date picker
working sample
javascript
<input ... onkeypress="sjbjl_checkfield(this,event,'mandatory=true,valuetype=date,label=data di test');" ... />
(same as other fields)
html sample
<input type="text" name="test" id="test" value="56/02/1971" onkeypress="sjbjl_checkfield(this,event,'mandatory=true,valuetype=date,label=data di test');" />
note: id and name