function profile_online_monitoring(id){
	InstantManager.listenerUserOnLine(id,null,function (key){
		var obtn = document.getElementById('online_btn');
		var ibtn = document.getElementById('online_img');

		if(key){
			if(obtn){
				obtn.style.className = 'player_msg';
				obtn.onclick = function(){
					InstantManager.openSender(id);
				};
			}
			if(ibtn) ibtn.className = 'player_online';
		}else{
			if(obtn){
				obtn.className = 'player_msg player_msg_off';
				obtn.onclick = function(){
					return false;
				};
			}
			if(ibtn) ibtn.className = 'player_offline';
		}
	});
}