js: offsetScroll to elements that are found

rhodecode/templates/changeset/changeset.html

@@ -375,7 +375,9 b''
           if (location.hash) {
             var result = splitDelimitedHash(location.hash);
             var line = $('html').find(result.loc);
-            offsetScroll(line, 70);
+              if (line.length > 0){
+                  offsetScroll(line, 70);
+              }
           }
 
           // browse tree @ revision

rhodecode/templates/files/files.html

@@ -177,7 +177,9 b''
                         var _first_line = $('#L' + h_lines[0]).get(0);
                         if (_first_line) {
                             var line = $('#L' + h_lines[0]);
-                            offsetScroll(line, 70);
+                            if (line.length > 0){
+                                offsetScroll(line, 70);
+                            }
                         }
                     }
                 }

rhodecode/templates/pullrequests/pullrequest_show.html

@@ -415,7 +415,9 b''
         if (location.hash) {
           var result = splitDelimitedHash(location.hash);
           var line = $('html').find(result.loc);
-          offsetScroll(line, 70);
+            if (line.length > 0){
+                offsetScroll(line, 70);
+            }
         }
         $(function(){
             ReviewerAutoComplete('user');