requiredFields=new Array("name", "email", "text");
requiredDescriptions=new Array("ФИО", "e-mail", "вопрос");
function checkFields ()
{var i, j
for (i=0; i<requiredFields.length; i++) {
for (j=0; j<document.forms.myForm.length; j++) {
if (document.forms.myForm.elements[j].name == requiredFields[i] && document.forms.myForm.elements[j].value== ""){
   window.alert("Введите, пожалуйста, " + requiredDescriptions[i]);
   document.forms.myForm.elements[j].focus();
   return false;
  }
}
}
return true;}