mxVertexHandler.prototype.reset=function(){null!=this.sizers&&null!=this.index&&null!=this.sizers[this.index]&&"none"==this.sizers[this.index].node.style.display&&(this.sizers[this.index].node.style.display="");this.index=this.inTolerance=this.currentAlpha=null;null!=this.preview&&(this.preview.destroy(),this.preview=null);null!=this.ghostPreview&&(this.ghostPreview.destroy(),this.ghostPreview=null);if(this.livePreviewActive&&null!=this.sizers){for(var a=0;a<this.sizers.length;a++)null!=this.sizers[a]&&