function checkContactForm()
{
	var message = "";
	var re = /^[^.]+(\.[^.]+)*@([^.]+[.])+[a-z]{2,3}$/;

	if(document.getElementById('contact_name').value == "")
		message += "- Oops. Your name is missing.\n";
	if(document.getElementById('contact_email').value.search(re) != 0)
		message += "- Oops. Your email is wrong of missing.\n";
	if(document.getElementById('contact_query').value == "")
			message += "- Oops. Your message is empty.\n";
	if(document.getElementById('captcha').value == "")
			message += "- Ooops. Test question is empty.";
		
	if(message)
	{
		alert(message);
		return false;
	}
	else
		return true;
}