I am trying to make my pages work correctly with IE 8, I found out from here: http://www.masykur.web.id/post/How-to-Make-Our-Website-to-be-Ready-for-IE8.aspx that, my page h
You could have an error in your JavaScript's, if that happens, any JavaScript after that will not function correctly.
Try to remove the reference to login.js and common.js and try an alert within your problematic function.