How to filter check box values in WAD.

Hi Gurus,

In my WAD i am having check box and the object name is defined as 0SEM_CGCOMP, it is a master data info object and having values like CG1,CG2,CG3....CG10. But i want to restrict the values to CG1,CG2,CG3,CG4 only. how can i filter the values?

</object>

</td>

<td class="SAPBEXHLevel2"><object>

<param name="OWNER" value="SAP_BW"/>

<param name="CMD" value="GET_ITEM"/>

<param name="NAME" value="CKBOX_CONS"/>

<param name="ITEM_CLASS" value="CL_RSR_WWW_ITEM_FILTER_CHECBOX"/>

<param name="DATA_PROVIDER" value="DP_1"/>

<param name="GENERATE_CAPTION" value=""/>

<param name="BORDER_STYLE" value="NO_BORDER"/>

<param name="WIDTH" value="240"/>

<param name="GENERATE_LINKS" value=""/>

<param name="IOBJNM" value="0SEM_CGCOMP"/>

<param name="SHOW_LABEL" value=""/>

<param name="TARGET_DATA_PROVIDER_1" value="DP_1"/>

<param name="HORIZONTAL_NUMBER" value="5"/>

ITEM: CKBOX_CONS

</object></td>

Thanks

Raju.k