// JavaScript Document
function proveri (formular){
	if (formular.ime.value == ''){
		alert ('The field Name must be filled !');
		formular.ime.focus ();
		return false;
	}
	else if (formular.komentar.value == ''){
			alert ('The field Comment must be filled !');
			formular.komentar.focus ();
			return false;
	}
		else if (formular.security_code.value == ''){
			alert ('The field for verification code must be filled !');
			formular.security_code.focus ();
			return false;
	}// ako su svi uslovi iznad ispunjeni
	else{	
	document.kupi.submit();
	return true;
	}
}