function changespan(){document.getElementById("div_tag").innerHTML = "changing cloth..." ;}
document.write("<br>");
i=Math.round(500*Math.random()%500);
if (i<=100) {
document.write("<div id='div_tag'>")
document.write("<a target='vhost' href='http://www.iupt.com/ai/changecloth.htm' onclick=changespan()")
document.write(">Click&I change cloth</a></div>");
}