function validate_form ( ){valid = true;if ( document.form1.ime.value == "" ){alert ( "Molimo unesite ime i prezime..." );valid = false;return valid;}if ( document.form1.telefon.value == "" ){alert ( "Molimo unesite Vas broj telefona..." );valid = false;return valid;}if ( document.form1.email.value == "" ){alert ( "Molimo unesite e-mail za kontakt..." );valid = false;return valid;}if ( document.form1.pitanje.value == "" ){alert ( "Molimo unesite Vase pitanje..." );valid = false;return valid;}return valid;}