/* */
function validate_form() {
    valid = true;

    if ( document.forms.ContactForm.agreement.checked == false ) {
        alert ( "Please check the agreement" );
        valid = false;
    }
    else if ( document.forms.ContactForm.name.value == "" ) {
        alert ( "Please enter your name" );
        valid = false;
    }
    else if ( document.forms.ContactForm.surname.value == "" ) {
        alert ( "Please enter your surname" );
        valid = false;
    }
    else if ( document.forms.ContactForm.country.value == "" ) {
        alert ( "Please enter your country" );
        valid = false;
    }
    else if ( document.forms.ContactForm.mail.value == "" ) {
        alert ( "Please enter your email-address" );
        valid = false;
    }
    return valid;
}


 /* */
function handleCheckboxChange(checker){
  cOpenID = "";
  if (checker.value == "Industry" && checker.checked == true) cOpenID = "1";
  else if (checker.value == "Construction" && checker.checked == true) cOpenID = "2";
  else if (checker.value == "Shipbuilding" && checker.checked == true) cOpenID = "3";
  else if (checker.value == "KAEFER" && checker.checked == true) cOpenID = "0";

  /*
  if (checker.value == "Industry" && checker.checked == true) cOpenID = "1";
  else if (checker.value == "Offshore" && checker.checked == true) cOpenID = "2";
  else if (checker.value == "Shipbuilding" && checker.checked == true) cOpenID = "3";
  else if (checker.value == "Construction" && checker.checked == true) cOpenID = "4";
  else if (checker.value == "Aerospace" && checker.checked == true) cOpenID = "5";
  else if (checker.value == "KAEFER" && checker.checked == true) cOpenID = "0";
   */

  if (cOpenID != "") accordion1.display(cOpenID);
}