This is my radwindow. When i click button its not popup. where is the problem
<script type="text/javascript">
//<![CDATA[
function openWin()
{
var oWnd = radopen("http://www.telerik.com", "RadWindow1");
}
//]]>
</script>
<telerik:RadWindowManager OnClientClose="OnClientClose" OnClientPageLoad="OnClientPageLoad"
OnClientResize="SetWindowBehavior" OnClientShow="SetWindowBehavior" Behaviors="Resize, Close, Maximize, Move"
ID="RadWindowManager" DestroyOnClose="True" RestrictionZoneID="RestrictionZone"
runat="server" Behavior="Resize, Close, Maximize, Move"
InitialBehavior="None" Left="" style="display: none;" Top="">
<Windows>
<telerik:RadWindow ID="RadWindow1" runat="server" Behaviors="Close" OnClientClose="OnClientClose"
NavigateUrl="http://www.telerik.com">
</telerik:RadWindow>
<telerik:RadWindow ID="RadWindow2" runat="server" Width="650" Height="445" Modal="true" NavigateUrl="Dialog2.aspx">
</telerik:RadWindow>
</Windows>
</telerik:RadWindowManager>
<button runat="server" id="sad" onclick="openWin(); return false;">
Choose Destination and date</button>
<script type="text/javascript">
//<![CDATA[
function openWin()
{
var oWnd = radopen("http://www.telerik.com", "RadWindow1");
}
//]]>
</script>
<telerik:RadWindowManager OnClientClose="OnClientClose" OnClientPageLoad="OnClientPageLoad"
OnClientResize="SetWindowBehavior" OnClientShow="SetWindowBehavior" Behaviors="Resize, Close, Maximize, Move"
ID="RadWindowManager" DestroyOnClose="True" RestrictionZoneID="RestrictionZone"
runat="server" Behavior="Resize, Close, Maximize, Move"
InitialBehavior="None" Left="" style="display: none;" Top="">
<Windows>
<telerik:RadWindow ID="RadWindow1" runat="server" Behaviors="Close" OnClientClose="OnClientClose"
NavigateUrl="http://www.telerik.com">
</telerik:RadWindow>
<telerik:RadWindow ID="RadWindow2" runat="server" Width="650" Height="445" Modal="true" NavigateUrl="Dialog2.aspx">
</telerik:RadWindow>
</Windows>
</telerik:RadWindowManager>
<button runat="server" id="sad" onclick="openWin(); return false;">
Choose Destination and date</button>