Some firefox fixes.
Some firefox fixes.

dweintrop/pencilcode,Dinuka2013513/pencilcode,davidbau/pencilcode,cacticouncil/pencilcode,dweintrop/pencilcode,dweintrop/pencilcode,xinan/pencilcode,davidbau/pencilcode,cacticouncil/pencilcode,dweintrop/pencilcode,xinan/pencilcode,sakagg/pencilcode,davidbau/pencilcode,sakagg/pencilcode,davidbau/pencilcode,PencilCode/pencilcode,xinan/pencilcode,cacticouncil/pencilcode,xinan/pencilcode,cacticouncil/pencilcode,sakagg/pencilcode,Dinuka2013513/pencilcode,davidbau/pencilcode,sakagg/pencilcode,Dinuka2013513/pencilcode,PencilCode/pencilcode,PencilCode/pencilcode,Dinuka2013513/pencilcode,PencilCode/pencilcode