Show the Dialog Wizard based on the Check box value

Question

I have to show the Dialog based on the checkbox value. Intially i have set the checkbox property=True like below

<Property Id="CHECKBOX_1_PROP" Value="TRUE" />

And show the dialog based on the check box values. If it is true i have to show the Newdoalog_1 if it is false i have to show the Setup dialog

<Control Id="Next" Type="PushButton" X="236" Y="243" Width="56" Height="17" Text="[ButtonText_Next]" TabSkip="no" Default="yes">
<Publish Event="SetTargetPath" Value="APPDIR">INSTALL</Publish>
<Publish Event="NewDialog" Value="NewDialog_1">INSTALL AND CHECKBOX_1_PROP="TRUE"</Publish>
<Publish Event="NewDialog" Value="SetupTypeDlg">INSTALL</Publish>
</Control>

<Control Id="CheckBox_1" Type="CheckBox" X="25" Y="164" Width="211" Height="26" Property="CHECKBOX_1_PROP" Text="Do you want to install the Samples" CheckBoxValue="CheckBox" TabSkip="no" Hidden="yes">
<Condition Action="show">INSTALL</Condition>
</Control>  

My Problem is my wizard always show the Setup Dialog that is False condition.

Pls help on this.