How to Customize F4 Help in BW Reports in BI 7.0

Hi Experts,

I am working in BI 7.0.We are using 7.0 WAD.

While executing any bw report it is asking for variable screen and we need to give inputs .In this i need to <b>change F4 Help</b>. Suppose i have <b>cal month variable

in f4 help i need to <b>display months in descending order</b> .and also I want display calendar in cal days f4 help.</b>

Like this I have some issues. So i need to do some <b>customizing in F4 help</b> where can i do these changes.

Please help me.

Thanks in advance,

SASIKANTH