Slide Show gives errors in Explorer 6 & 7

hi:

just discovered that although the slide shows for our site are working fine in firefox, they do not work on our machines with IE 8 or 6. those users get this error:

Message: Invalid argument.
Line: 12
Char: 12949
Code: 0
URI: http://withage.com/easthill/wp-includes/js/jquery/jquery.js?ver=1.3.2

Message: Object doesn't support this property or method
Line: 607
Char: 7
Code: 0
URI: http://withage.com/easthill/

thank you. denise