if(prevent){ev.preventDefault();}else{Gestures.prevent('track');}}},add:function(node,evType,handler){node=wrap(node);var recognizer=this.gestures[evType];var deps=recognizer.deps;var name=recognizer.name;var gobj=node[GESTURE_KEY];if(!gobj){node[GESTURE_KEY]=gobj={};}
for(var i=0,dep,gd;i<deps.length;i++){dep=deps[i];if(IS_TOUCH_ONLY&&isMouseEvent(dep)&&dep!=='click'){continue;}
gd=gobj[dep];if(!gd){gobj[dep]=gd={_count:0};}