function addFriend(uid)
    {
            new Ajax.Request("assets/inc/friends.php", 
                    {
						method: 'post',
						postBody: '&addfriend='+ uid,
						onComplete: showFriendResponse
                    });           
    }

    function acceptFriend(uid)
    {
            new Ajax.Request("assets/inc/friends.php", 
                    {
						method: 'post',
						postBody: '&confirmfriend='+ uid,
						onComplete: showFriendResponse
                    });           
    }
	
    function rejectFriend(uid)
    {
            new Ajax.Request("assets/inc/friends.php", 
                    {
						method: 'post',
						postBody: '&rejectfriend='+ uid,
						onComplete: showFriendResponse
                    });           
    }	
	
    function removeFriend(uid)
    {
            new Ajax.Request("assets/inc/friends.php", 
                    {
						method: 'post',
						postBody: '&removefriend='+ uid,
						onComplete: showFriendResponse
                    });           
    }		
     function showFriendResponse(req)
    {
		var response = req.responseText.evalJSON();
		alert(response['text'], response['type']);
	}

	function limitText(limitField, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	}
}