function checkfriendform() {

	var ntest = document.friend.contactname.value;
	var ntest2 = document.friend.friendname.value;
	var filter  = /^([a-zA-Z0-9_\.\-\ ])+$/;
	if (filter.test(ntest) && filter.test(ntest2)) {
		var ntest = document.friend.contactemail.value;
		var ntest2 = document.friend.friendemail.value;
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (filter.test(ntest) && filter.test(ntest2)) {
			var ntest = document.friend.friendmessage.value;
			if (!ntest=='') {
				var ntest = document.friend.contactcaptcha.value;
				var filter  = /^([0-9]{6})$/;
				if (filter.test(ntest)) {
					return true;
				}else{
					alert('Invalid security code!');
					return false;
				}
			}else{
				alert('Type your message, please!');
				return false;
			}
		}else{
			alert('Invalid email provided!');
			return false;
		}
	}else{
		alert('Invalid Name provided!');
		return false;
	}
}