I have the following tag which includes a handler for onfocusout. The handler is executed when the user clicks away from the control when the down arrow button or the text area has focus but doesn't execute when the user has selected an item (or item check box) in the item list and then navigates away from the RadComboBox control. How is it possible to have checkNeedToSaveOpportunity(event) executed if the user focuses on a list item and then navigates to some other part of the page?
<telerik:RadComboBox RenderMode="Lightweight" ID="cmbReportTool" filter="Contains" runat="server"
EmptyMessage="Select" oWrap="false"
onfocusout="checkNeedToSaveOpportunity(event)"
OnClientItemChecking="OnCMBClientItemChecking"
class="cmb-report-tool"
CheckBoxes="true"
width="100%">
</telerik:RadComboBox>