<body text=red onload='timerOne=window.setTimeout("a(10)",500)'>

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  1.   

    有错的地方帮你改了,不过看不出这代码有啥用<html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    <title>无标题文档</title>
    <script language="javascript">
    <!--
    //Beginning of JavaScript Applet------------
    function a(seed)
    {
    var m1="JS是一个简单好学易用的语言,"
    var m2="只要花费少量的时间就会有丰富的收获,"
    var m3="而且是目前相容性非常高的语言,";
    var m4="学好JS就会今日起。";
    var msg=m1+m2+m3+m4;
    var out="";
    var c=1;
    if(seed>100)
    {
    seed--;
    var cmd="a("+seed+")";
    timerTwo=window.setTimeout(cmd,100);
    }
    else if(seed<=100&&seed>0)
    {
    for(c=0;c<seed;c++) out+=""
    out+=msg;
    seed--;
    var cmd="a("+seed+")";
    window.status=out;
    timerTwo=window.setTimeout(cmd,100);
    }
    else if(seed<=0)
    {
    if(-seed<msg.length)
    {
    out+=msg.substring(-seed,msg.length);
    seed--;
    var cmd="a("+seed+")";
    window.status=out;
    timerTwo=window.setTimeout("a(100)",75);
    }
    }
    }
    //--End of JavaScript code------------------->
    </script>
    </head><body text=red onload='timerOne=window.setTimeout("a(10)",500)'>
    <br><br>
    <center><h1>状态条简易走马灯</h1></center>
    </body>
    </html>