//randomImage.js
function imgRandomWriter(){
	var a = imgRandomWriter.arguments;
	var n = Math.floor(Math.random() * a.length);
	var html = "<h1><img src=\"" + a[n] + "\"></h1>";
	document.write(html);
}
function imgRandomClass(){
	var a = imgRandomClass.arguments;
	var n = Math.floor(Math.random() * a.length);
	document.getElementById('top_img').className=a[n];
}