Undefined lang variable

I can see some unexpected changes in general.js included in this site. That leads to undefined lang variable



Our main 'general.js' (in 1.8) has a blank object container defined which is not present in the 'general.js' included in this site:

PHP Code:

/* Lang this! */
var lang = {

}; 


And again, I'd like to mention all the jquery dependent scripts are required to be included after inclusion of jQuery library in page. This is leading to many js failure: