add:   if (this._downloadStatus.textContent == status) return; 
context:   _setStatus: function(status) {    while (this._downloadStatus.hasChildNodes())      this._downloadStatus.removeChild(this._downloadStatus.firstChild);    this._downloadStatus.appendChild(document.createTextNode(status));  },
meta: 7628	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7628/3d07721e3172edbb5855cf6b25d2a69389be15d6/updates.js/clean/content/updates.js