I know it has been discussed and turned down many times but just read few lines on the alternate solution:
If i can recollect correctly then reason for disabling "right click" was to avoid copy-paste from site. What about "disabling the selection" at the first place? If you can't even select any text from IGT pages you wont be able to copy them at all.
This way you can achieve what you want and everyone will get "right click" back.
Does it make any sense?