Fixed non-working save button on Firefox 21 (issue #49(
Fixed non-working save button on Firefox 21 (issue #49(

mcanthony/jsoneditor,amitdesai03/jsoneditor,cesarmarinhorj/jsoneditor,cesarmarinhorj/jsoneditor,josdejong/jsoneditor,mef/jsoneditor,imkevinyang/jsoneditor,2947721120/jsoneditor,amitdesai03/jsoneditor,tomalec/jsoneditor,mcanthony/jsoneditor,mcanthony/jsoneditor,cobblers-children/jsoneditor,tomalec/jsoneditor,liukd/jsoneditor,cobblers-children/jsoneditor,mef/jsoneditor,amitdesai03/jsoneditor,toanalien/jsoneditor,2947721120/jsoneditor,shuai959980629/jsoneditor,liukd/jsoneditor,2947721120/jsoneditor,cobblers-children/jsoneditor,toanalien/jsoneditor,DavidGarciaCat/JSON-Editor-Online,josdejong/jsoneditor,dbirchak/jsoneditor,toanalien/jsoneditor,liukd/jsoneditor,cesarmarinhorj/jsoneditor,mef/jsoneditor,imkevinyang/jsoneditor,shuai959980629/jsoneditor,dbirchak/jsoneditor,shuai959980629/jsoneditor,jayphelps/jsoneditor,jayphelps/jsoneditor,dbirchak/jsoneditor,jayphelps/jsoneditor,DavidGarciaCat/JSON-Editor-Online,imkevinyang/jsoneditor