gistfile1.js

// Ajax event request handler
SendAjaxRequest = function(Event)
{
	YUI().use(
		"io-base", "json",
		function(Y)
		{
			var myScriptEvent = escape(Y.JSON.stringify(Event));
			Y.io("http://localhost/ScriptHandler.php?ScriptEvent=" + myScriptEvent, { 
				method: "POST",
				on : {
					complete : Y.bind(HandleAjaxResponse, Y)
				}
			});
		}
	);
}


YUI().use('myWidget', function(Y){
	var myWidget = new MyWidget({render:true});
	
	myWidget.on('custom:event', Y.bind(SendAjaxRequest, this));
});