tag=new Array();
tag[0]='<a href="http://www.studio-bythesea.com/smile/"><img src="http://www.studio-bythesea.com/img/smile.jpg"/></a>';
tag[1]='<a href="http://www.studio-bythesea.com/bluewinds/"><img src="http://www.studio-bythesea.com/img/bluewinds.jpg"/></a>';
i=Math.floor(Math.random()*tag.length);
document.write(tag[i]);