How to use an export value (mail address) from a dropdownmenu as mailto address (javascript submit)

Hi all,

I'm struggling with a code i can't write. I've got a dropdownmenu called "Leverende vestiging".

I've got a submit button called "Verzenden". The submit button contains some javascript on Mouse Up.

In the dropdownmenu i use a mail address as export value.

I want to get my export value of my dropdown menu into my code of javascript for my submit button.

Can somebody help me? I've been searching on google, but i didn't find anything that could help me on the way.

Awaiting for your help.

Kind Regards,

Vincent

Mouse up javascript:

// Set up the recipients,subject, body, etc.
var sTo = "dropdownmenu exportvalue";
var sBCC = "";
var sSubject = "Subject";
var sBody = "My body text";

/

/ Set the error messge to display if it doesn't work, \r = carriage return
var sErrorMsg = "Could not send email. Please make sure your email client is set up correctly.\r\r";
sErrorMsg += "Otherwise, save this file and manually attach it to an email to: " + sTo";

// Email the entire document
try {
    mailDoc({
    bUI: true,
    cTo: sTo,
    cBcc: sBCC,
    cSubject: sSubject,
    cMsg: sBody
    });
} catch(e) {
    app.alert(sErrorMsg, 1);
}