A PDF Viewer Panel for the ExtJS 4.1 Framework - No Browser Plugin required, pure JavaScript. PDF Rendering is done using the great Mozilla PDF.js Library (https://github.com/mozilla/pdf.js).
Ext.create('Ext.ux.panel.PDF', {
title : 'PDF Panel',
width : 489,
height : 633,
pageScale: 0.75, // Initial scaling of the PDF. 1 = 100%
src : 'http://cdn.mozilla.net/pdfjs/tracemonkey.pdf', // URL to the PDF - Same Domain or Server with CORS Support
renderTo : Ext.getBody()
});
For an demo, please visit http://SunboX.github.com/ext_ux_pdf_panel/demo/