document.createElement('header');
document.createElement('nav');
document.createElement('article');
document.createElement('aside');
document.createElement('section');
document.createElement('footer');

function ge(e){return document.getElementById(e)}

function clearAlerts() {
	setTimeout ('var alerts = ge("alerts"); if (alerts) alerts.parentNode.removeChild(alerts)', 5000);
}

function modalImage(e) {
	ge('js').innerHTML = '<div onclick="ge(\'js\').innerHTML=\'\'"><div id="modal-screen"></div><div id="modal-frame"><div id="modal-display"><img src="' + e.href + '">Click anywhere to close.</div></div></div>';
}

window.onload = clearAlerts;