потому что вы переопределяете функцию. шесть раз.
| Код |
var formElementsName = ["gender", "job", "bla", "use", "often", "upload"];
var errorMsg = ["Choose your gender!", "Choose if you have a job!", "Answer question number 1", "Answer question number 3!", "Answer question number 5!", "Answer question number 6!"];
function checkform(f) {
if (form.occupation.value == "") {
alert( "Please enter your occupation." );
form.occupation.focus();
return false ;
}
else {
for(n=0; n<formElementsName.length; n++) {
if( !checkFormElement(f, formElementsName[n], errorMsg[n]) ) return false;
}
}
return true;
}
function checkFormElement(f, elName, erMsg) {
for (var i=0; i<f.elements(eName).length; i++) {
var radio = f.elements(eName)[i];
if (radio.checked) {
return true;
}
}
// no checked radio button found
alert(erMsg);
f.elements(elName)[0].focus();
return false;
}
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