Applet getting hang on Google Chrome
You can use applet deploy example. Script deployJava.js add to your page diffrent tags (applet, object or embed) according to your or your client browser.
I had big problem with unresponsive pages and I put my solution here - similar question on stackoverflow.
try this site for your issue. Make sure call Applet function after applet is fully loadedhttp://springflex.blogspot.com/2014/09/my-practices-to-resolve-applet-stuck.html