diff --git a/source/Ox.UI/js/Form/Input.js b/source/Ox.UI/js/Form/Input.js
index 06dce7b0..72518776 100644
--- a/source/Ox.UI/js/Form/Input.js
+++ b/source/Ox.UI/js/Form/Input.js
@@ -694,12 +694,16 @@ Ox.Input = function(options, self) {
     }
 
     function clickArrow(i) {
+        var originalValue = self.options.value;
         self.options.value = Ox.limit(
             parseFloat(self.options.value) + (i == 0 ? -1 : 1) * self.options.arrowStep,
             self.options.min,
             self.options.max
         ).toString();
-        self.$input.val(self.options.value);//.focus();
+        if (self.options.value != originalValue) {
+            self.$input.val(self.options.value);//.focus();
+            that.triggerEvent('change', {value: self.options.value});
+        }
     }
 
     function clickMenu(data) {
@@ -780,7 +784,7 @@ Ox.Input = function(options, self) {
     function keydown(event) {
         var oldCursor = cursor(),
             oldValue = self.options.value,
-            newValue = oldValue.slice(0, oldCursor[0] - 1),
+            newValue = oldValue.toString().slice(0, oldCursor[0] - 1),
             hasDeletedSelectedEnd = (event.keyCode == 8 || event.keyCode == 46) &&
                 oldCursor[0] < oldCursor[1] && oldCursor[1] == oldValue.length;
         if (