Internet Explorer can give detailed information on Javascript errors with the debugger. You can help us finding problems by providing this information.

The debugger is part of ms office. When IE reports that you do not have a debugger, then install this from the office cd. There is an older version available for download from microsoft.

Select tools, Internet options, Advanced and enable debugging and display notification

You will see several messages popup on which you have to say yes. Then when you see the code, make a screenshot with ctrl-'print screen'