Handle ajax slider events

<script type="text/javascript">
<!--

function pageLoad(sender, e) {
    var startslider = $find('startSliderBehavior');
    startslider.add_valueChanged(onValueChanged);
    onStartValueChanged(startslider, null);
}

function onValueChanged(sender, e) {
    //sender is the startSliderBehavior object
    time = sender.get_Value();              
    clientID = '<%= FindNestedControl(fvMain, "lblStartSlider") == null ? "" : FindNestedControl(fvMain, "lblStartSlider").ClientID %>'
    if (clientID != "")
      document.getElementById(clientID).innerHTML = ConvertIntToTimeString(time);
}
-->
</script>

<asp:TextBox ID="tbSliderStart" runat="server" Style="right: 0px" Text='<%# Bind("AssetReferenceMetaStart") %>' />

<asp:Label ID="lblStartSlider" runat="server" Style="font-size: 80%;" Text="00:00:00" />

<ajaxToolkit:SliderExtender ID="SliderExtender1" runat="server" EnableHandleAnimation="true" TargetControlID="tbSliderStart" Minimum="0"Maximum="7200" BehaviorID="startSliderBehavior" />