RadioButtonList enable disable TextBox

RadioButtonList enable disable TextBox

Hi all

I want disable enable textbox with selected value of radiobuttonlist

Markup
  1. <table>
        <tr>
                <td style="width: 15%;">Property Rights Appraised</td>
                    <td style="width: 22%;">
                        <ww:wwWebRadioButtonList ID="rbtnPropertyRightsAppraised" AutoPostBack="true" runat="server"
                            RepeatDirection="Horizontal" Width="100%">
                                <asp:ListItem Text="Fee Simple" Value="FeeSimple"></asp:ListItem>
                                <asp:ListItem Text="Lease Hold" Value="Leasehold"></asp:ListItem>
                                <asp:ListItem Text="Other(Describe)" Value="Other"></asp:ListItem>
                            </ww:wwWebRadioButtonList>
                    </td>
                    <td style="width: 63%;">
                        <ww:wwWebTextBox ID="txtPropertyRightsApperaised" runat="server" Enabled="false" />
                    </td>
            </tr>
    </table>
















When i select other describe then textbox shuold be enable

Thanx in advance