Capture event of checkboxes within a repeater

I Have a Repeater with dynamic number of checkboxes (example below). I need to capture the event of when a checkbox is clicked within this repeater. The event should communicate the exact checkbox clicked so I can take appropriate action. Can any one provide an example of how this is done?
<asp:Panel ID="ProductOptionsPanel" runat="server">    <asp:Repeater ID="ProductOptions" runat="server" OnItemDataBound="ProductOptions_ItemDataBound">        <ItemTemplate>             <li>                 <asp:CheckBox runat="server" ID="OptionCheckbox" CssClass="checkbox" />     <div class="holder&qu ...