var _container = null;
	var _function = null;
	var _newsletter = null;
	var _status = null;
	
	function updateNewsletter(address, newsletter, container,status)
    {
		if(_container != null)
			return;
		_container = container;
		_function = status;
		_newsletter = newsletter;
		_status = status;
		if(UpdateStatusChange)
			UpdateStatusChange("start");
		
		
		try
    	{
    	var client = createXMLHttpRequest();
		if(status)
			code = "s";
		else
			code = "u"
		
    	var url = "/templates/Global.Utility.NewsletterUpdate.api?l=282036&" + code + "=" + newsletter + "&e=" + address
		var now = new Date();
    	url = url + "&t=" + now.getTime()
        	client.open("GET",url,true);
		client.setRequestHeader("Content-Type", "application/x-javascript;");
    	client.onreadystatechange = function(){
    	if (client.readyState == 4) {
                    if (client.responseText) {
                        returnStatus(client);
                          
                    }
                }
    	};
    	 
    	 client.send(null);
    	 }
    	 catch(err)
    	 {
	 	if(UpdateStatusChange)
	 	{
			UpdateStatusChange("false");
		}
		_container = null;
		_function = null;
		_newsletter = null;
		_status = null;
    	 }
    
    
    }
    
    function returnStatus(response)
    {
		var result = "false";
		try
    	{
    	var xmlObject = response.responseXML;
    	if(xmlObject != null)
    	{
    		var root = xmlObject.documentElement;
    		if(root != null)
    		{
    			var resultNode = root.getElementsByTagName("success")
    			if((resultNode != null)&&(resultNode.length > 0))
    			{
					result = resultNode[0].firstChild.nodeValue;	
    			}
    			
    		}
    	}
    	}
    	catch(err)
    	{
			result = "false"
    	}
		
		if(UpdateStatusChange)
			UpdateStatusChange(result);
			
		_container = null;
		_function = null;
		_newsletter = null;
		_status = null;
    
    	
    }