1) Script Title: simpletreemenu

2) Script URL (on DD): http://www.dynamicdrive.com/dynamicindex1/navigate1.htm

3) Describe problem: Colorcox works fine until I make a link into one of the <li> tags into <ul> section driven by simpletreemenu:

<ul id="treemenu1" class="treeview">
<li>Call us<a href="sample.php" class="contacts" title="free sample">(click here)</a></li>

....etc etc

the <head> section calls the function:
$(document).ready(function(){
$('.contacts').colorbox({width:"80%", height:"80%", iframe:true});

....

one by one both simpletreemenu and colorbox work perfectly.
when I click the link above simply a flat page (edit.php) is displayed not the colorbox iframe page.
Someone Can help me?
Thanks!