function writeImage() {
	strLink = "http://www.sj.se";
	var intNum = Math.floor(Math.random() * 10);
	var strHTML = '';
	strHTML += '<a href="' + strLink + '">';
	strHTML += '<img src="images/' + intNum + '.gif" height="140" width="120" border="0" alt="">';
	strHTML += '</a>';
	document.write(strHTML);
}