[PHP] pobierz, plaintext 
<form method="post" id="form" name="form" onsubmit="return validation()">
Treść:
<textarea id="text" name="text"></textarea>
E-mail:
<input type="text"  name="mail" id="mail" />
Imię:
<input type="text" name="user" id="user" />
<input type="submit" name="submit" class="button" value="Dodaj post" id="submit" />
</form>
 
 
 
<script>
function validation() {
var a = document.form.user.value;
var b = document.form.mail.value;
var c = document.form.text.value;
if (a == "" || b == "" || c == "") 
{
alert("puste pola");
return false;
}
else 
{return true};
}
</script>
[PHP] pobierz, plaintext