IE 7 Problems - javascript

Hi all

I have a javascript used in a PHP site that causes me some trouble.
IE does not respond in the expected way.
What the script is supposed to do is to hide and show text. What happens is that the script redirects to the root of my site.
Check it out and view the source at http://www.landsnett.no/modules.php?mod=checkout

The script is activated by clicking on one of the questoin mark images.

If anyone can see what causes this problem, it is highly appreciated.

<script language="JavaScript">
{literal}
<!--//
function GetInfo(container)
{
var show = document.getElementById('container' + container);
show.style.display = "block";//show selected info
var containers = new Array();//initialize array
{/literal}
{foreach from=$cat_data item=item}
containers.push({$item.id});//add each to the end of array
{/foreach}
{literal}
for (var i=0; i<containers.length; i++) { //loop through array and hide all but show
var idContainer = 'container' +  containers[i];
if (idContainer != container) {
document.getElementById(idContainer).style.display = "none";
}
}
}
//-->
{/literal}
</script>

Code (markup):

<a id="moreLink" href="#" onClick="GetInfo('container[[id]]');return false;">
<img src = "templates/meldinn/images/help.png" border="0" alt="Info"></a>
<div id="container[[id]]" style="display:none">[[description]]<br></div>

HTML:

Regards

Oyvind