rem: var browser = getBrowser(); browser.setAttribute("handleCtrlPageUpDown", "true"); 
add: gBrowser.setAttribute("handleCtrlPageUpDown", "true"); 
context: function BrowserExitPrintPreview(){  gInPrintPreviewMode = false;  var browser = getBrowser();  browser.setAttribute("handleCtrlPageUpDown", "true");  // exit print preview galley mode in content area  var ifreq = _content.QueryInterface(    Components.interfaces.nsIInterfaceRequestor);  var webBrowserPrint = ifreq.getInterface(    Components.interfaces.nsIWebBrowserPrint);       webBrowserPrint.exitPrintPreview();   _content.focus();  // remove the print preview toolbar  var navToolbox = document.getElementById("navigator-toolbox");  var printPreviewTB = document.getElementById("print-preview-toolbar");  navToolbox.parentNode.removeChild(printPreviewTB);  // restore chrome to original state  toggleAffectedChrome(false);  // restore old onclose handler if we found one before previewing  var mainWin = document.getElementById("main-window");  mainWin.setAttribute("onclose", gOldCloseHandler);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/9a90fd69329163919e8e93ba3d72a613528d60dd/browser.js/clean/browser/base/content/browser.js