<SCRIPT language=JavaScript type=text/javascript>   
<!--   
var save="";  
var tim=1;   
setInterval("tim++",10);   
var b=1;   
var autourl=new Array();   
autourl[1]="www.baidu.com";   
autourl[2]="www.google.com";   
var autoname=new Array();   
autoname[1]="百度";   
autoname[2]="谷歌";   
function butt(){   
document.write("<form name=\"autof\">");   
for(var i=1;i<autourl.length;i++){   
document.write(autoname[i]+"：<input type=\"text\" name=\"txt"+i+"\" size=\"20\" value=\"测试中…\">");   
}   
document.write("</form>");   
}   
butt();   
function auto(url,b){   
document.forms[0]["txt"+b].value="响应时间:"+tim/100+"秒"   
}   
function run(){   
for(var i=1;i<autourl.length;i++){   
document.write("<img src=\"http://"+autourl[i]+"/"+"\" width=\"1\" height=\"1\" onerror=\"auto('http://"+autourl[i]+"',"+i+")\" />");   
}   
}   
run();   
document.write(save);  
//-->   
</SCRIPT>