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I have a link on a course page, which jumps you half way down another course page or it should

http://www.xxx.xxx.xx/course/view.php?id=172#section-2

Works fine in Firefox but not in IE, it only jumps to the top of the new page. In IE after it as failed, if you click in the address bar (which has the above in it) loose the highlighting and press enter, it jumps down the page perfectly.

Moodle 1.6.3

I am flumoxed anybody got a clue