[jQuery] Internet Explorer line 1 char 1 code 0

I'm using jQuery+drupal and some jQuery plugins. All is ok with
Firefox. But in IE's i'm receiving problem like this.

Line: 1
Char: 1
Error: object expected
URL: http://businessway.am

I have included .js files. How to know where is the problem? In which
file? Line 1? Which file?

If you can please check with this address: http://businessway.am