// Tree structure definition
var TREE_NODES = [
	["Non-JavaScript", "http://javascript.cooldev.com/", "_blank"],
	["JavaScript", "javascript:void(window.open('http://javascript.cooldev.com/', '_blank', 'width=400,height=300'))", null],
	["JavaScript, modal dialog (Internet Explorer only)", "javascript:void(window.showModalDialog('http://javascript.cooldev.com/', '_blank', 'dialogWidth=400px;dialogHeight=300px'))", null]
];