add: if (this.maskframe) { this.maskframe.style.display='none'; } 
context: proto.hide = function() {    this.element.style.display = 'none';    this.focussed = false;};
meta: 2380	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2380/8d967aaa6d4f0904d82d747ea414f97cc4d5d1a3/kupudrawers.js/buggy/kupu/common/kupudrawers.js