Revert "-- corr"

This reverts commit 5315c47fcd.

Scripts/AjaxControlToolkit/Debug/CascadingDropDown.debug.js

@@ -129,14 +129,6 @@ Sys.Extended.UI.CascadingDropDownBehavior = function(e) {
     /// <member name="cP:AjaxControlToolkit.CascadingDropDown.enableAtLoading" />
     this._enableAtLoading = false;
 
-    /// <summary>
-    /// Always clear selected item when parent value changes.
-    /// </summary>
-    /// <getter>get_clearSelectedItemOnParentChange</getter>
-    /// <setter>set_clearSelectedItemOnParentChange</setter>
-    /// <member name="cP:AjaxControlToolkit.CascadingDropDown.clearSelectedItemOnParentChange" />
-    this._clearSelectedItemOnParentChange = false;
-
     // Variables
     this._parentElement = null;
     this._changeHandler = null;
@@ -337,7 +329,7 @@ Sys.Extended.UI.CascadingDropDownBehavior.prototype = {
             }
         }
         else {
-            if(list && (Sys.Browser.agent !== Sys.Browser.Firefox) && (Sys.Browser.agent !== Sys.Browser.Safari) && (Sys.Browser.agent !== Sys.Browser.Opera)) {
+            if(list && (Sys.Browser.agent !== Sys.Browser.Safari) && (Sys.Browser.agent !== Sys.Browser.Opera)) {
                 // Fire the onchange event for the control to notify any listeners of the change
                 if(document.createEvent) {
                     var onchangeEvent = document.createEvent('HTMLEvents');
@@ -380,9 +372,6 @@ Sys.Extended.UI.CascadingDropDownBehavior.prototype = {
         // "evt" - set by the browser when called as an event handler (unused here)
         // "inInit" - whether this is being called from the initialize method
 
-        if(this.get_clearSelectedItemOnParentChange())
-            this.set_selectedValue('', '');
-
         var e = this.get_element();
 
         // Create the known category/value pairs string for sending to the helper web service
@@ -726,16 +715,6 @@ Sys.Extended.UI.CascadingDropDownBehavior.prototype = {
         }
     },
 
-    get_clearSelectedItemOnParentChange: function() {
-        return this._clearSelectedItemOnParentChange;
-    },
-    set_clearSelectedItemOnParentChange: function(value) {
-        if(this._clearSelectedItemOnParentChange != value) {
-            this._clearSelectedItemOnParentChange = value;
-            this.raisePropertyChanged('clearSelectedItemOnParentChange');
-        }
-    },
-
     /// <summary>
     /// Fires when selection is changed.
     /// </summary>