Hi,
Following topic 6503 I want to disable one field on the form.
This is my code (at least the part which matters)
<TD class=borderedit
style="PADDING-RIGHT: 10px; PADDING-LEFT: 10px; PADDING-BOTTOM: 10px; PADDING-TOP: 10px">
<DIV class=xboxcontentb>
<TABLE cellSpacing=0 cellPadding=4 border=0>
<TBODY>
<TR>
<TD class=editshadeleft_b style="PADDING-LEFT: 15px"
width=263>Soort</TD>
<TD class=editshaderight_lb style="PADDING-LEFT: 10px"
width=842>{build_edit_control field="Soort_product" value=$value_Soort_product mode="edit"}
<IMG src="images/icon_required.gif"> </TD></TR>
<TR>
<TD class=editshade_b style="PADDING-LEFT: 15px"
width=263>Productgroep</TD>
<TD class=editshade_lb style="PADDING-LEFT: 10px"
width=842>{build_edit_control field="Artikel_productgroep" value=$value_Artikel_productgroep mode="edit"}
<IMG src="images/icon_required.gif"> </TD></TR>
<TR>
<TD class=editshade_b style="PADDING-LEFT: 15px"
width=263>Artikel</TD>
<TD class=editshade_lb style="PADDING-LEFT: 10px"
width=842>{build_edit_control field="Artikel" value=$value_Artikel mode="edit"} <IMG
src="images/icon_required.gif"> </TD></TR>
<TR>
<TD class=editshade_b style="PADDING-LEFT: 15px"
width=263>Omschrijving</TD>
<TD class=editshade_lb style="PADDING-LEFT: 10px"
width=842>{build_edit_control field="Artikel_omschrijving" value=$value_Artikel_omschrijving mode="edit"}
</TD></TR>
<TR>
<TD class=editshade_b style="PADDING-LEFT: 15px"
width=263>Bruto prijs</TD>
<TD class=editshade_lb style="PADDING-LEFT: 10px"
width=842>{build_edit_control field="Bruto_prijs" value=$value_Bruto_prijs mode="edit"} </TD></TR>
<TR>
<TD class=editshade_b style="PADDING-LEFT: 15px"
width=263>Aantal</TD>
<TD class=editshade_lb style="PADDING-LEFT: 10px"
width=842>{build_edit_control field="Aantal" value=$value_Aantal mode="edit"} <IMG
src="images/icon_required.gif"> </TD></TR>
<TR>
<TD class=editshade_b style="PADDING-LEFT: 15px"
width=263>Korting</TD>
<TD class=editshade_lb style="PADDING-LEFT: 10px"
width=842>{build_edit_control field="Korting" value=$value_Korting mode="edit"} </TD></TR>
<TR>
<TD class=downedit align=left width=1105 colSpan=2><IMG
src="images/icon_required.gif"> - Verplicht veld </TD></TR>
<TR>
<TD class=downedit align=middle width=1105 colSpan=2><SPAN
class=buttonborder><INPUT class=button type=submit value= Opslaan name=submit1></SPAN>
<SPAN class=buttonborder><INPUT class=button type=reset value= Herstel ></SPAN>
<SPAN class=buttonborder><INPUT class=button onclick="window.location.href='Order_regel_list.asp?a=return'" type=button value=" Terug naar lijst "></SPAN>
<input type=hidden name="a" value="edited"></TD></TR></FORM></TBODY></TABLE></DIV><B
class=xbottom><B class=xb4a></B><B class=xb3a></B><B
class=xb2a></B><B class=xb1a></B></B></TD></TR></TBODY></TABLE></DIV><B
class=xbottom><B class=xb4b4></B><B class=xb3b4></B><B class=xb2b4></B><B
class=xb1b4></B></B></TD></TR></TBODY></TABLE><BR>{include_if_exists file="include/footer.asp"} {$linkdata}<script>SetToFirstControl();</script></BODY></HTML>
<script>
document.forms.editform.value_Soort_product.onchange=function()
{
if(this.options[this.selectedIndex].value=='Dienst')
document.forms.editform.value_Korting.disabled=false;
else
{
document.forms.editform.value_korting.disabled=true;
document.forms.editform.value_Korting.value='';
}
}
</script>
And this is a printscreen of the form.

What I want to do is Disable the field Korting, if Soort is Dienst.
With the code above, it simply disables the field after Dienst for doing its normal job.
Any tips are welcome.
Thanks a million,
John