webview numbering fix

Tested at: 
+ Biology: http://naginata.cnx.rice.edu:9090/content/col10001/latest/
+ Non-Majors: http://naginata.cnx.rice.edu:9090/content/col10006/latest/
+ Sociology: http://naginata.cnx.rice.edu:9090/content/col10004/latest/
+ Physics: http://naginata.cnx.rice.edu:9090/content/col10003/latest/