Do the typical Dreamweaver rollover links get crawled?
Code example:
<a href="doesthisgetcrawled.html" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image21','','images/compare-r.gif',1)"><img src="images/compare.gif" name="Image21" width="127" height="23" border="0"></a>