Function getSupportEventName

Picviewer CE+/dist.user.js:14181–14189

()

        var addWheelEvent=(function(){

            function getSupportEventName(){
                var ret='DOMMouseScroll';
                if(eventSupported('wheel')){//w3c FF>=17 ie>=9
                    ret='wheel';
                }else if(eventSupported('mousewheel')){//opera,chrome
                    ret='mousewheel';
                }
                return ret;
            };

            var eventName;