How can i open my Java aplication...

Hi everybody!
I was wondering how can i open my Java Picture Viewer by presing an picture.
When i am running the program with an argument like this
--> java JPic <path to picture> its ok.
But i want to press the image and automaticly open my Java Program.
How can i do that?
I have to use a native method?
The source of my program is here:
http://aetos.it.teithe.gr/~athoik/myprograms/jpic/jpic.html
Every help IS ACCEPTABLE AND NECESSARY.

I find it how it works. Al you need to do is make a script. So by presing a picture with your
mouse or on shell the program run with the specific picture as input :)
Cool!!
##### For Windos Script .bat ######
@cd C:\
@cd "C:\path to program\"
@java -jar JPic.jar %1
@pause
###### For Linux Script ########
@cd /where the program is
@java -jar JPic.jar $1

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