Fix destination name for 'Fit' zoom levels in hash params

web/viewer.js

@@ -1328,6 +1328,9 @@ var PDFView = {
   },
 
   setHash: function pdfViewSetHash(hash) {
+    var validFitZoomValues = ['Fit','FitB','FitH','FitBH',
+      'FitV','FitBV','FitR'];
+
     if (!hash) {
       return;
     }
@@ -1352,10 +1355,13 @@ var PDFView = {
         // it should stay as it is.
         var zoomArg = zoomArgs[0];
         var zoomArgNumber = parseFloat(zoomArg);
+        var destName = 'XYZ';
         if (zoomArgNumber) {
           zoomArg = zoomArgNumber / 100;
+        } else if (validFitZoomValues.indexOf(zoomArg) >= 0) {
+          destName = zoomArg;
         }
-        dest = [null, {name: 'XYZ'},
+        dest = [null, { name: destName },
                 zoomArgs.length > 1 ? (zoomArgs[1] | 0) : null,
                 zoomArgs.length > 2 ? (zoomArgs[2] | 0) : null,
                 zoomArg];