function submitForm()
{
	var continueToSubmit = true;
	if( continueToSubmit && document.optin.OILB_EMAIL.value.length != 0 )
	{
		var emailValue = document.optin.OILB_EMAIL.value;
		if( ( emailValue.indexOf( '@' ) <= 0 ) || ( emailValue.indexOf( '.', emailValue.indexOf( '@' ) ) <= 0 ) )
	{
			continueToSubmit = false;
			alert('You must provide a valid email address.');
			document.optin.OILB_EMAIL.focus();
		}
	}
	if( continueToSubmit && document.optin.OILB_EMAIL.value.length == 0 )
	{
		continueToSubmit = false;
		alert('You must provide a value for Email.');
		document.optin.OILB_EMAIL.focus();
	}
	if( continueToSubmit && document.optin.OILB_FIRSTNAME.value.length == 0 )
	{
		continueToSubmit = false;
		alert('You must provide a value for Name.');
		document.optin.OILB_FIRSTNAME.focus();
	}
	if( continueToSubmit && document.optin.OILB_185545.value.length == 0 )
	{
		continueToSubmit = false;
		alert('You must provide a value for Date of Birth.');
		document.optin.OILB_185545.focus();
	}
	if( continueToSubmit )
	{
		document.optin.submit();
	}
}