-------------------------------------------------------------------------
// trigger
CAppCMS.trigger("ajax-send",{requ:requ,obj:this,func:function(resp){

}});
-------------------------------------------------------------------------
// default destination
CAppCMS.bind("ajax-send",this,function(data){
	this.ajax(data.requ,this,function(resp){
		if ( resp.result == "OK" ) {
			data.func.call(data.obj,resp);
		} else {
			var s = "[non-OK] " + resp.result;
			CUtil.printError( s );
		}
	});

});
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// intercept
CAppCMS.bind("ajax-send:begin",this,function(data){
	var requ = data.requ;
	var resp = {};

	requ ====> resp;

	data.func.call(data.obj,resp);
	return false;
});
-------------------------------------------------------------------------
// filter
CAppCMS.bind("ajax-send:50",this,function(data){

	//-- modify requ
	data.requ.xxx = "...";
	data.requ.yyy = "...";
	data.requ.zzz = "...";

	//-- modify resp
	var obj = data.obj;
	data.obj = this;
	var func = data.func;
	data.func = function(resp){
		resp.aaa = "...";
		resp.bbb = "...";
		resp.ccc = "...";
		func.call(obj,resp);
	}

});
-------------------------------------------------------------------------