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function CleanGuid(id)
{
	var guid = id.replace("{", "");
	guid = guid.replace("}", "");
	return guid.toLowerCase();
}

function SetLookupValue(field, logicalName, id, name)
{
	var attribute = Xrm.Page.getAttribute(field);
	if(attribute === undefined || attribute == null)
	{
		return;
	}
	
	var value = attribute.getValue();

	if(value != null && CleanGuid(value[0].id) == CleanGuid(id))
	{
		return;
	}

	attribute.setValue([{
		id: id,
		name: name,
		entityType: logicalName
	}]);
	attribute.setSubmitMode("always");
}