Error on switch page and question on backup

Error on switch page and question on backup

When I am accessing the switch page I get this error
 
"Stop running this script?
 
A Script on this page is causing Internet Explorer to run slowly. If it continues to run, your computer may become unresponsive."
 
I did not get this error when I first started out with only 10 switches. But I now have 50+ switches and will be adding more. I am using IE 6 and IE 8.
 
 
Also #2
 
Is there a way to backup the database without shutting down opmanager? Hate to lose data while backing up.
 
Current Info on Opmanager:
8007


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