function blockEnter(evt){
  var k=evt.keyCode||evt.which;
  return k!=13;
}
function toggleMember(){
    var thatDate=new Date();
    thatDate.setFullYear(2010,7,2);
    var today = new Date();
  if(document.add.inp_member.checked == true){
    if (thatDate>today) {
      document.add.inp_price.value = "75";
    } else {
      document.add.inp_price.value = "85";
    }   
  } else {
    if (thatDate>today) {
      document.add.inp_price.value = "70";
    } else {
      document.add.inp_price.value = "80";
    }   
  }
}
function checkInputs()
{
  var submit; 
  submit = 1;
  document.add.inp_name.style.border = "";
  document.add.inp_surname.style.border = "";
  document.add.inp_address.style.border = "";
  document.add.inp_housenr.style.border = "";
  document.add.inp_zipcode.style.border = "";
  document.add.inp_city.style.border = "";
  document.add.inp_email.style.border = "";
  document.add.inp_phone.style.border = "";
  document.add.inp_education.style.border = "";
  if(document.add.inp_name.value == ""){
    submit = 0;
    document.add.inp_name.style.border = "1px solid #FF0000";
  }
  if(document.add.inp_surname.value == ""){
    submit = 0;
    document.add.inp_surname.style.border = "1px solid #FF0000";
  }
  if(document.add.inp_address.value == ""){
    submit = 0;
    document.add.inp_address.style.border = "1px solid #FF0000";
  }
  if(document.add.inp_housenr.value == ""){
    submit = 0;
    document.add.inp_housenr.style.border = "1px solid #FF0000";
  }
  if(document.add.inp_zipcode.value == ""){
    submit = 0;
    document.add.inp_zipcode.style.border = "1px solid #FF0000";
  }
  if(document.add.inp_city.value == ""){
    submit = 0;
    document.add.inp_city.style.border = "1px solid #FF0000";
  }
  if(document.add.inp_email.value == ""){
    submit = 0;
    document.add.inp_email.style.border = "1px solid #FF0000";
  }
  if(document.add.inp_phone.value == ""){
    submit = 0;
    document.add.inp_phone.style.border = "1px solid #FF0000";
  }
  if(document.add.inp_education.value == ""){
    submit = 0;
    document.add.inp_education.style.border = "1px solid #FF0000";
  }
  for (var i=0; i < document.add.inp_sex.length; i++)
  {
    if (document.add.inp_sex[i].checked)
    {
      var sexvalue = document.add.inp_sex[i].value;
    }
  }
  if(submit == 1){
    postvaluesofadd(
      document.add.inp_name.value,
      document.add.inp_btwname.value,
      document.add.inp_surname.value,
      //document.add.inp_sex.value,
      sexvalue,
      document.add.inp_address.value,
      document.add.inp_housenr.value,
      document.add.inp_zipcode.value,
      document.add.inp_city.value,
      document.add.inp_email.value,
      document.add.inp_phone.value,
      document.add.inp_day.value,
      document.add.inp_month.value,
      document.add.inp_year.value,
      document.add.inp_member.value,
      document.add.inp_education.value,
      document.add.inp_paymethod.value,
      document.add.inp_extra.value);
    //smallpost(document.add.inp_name.value,document.add.inp_btwname.value,document.add.inp_surname.value);
  }
}