ?> 
</div>