function subscribe()
	{	
		var cnt = 0;
		
		if(document.formNewsletterSubscribe.elements['subscribegroup[]'].type != "hidden")
		{
			for(x = 0; x < document.formNewsletterSubscribe.elements['subscribegroup[]'].length; x++)
			{
		
				if(document.formNewsletterSubscribe.elements['subscribegroup[]'][x].checked)
				{
					cnt++;
				}
			}
		}
		else
		{
			cnt = 1;
		}
		
		if(cnt == 0)
		{
			alert('U heeft geen nieuwsbrief geselecteerd');
			return false;
		}
		
		if($F('frm_emailadres') == "")
		{
			alert('U heeft geen emailadres ingevoerd');
			return false;
		}
		
		$('formDivNewsletterSubscribe').style.display = 'none';
		$('loadingSubscribeMessage').style.display = 'block';
		
		url = "newsletter/subscribe";
		
		new Ajax.Request(url,    
		{ 
	    	url	: url,
	    	method : 'post',
	      	parameters : Form.serialize('formNewsletterSubscribe'), 
	      	onSuccess : function( response )
	      	{
	      		$('loadingSubscribeMessage').style.display = 'none';
	      		$('confirmSubscribeMessage').style.display = 'block';
	      	},
			onFailure: function( response ) 
	      	{
	     		$('loadingSubscribeMessage').style.display = 'none';
	      		$('failureSubscribeMessage').style.display = 'block';
	      	}
		});
	   
	}