A javascript error trying to display DWG document

I'm developing an asp.net website. I use the Web CAD SDK control that display dwg files. The dwg file cannot be displayed, I'm getting the following error This is how i call jquery <script src="http://code.jquery.com/jquery-1.7.1.min.js"></script> <script src="http://code.jquery.com/ui/1.9.2/jquery-ui.min.js"></script> could you please help?