I have seen a complex discussion with mutiple radio's etc, but I would like to be selectbox (name: Pers_Diner) only visible when for selectbox (name:Diner)"Ja" is selected
<div class="form_item">
<div class="form_element cf_dropdown">
<label class="cf_label" style="width: 150px;">Gebruik Diner</label>
<select class="cf_inputbox validate-selection" id="select_1" size="1" title="U bent vergeten of u het diner wenst te bruiken!" name="Diner">
<option value="">Diner</option>
<option value="Ja">Ja</option>
<option value="Nee">Nee</option>
</select>
<a class="tooltiplink" onclick="return false;"><img height="16" border="0" width="16" class="tooltipimg" alt="" src="components/com_chronocontact/css/images/tooltip.png"/></a>
<div class="tooltipdiv">Diner :: Vul hier in of u gebruik wilt maken van het diner</div>
</div>
<div class="cfclear"> </div>
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<div class="form_item">
<div class="form_element cf_dropdown">
<label class="cf_label" style="width: 150px;">Aantal diner</label>
<select class="cf_inputbox validate-selection" id="select_1" size="1" title="U bent vergeten met hoeveel personen u van het diner gebruik willen maken!" name="Pers_Diner">
<option value="">Aantal</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
<a class="tooltiplink" onclick="return false;"><img height="16" border="0" width="16" class="tooltipimg" alt="" src="components/com_chronocontact/css/images/tooltip.png"/></a>
<div class="tooltipdiv">Pers_Diner :: Vul hier het aantal personen in die gebruik willen maken van het diner</div>
</div>
<div class="cfclear"> </div>