add select page

app/pub/scripts/anviewer.js

@@ -169,4 +169,17 @@ function startpdfviewer(newcurr){
 }
 
 
+function changepage(){
+
+  var e = document.getElementById("pages");
+  var currpage = e.options[e.selectedIndex].value;
+  var newpage =  baseurl + currpage;
+
+  location.href = newpage;
+
+  return true;
+
+}
+
+