[_axl]

window.onload = init;

function init() {
	var m = new MainClass('a');
	var d = document.getElementById("menu_01");
	d.addEventListener("mouseover", m.method1, false);
}

function MainClass(a) {
	MainClass.a = a;
}

MainClass.prototype = {
	constructor: MainClass,
	
	method1: function() {
		console.log('a=', MainClass.a);
	}
};