function submitEmailOptIn(spId, gaCode, addrField, signupDiv, resultDiv) {
	var emailGATracker = new gaTracker();
	emailGATracker.addGACode('email', gaCode);
	var emailList = new silverPopList();
	emailList.setAddrField(addrField);
	emailList.setEmail(spId, '');
	emailList.setGATracker(emailGATracker);
	emailList.setOnEmailSubmit(function(){
		$j('#' + signupDiv).fadeOut('slow', function(){ $j('#' + resultDiv).fadeIn('slow'); });
	});
	emailList.setOnInvalidEmail(function(){
		$j('#' + addrField).css('border-color','red');
	});
	emailList.doListSubmit();
}