add:  try { _content.printPreview(); } catch (e) {     } 
context: function BrowserPrintPreview(){  // implement me}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/37a4501149d36bdbf041b94bccf3e6c1c8e1b6bc/navigator.js/buggy/xpfe/browser/resources/content/navigator.js