//var num_count = new Array();
	var num_count = 0;		

	function raf_submit() {
		
		var phone_number = $F('phonenumber');
		
		//if form field is empty, end function		
		if (phone_number != "") {			
			//set count
			if (isNaN(num_count)) {
				num_count = 1;
			} else {
				num_count++;				
			}
		
			//allow user three failures before passing phone number
			if (num_count > 3) {
				$('raf_app_ajax').style.display = "inline";
				$('raf_app_ajax').innerHTML = 'We\'re sorry, the Vonage Phone Number you entered is still not recognized.  Please call 1-800-595-0875 to receive help from a live agent.';
				//return false;
			}
			//would ajax.updater be better?		
			new Ajax.Request( 'includes/referafriend/referafriend_ajax.php', {
				method: 'get',
				parameters:	{ phonenumber: phone_number},
				onSuccess: function( transport ) {
					var json = transport.responseText.evalJSON();
					if (json.error) {
						HitBox('badnumber','/referafriend_hp','DM521113L0CV');
						$('raf_app_ajax').style.display = "inline";
						$('raf_app_ajax').innerHTML = json.error;
					} else {
						HitBox('submit','/referafriend_hp','DM521113L0CV');	
						var tracking = "https://subscribe.vonage.com/vonage-subscribe/index.htm?refer_id=" + phone_number + "&promo_id=DMVONO_WEB";
						$('raf_app_ajax').style.display = "inline";
						$('raf_app_ajax').innerHTML = 'Redirecting. <a href="' + tracking.escapeHTML() + '">Click here if you do not redirect in a few seconds...</a>';
						window.location = tracking;
					}									
				}
			});		
			//return false;
		}	
	}
	
	function reset_input () {
		$('raf_app_ajax').style.display = "none";
		$('raf_app_ajax').innerHTML = "";		
		$('phonenumber').value = "";
		return false;
	}