javascript course app

gistfile1

var CourseApp = {
	students: [],
	courses: [],
	teachers: [],
	render_item: function(item, type) {
		var html = this.render_html(item, type);
		document.getElementById(type + "-list").innerHTML += html;
	},
	render_items: function(items_name) {
		var items = this[items_name];
		var i = 0; for(; i < items.length;) {
			this.render_item(items[i], items_name);
			i = i + 1;
		}
	},
	render_html: function(item, type) {
		return "<li id=\'" + item.name + "\' class=\'" + type + "\'>" +
			"<h4>" + item.name + "</h4>" + "</li>"
	}
};

/////////////

var Student = function(name, major) {
	this.name = name;
	this.major = major;
	CourseApp.students.push(this);
};

var Teacher = function(name, specialization) {
	this.name = name;
	this.specialization = specialization;
	CourseApp.teachers.push(this);
};

var Course = function(name, department, day) {
	this.name = name,
	this.department = department,
	this.day = day,
	CourseApp.courses.push(this);
};

new Student('Stacy', 'Geology');
new Teacher('Tom', 'ruby');
CourseApp.render_items("teachers")
CourseApp.render_items("students")