mxGraph.prototype.addMouseListener=function(a){null==this.mouseListeners&&(this.mouseListeners=[]);this.mouseListeners.push(a)};mxGraph.prototype.removeMouseListener=function(a){if(null!=this.mouseListeners)for(var b=0;b<this.mouseListeners.length;b++)if(this.mouseListeners[b]==a){this.mouseListeners.splice(b,1);break}};