function activate_send_friend(URL, title, lang) {

		new Ajax.Request('/send_friend.php', {
			asynchronous: true,
			method: "get",
			parameters: 'URL=' + URL + '&title=' + title + '&lang=' + lang,
			onSuccess: function(response){
	      $('SendFriend').update(response.responseText);
				Event.observe('BtnSend', 'click', submit_send_friend);
				Event.observe('BtnCancel', 'click', send_friend_cancel);
	    },
			onFailure: function(request){}
			}
		);
}
function submit_send_friend() {
    valid = new Validation('SendFriendForm',{stopOnFirst : true, onSubmit:false});
		if (valid.validate()) {
			parameters_string = $('SendFriendForm').serialize()
		
			new Ajax.Request('/ajax_action.php', {
					asynchronous: true,
					method: "get",
					parameters: 'action=send_friend&' + parameters_string,
					onSuccess: function(response){
			      $('SendFriend').update(response.responseText);
			    }
		    }
			);
			return false;	
		}
}
function send_friend_cancel() {
	$('SendFriend').update('');
}