function openMap()
{
    var sUrl = 'ireland-map.asp';
    window.open(sUrl,'mapWin','scrollbars,resizable,status,height=560,width=540'); 
}

function submitForm()
{
	if(document.OptinForm.UEmail.value.length == 0)
		alert('The email address is required');
	else if(document.OptinForm.field26.value.length == 0)
		alert('The Zip Code is required'); 
	else	
		document.OptinForm.submit();
}