Fix for scroll wheel not working in Firefox 3 and up.
Fix for scroll wheel not working in Firefox 3 and up.

Closes #102.

Reviewed by me.

kidaa/cappuccino,wangshijin/cappuccino,tolmasky/cappuccino,tancred/cappuccino,rgv151/cappuccino,primalmotion/cappuccino,akshell/cappuccino,deltaprojects/cappuccino,Dogild/cappuccino,zittix/cappuccino,enquora/cappuccino,AlexanderMazaletskiy/cappuccino,deltaprojects/cappuccino,daboe01/cappuccino,daboe01/cappuccino,daboe01/cappuccino,tolmasky/cappuccino,krodelin/cappuccino,Rosch/cappuccino,krodelin/cappuccino,cacaodev/cappuccino,cappuccino/cappuccino,wangshijin/cappuccino,FrankReh/cappuccino,cappuccino/cappuccino,zittix/cappuccino,FrankReh/cappuccino,kidaa/cappuccino,FrankReh/cappuccino,zittix/cappuccino,deltaprojects/cappuccino,eventualbuddha/cappuccino,kidaa/cappuccino,koamac/Cappuccino,tancred/cappuccino,enquora/cappuccino,AlexanderMazaletskiy/cappuccino,primalmotion/cappuccino,krodelin/cappuccino,wangshijin/cappuccino,wangshijin/cappuccino,jarib/cappuccino,koamac/Cappuccino,tancred/cappuccino,kidaa/cappuccino,koamac/Cappuccino,akshell/cappuccino,FrankReh/cappuccino,eventualbuddha/cappuccino,cacaodev/cappuccino,280north/cappuccino,tancred/cappuccino,tolmasky/cappuccino,Dogild/cappuccino,tolmasky/cappuccino,rgv151/cappuccino,krodelin/cappuccino,cappuccino/cappuccino,tolmasky/cappuccino,mrcarlberg/cappuccino,rgv151/cappuccino,mrcarlberg/cappuccino,cappuccino/cappuccino,mrcarlberg/cappuccino,primalmotion/cappuccino,AlexanderMazaletskiy/cappuccino,enquora/cappuccino,jarib/cappuccino,Rosch/cappuccino,wangshijin/cappuccino,280north/cappuccino,primalmotion/cappuccino,mrcarlberg/cappuccino,jiangshen/cappuccino,cappuccino/cappuccino,daboe01/cappuccino,enquora/cappuccino,deltaprojects/cappuccino,eventualbuddha/cappuccino,zittix/cappuccino,kidaa/cappuccino,FrankReh/cappuccino,jiangshen/cappuccino,enquora/cappuccino,AlexanderMazaletskiy/cappuccino,dgvivero/CappCoreData,FrankReh/cappuccino,mrcarlberg/cappuccino,Rosch/cappuccino,daboe01/cappuccino,krodelin/cappuccino,cappuccino/cappuccino,mrcarlberg/cappuccino,rgv151/cappuccino,daboe01/cappuccino,FrankReh/cappuccino,eventualbuddha/cappuccino,primalmotion/cappuccino,Rosch/cappuccino,dgvivero/CappCoreData,Dogild/cappuccino,cacaodev/cappuccino,tancred/cappuccino,Rosch/cappuccino,enquora/cappuccino,deltaprojects/cappuccino,280north/cappuccino,cacaodev/cappuccino,dgvivero/CappCoreData,primalmotion/cappuccino,zittix/cappuccino,zittix/cappuccino,FrankReh/cappuccino,koamac/Cappuccino,Dogild/cappuccino,cacaodev/cappuccino,primalmotion/cappuccino,deltaprojects/cappuccino,Rosch/cappuccino,cappuccino/cappuccino,rgv151/cappuccino,cacaodev/cappuccino,akshell/cappuccino,koamac/Cappuccino,zittix/cappuccino,Dogild/cappuccino,rgv151/cappuccino,cacaodev/cappuccino,AlexanderMazaletskiy/cappuccino,Rosch/cappuccino,dgvivero/CappCoreData,dgvivero/CappCoreData,kidaa/cappuccino,deltaprojects/cappuccino,daboe01/cappuccino,akshell/cappuccino,krodelin/cappuccino,krodelin/cappuccino,tancred/cappuccino,enquora/cappuccino,AlexanderMazaletskiy/cappuccino,wangshijin/cappuccino,280north/cappuccino,Dogild/cappuccino,mrcarlberg/cappuccino,Dogild/cappuccino,rgv151/cappuccino,280north/cappuccino,koamac/Cappuccino,mrcarlberg/cappuccino