// JavaScript Document

function submitForm()
{
	var continueToSubmit = true;
	if( continueToSubmit && document.optin.LastName.value.length == 0 )
	{
		continueToSubmit = false;
		alert('You must provide a value for Last_name');
		document.optin.LastName.focus();
	}
	if( continueToSubmit && document.optin.Email.value.length != 0 )
	{
		var emailValue = document.optin.Email.value;
		if( ( emailValue.indexOf( '@' ) <= 0 ) || ( emailValue.indexOf( '.', emailValue.indexOf( '@' ) ) <= 0 ) )
	{
			continueToSubmit = false;
			alert('You must provide a valid email address.');
			document.optin.Email.focus();
		}
	}
	if( continueToSubmit && document.optin.Email.value.length == 0 )
	{
		continueToSubmit = false;
		alert('You must provide a value for Email');
		document.optin.Email.focus();
	}
	if( continueToSubmit && document.optin.FirstName.value.length == 0 )
	{
		continueToSubmit = false;
		alert('You must provide a value for First_name');
		document.optin.FirstName.focus();
	}
	if( continueToSubmit )
	{
		document.optin.submit();
	}
}
function openWindow(url)
{
popupWin = window.open(url, 'openWin', "width=400, height=400, scrollbars=yes");
}