Problem on Ubuntu 12.04: java.lang.UnsatisfiedLinkError: no swt-mozilla-gtk-3346

HI all,
whenever i try to test the designed Xaction file in Design studio i get MOZILLA_FIVE_HOME not set error.

when i try with the command sudo apt-get install xulrunner-1.9.2 get the error that there is no package called xulrunner

and when i run command install xulrunner 1.9.2 [with path] i get the below error

sripada@sripadaR:~$ install xulrunner-1.9.2 /home/sripada/.swt/lib/linux/x86/libswt-mozilla-gtk-3740.so
install: cannot stat `xulrunner-1.9.2': No such file or directory

Please help.
Thanks in advance,

Thanks in advance.
Malibu