"hidden");else{b=mxEvent.getClientX(a);var c=mxEvent.getClientY(a);null==this.dragElement.parentNode&&document.body.appendChild(this.dragElement);this.dragElement.style.visibility="visible";null!=this.dragOffset&&(b+=this.dragOffset.x,c+=this.dragOffset.y);var d=mxUtils.getDocumentScrollOrigin(document);this.dragElement.style.left=b+d.x+"px";this.dragElement.style.top=c+d.y+"px"}mxEvent.consume(a)};