var FullyQualifiedDomain
	var aDomain
	var TopLevelDomain
	
	
	FullyQualifiedDomain = document.domain;
	aDomain = FullyQualifiedDomain.split('.');
	
	if (aDomain.length - 1 > 0)
	{
		TopLevelDomain = aDomain.slice(aDomain.length - 2).join('.');
		document.domain = TopLevelDomain;
	}