var header = new Array();
	header.push(new Array("<img src='../_media/header1.jpg' alt='Header' width='356' height='80' />"));
	header.push(new Array("<img src='../_media/header2.jpg' alt='Header' width='356' height='80' />"));
	header.push(new Array("<img src='../_media/header3.jpg' alt='Header' width='356' height='80' />"));
	header.push(new Array("<img src='../_media/header4.jpg' alt='Header' width='356' height='80' />"));
	header.push(new Array("<img src='../_media/header5.jpg' alt='Header' width='356' height='80' />"));
	header.push(new Array("<img src='../_media/header6.jpg' alt='Header' width='356' height='80' />"));
	header.push(new Array("<img src='../_media/header7.jpg' alt='Header' width='356' height='80' />"));
	header.push(new Array("<img src='../_media/header8.jpg' alt='Header' width='356' height='80' />"));
	var i = Math.floor(Math.random() * header.length);
	var header_img = header[i];
	document.writeln(header_img);