mxRubberband.prototype.createShape=function(){null==this.sharedDiv&&(this.sharedDiv=document.createElement("div"),this.sharedDiv.className="mxRubberband",mxUtils.setOpacity(this.sharedDiv,this.defaultOpacity));this.graph.container.appendChild(this.sharedDiv);var a=this.sharedDiv;mxClient.IS_SVG&&(!mxClient.IS_IE||10<=document.documentMode)&&this.fadeOut&&(this.sharedDiv=null);return a};mxRubberband.prototype.isActive=function(a,b){return null!=this.div&&"none"!=this.div.style.display};