var form = document.basic_form; if ( form.first_name.value == "") { alert("You have to enter first name."); form.first_name.focus(); return false; } else if (form.last_name.value =="") { alert("You have to enter last name."); form.last_name.focus(); return false; } else if ( form.head_line.value == "") { alert("You have to enter headline."); form.headline.focus(); return false; } else { form.submit(); }