fixes #820

app/assets/javascripts/utility.js

@@ -73,4 +73,24 @@
     });
     return filtered;
   }
+  
+  $.fn.selectRange = function(start, end) {
+    return this.each(function() {
+      if (this.setSelectionRange) {
+        this.focus();
+        this.setSelectionRange(start, end);
+      } else if (this.createTextRange) {
+        var range = this.createTextRange();
+        range.collapse(true);
+        range.moveEnd('character', end);
+        range.moveStart('character', start);
+        range.select();
+      }
+    });
+  };
+  
+  $.fn.selectEnd = function(){
+    this.selectRange(this.val().length, this.val().length);
+    return this;
+  }
 })();