Disabling java applet warning for printing - repost 2

I have a little java applet on my webpage that prints ticket and invoice to the DotMatrix printer. (This is my printer: [login to view URL] ) I want to prevent "Java Applet Warning", because when I try to print something. I'm looking for a solution for this. This is NOT public application. I'm using this java applet with 20-30 client. My clients uses windows XP, windows 7 and Firefox. Since now, I used it with manualy add this line to [login to view URL] file: permission [login to view URL] "queuePrintJob"; (in [login to view URL] file) But, it's problem on java upgrade. Because, I need to edit policy file manualy on every client when java is updated :( Who will send solution first, I'll select is as winner. My budget is $38 and I want to finish this job this this week. I want source code of solution. Exe program solution is not approved. Note: You can check my applet on this page [login to view URL]