function is_box_empty(input_id,error_message)
{
	var elem = document.getElementById(input_id);
	if(elem.value=='')
	{
		alert(error_message);
		elem.focus();
		return true;
	}
	else
	{
		return false;
	}
}

function validate_form()
{
// Personal Details
	if(is_box_empty("ismi","Please fill all the required fields")) { return false; }
	if(is_box_empty("ulkesi","Please fill all the required fields")) { return false; }
	if(is_box_empty("telefonu","Please fill all the required fields")) { return false; }
	if(is_box_empty("posta_kodu","Please fill all the required fields")) { return false; }
	if(is_box_empty("tarihinden","Please fill all the required fields")) { return false; }
	if(is_box_empty("tarihine","Please fill all the required fields")) { return false; }
	if(is_box_empty("yetiskin_sayisi","Please fill all the required fields")) { return false; }
	if(is_box_empty("cocuk_sayisi","Please fill all the required fields")) { return false; }
	if(is_box_empty("bebek_sayisi","Please fill all the required fields")) { return false; }
	if(is_box_empty("email","Please fill all the required fields")) { return false; }
	return true;
}

function validate_contact_form()
{
// Personal Details
	if(is_box_empty("ismi","Please fill all the required fields")) { return false; }
	if(is_box_empty("mesaj","Please fill all the required fields")) { return false; }
	if(is_box_empty("email_adresi","Please fill all the required fields")) { return false; }
	return true;
}