function count(coach_id) {
        advAJAX.get({
        	url : "clickCount.php?coach_id="+coach_id,
            onInitialization : function(obj) {
            },
            onComplete : function() {
            },
            onSuccess : function(obj) {
            },
            onError : function(obj) {
            	alert(obj.responseText);
            }
        });

}