[code] ?function showLoginImg(){ ? document.write(“<img src=’http://ptverifypaipai.paipai.com/getimage?”+Math.random()+”‘ align=’absmiddle’ id=’loginImg’> <a href=’#’ onclick=’refreshLoginImg()’>刷新</a>”); ?} ? ?function refreshLoginImg(){ ? document.getElementById(“loginImg”).src=”http://ptverifypaipai.paipai.com/getimage?”+Math.random(); ?} ?[/code]