function checkForm() {
	
	var iForm = document.getElementById("form1");

	if (iForm.yourFirstName.value == "")
	{
		alert('Your First Name is a required field.');
		iForm.yourFirstName.select();
		return false;
	}
	
if (iForm.yourLastName.value == "")
	{
		alert('Your Last Name is a required field.');
		iForm.yourLastName.select();
		return false;
	}
	
if (iForm.yourEmail.value == "")
	{
		alert('Your Email is a required field.');
		iForm.yourEmail.select();
		return false;
	}

if (iForm.yourTelephoneNo.value == "")
	{
		alert('Your Telephone No is a required field.');
		iForm.yourTelephoneNo.select();
		return false;
	}	

if (iForm.yourFriendsName1.value == "")
	{
		alert('Your Friends Name is a required field.');
		iForm.yourFriendsName1.select();
		return false;
	}	

if (iForm.yourFriendsEmail1.value == "")
	{
		alert('Your Friends Email is a required field.');
		iForm.yourFriendsEmail1.select();
		return false;
	}
	
if (iForm.yourFriendsTelephoneNo1.value == "")
	{
		alert('Your Friends Telephone No is a required field.');
		iForm.yourFriendsTelephoneNo1.select();
		return false;
	}


		
}