diff --git a/xpfe/global/resources/content/bindings/listbox.xml b/xpfe/global/resources/content/bindings/listbox.xml
index 9df6a7cd6b67..30f5e9acc0f0 100644
--- a/xpfe/global/resources/content/bindings/listbox.xml
+++ b/xpfe/global/resources/content/bindings/listbox.xml
@@ -40,7 +40,6 @@
       <constructor>
       <![CDATA[
         var els = this.getElementsByAttribute("selected", "true");
-        this.selectedItems = [];
         for (var i = 0; i < els.length; ++i)
           this.selectedItems.push(els[i]);
       ]]>
@@ -73,6 +72,10 @@
                 onset="if (val) this.setAttribute('disableKeyNavigation', 'true');
                        else this.removeAttribute('disableKeyNavigation'); return val;"/>
 
+      <property name="_selectDelay" 
+                onset="this.setAttribute('_selectDelay', val);"
+                onget="return this.getAttribute('_selectDelay') || 50;"/>
+
       <method name="timedSelect">
         <parameter name="item"/>
         <parameter name="timeout"/>
@@ -138,6 +141,7 @@
         ]]></setter>
       </property>
 
+      <field name="selectedItems">[]</field>
       <property name="selectedItem">
         <getter><![CDATA[
           return this.selectedItems.length > 0 ? this.selectedItems[0] : null;
@@ -514,7 +518,7 @@
          var n = this.getPreviousItem(this.selectedItems[this.selectedItems.length-1], 1);
          if (n) {
            this.ensureIndexIsVisible(this.getIndexOfItem(n));
-           this.timedSelect(n, 500);
+           this.timedSelect(n, this._selectDelay);
          }
         ]]>
       </handler>
@@ -532,7 +536,7 @@
 
          if (n) {
            this.ensureIndexIsVisible(this.getIndexOfItem(n));
-           this.timedSelect(n, 500);
+           this.timedSelect(n, this._selectDelay);
          }
         ]]>
       </handler>
@@ -598,7 +602,7 @@
            }
            this.scrollToIndex(newIndex);
          }
-         this.timedSelect(n, 500);
+         this.timedSelect(n, this._selectDelay);
         ]]>
       </handler>
       <handler event="keypress" keycode="vk_page_down" phase="target">
@@ -623,7 +627,7 @@
            }
            this.scrollToIndex(newIndex);
          }
-         this.timedSelect(n, 500);
+         this.timedSelect(n, this._selectDelay);
         ]]>
       </handler>
       <handler event="keypress" keycode="vk_home" phase="target">
@@ -701,7 +705,7 @@
                this._isUpSelection=0;
                this._isDownSelection=0;
                this.ensureIndexIsVisible(k);
-               this.timedSelect(item, 500);
+               this.timedSelect(item, this._selectDelay);
                break;
              }
            }