function check_form() {


if (document.survey.gender_male.checked==true && document.survey.gender_female.checked==true) {

      //Kanske byta text??
      alert("Inga hermafroditer tack!");
   //document.anmalan.namn.focus();
   document.getElementById('gender_age').style.border="1px solid red";
   return(false);
}

}


function closepopup() {
document.getElementById("popup").style.display="none"; 
}