function validate(formular) {

if (formular.text.value == "") {
 alert("You don't have any question?.");
 formular.text.focus();
 return false;
 }


if (formular.jmeno.value == "") {
 alert("Please fill in your name.");
 formular.jmeno.focus();
        return false;
 }

if (formular.kontakt.value == "") {
 alert("Please fill in your e-mail or phone.");
 formular.kontakt.focus();
 return false;
 }

if (formular.kod.value == "") {
 alert("Please fill in the security code.");
 formular.kod.focus();
 return false;
 } 

}