i have a custom build js file for a web application. What i get on firefox console is the message "Empty string passed to getElementById()" on a particular line of the code. the error counting, is added by four(4) on every click..at some point the browser starts stucking until it alerts with an error "script has stopped working or is busy on line:36, stop script, or continue" The line is: i have a custom build js file for a web applica