function sf4_symm(appid){
var text = "<form>";
text += '<select onChange="setsymmoptions(this.value,'+appid+')" id="symm_select_'+appid+'" multiple="multiple" size="4" >';
text += ' <option value="offsymm" selected>No elements selected</option>';
text += ' <option value="c2 1" >C2 </option>';
text += ' <option value="cs 1" >&sigma; 1</option>';
text += ' <option value="cs 2" >&sigma; 2</option>';
text += '</select></form>';
document.write(text);
}