动态背景（代码）
是数字流的动态背景。
写好后有错误,请高手指点。（还有就是哪些地方是可以不用的也帮忙删了。
代码如下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>daxia1988做事不留名</TITLE>
<SCRIPT language=javascript type=text/javascript></SCRIPT>
<bgsound src="hacker.mid" loop="-1">
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.2800.1476" name=GENERATOR>
<STYLE type=text/css>#nothing {
VISIBILITY: visible
}
</STYLE>
</HEAD>
<BODY text=#00ff00 vLink=#008000 aLink=#008000 link=#008000 bgColor=#000000
background="" onload=writetext();>
<DIV id=nothing style="WIDTH: 889px; HEIGHT: 259px"></DIV>
<SCRIPT language=JavaScript>
<!--
if (document.all){
Cols=10;
Cl=48;//Space's are included so real length is 24!
Cs=120;
Ts=18;
Tc='#008800';
Tc1='#00ff00';
MnS=20;
MxS=20;
I=Cs;
Sp=new Array();S=new Array();Y=new Array();
C=new Array();M=new Array();B=new Array();
RC=new Array();E=new Array();Tcc=new Array(0,1,2,3,4,5,6,7,8,9);
document.write("<div id='Container' style='position:absolute;top:0;left:-"+Cs+"'>");
document.write("<div style='position:relative'>");
for(i=0; i < Cols; i++){
S[i]=I+=Cs;
document.write("<div id='A' style='position:absolute;top:0;font-family:Arial;font-size:"
+Ts+"px;left:"+S[i]+";width:"+Ts+"px;height:0px;color:"+Tc+";visibility:hidden'></div>");
}
document.write("</div></div>");
for(j=0; j < Cols; j++){
RC[j]=1+Math.round(Math.random()*Cl);
Y[j]=0;
Sp[j]=Math.round(MnS+Math.random()*MxS);
for(i=0; i < RC[j]; i++){
B[i]='';
C[i]=Math.round(Math.random()*1)+' ';
M[j]=B[0]+=C[i];
}
}
function Cycle(){
Container.style.top=window.document.body.scrollTop;
for (i=0; i < Cols; i++){
var r = Math.floor(Math.random()*Tcc.length);
E[i] = '<font color='+Tc1+'>'+Tcc[r]+'</font>';
Y[i]+=Sp[i];
if (Y[i] > window.document.body.clientHeight){
for(i2=0; i2 < Cols; i2++){
RC[i2]=1+Math.round(Math.random()*Cl);
for(i3=0; i3 < RC[i2]; i3++){
B[i3]='';
C[i3]=Math.round(Math.random()*1)+' ';
C[Math.floor(Math.random()*i2)]=' '+' ';
M[i]=B[0]+=C[i3];
Y[i]=-Ts*M[i].length/1.5;
A[i].style.visibility='visible';
}
Sp[i]=Math.round(MnS+Math.random()*MxS);
}
}
A[i].style.top=Y[i];
A[i].innerHTML=M[i]+' '+E[i]+' ';
}
setTimeout('Cycle()',45)
}
Cycle();
}
// -->
</SCRIPT>
</BODY></HTML>
</tr>
<head>
<meta http-equiv="Content-Language" content="fr">
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>hacked</title>
</head>
<body bgcolor="#000000" text="#FF0000">
<p align="center"> </p></a>
参考答案:<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>daxia1988做事不留名</TITLE>
<SCRIPT language=javascript type=text/javascript></SCRIPT>
<bgsound src="hacker.mid" loop="-1">
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.2800.1476" name=GENERATOR>
<STYLE type=text/css>#nothing {
VISIBILITY: visible
}
</STYLE>
</HEAD>
<BODY text=#00ff00 vLink=#008000 aLink=#008000 link=#008000 bgColor=#000000
background="onload=writetext()">
<DIV id=nothing style="WIDTH: 889px; HEIGHT: 259px"></DIV>
<SCRIPT language=JavaScript>
<!--
if (document.all){
Cols=10;
Cl=48;//Space's are included so real length is 24!
Cs=120;
Ts=18;
Tc='#008800';
Tc1='#00ff00';
MnS=20;
MxS=20;
I=Cs;
Sp=new Array();S=new Array();Y=new Array();
C=new Array();M=new Array();B=new Array();
RC=new Array();E=new Array();Tcc=new Array(0,1,2,3,4,5,6,7,8,9);
document.write("<div id='Container' style='position:absolute;top:0;left:-"+Cs+"'>");
document.write("<div style='position:relative'>");
for(i=0; i < Cols; i++){
S[i]=I+=Cs;
document.write("<div id='A' style='position:absolute;top:0;font-family:Arial;font-size:"
+Ts+"px;left:"+S[i]+";width:"+Ts+"px;height:0px;color:"+Tc+";visibility:hidden'></div>");
}
document.write("</div></div>");
for(j=0; j < Cols; j++){
RC[j]=1+Math.round(Math.random()*Cl);
Y[j]=0;
Sp[j]=Math.round(MnS+Math.random()*MxS);
for(i=0; i < RC[j]; i++){
B[i]='';
C[i]=Math.round(Math.random()*1)+' ';
M[j]=B[0]+=C[i];
}
}
function Cycle(){
Container.style.top=window.document.body.scrollTop;
for (i=0; i < Cols; i++){
var r = Math.floor(Math.random()*Tcc.length);
E[i] = '<font color='+Tc1+'>'+Tcc[r]+'</font>';
Y[i]+=Sp[i];
if (Y[i] > window.document.body.clientHeight){
for(i2=0; i2 < Cols; i2++){
RC[i2]=1+Math.round(Math.random()*Cl);
for(i3=0; i3 < RC[i2]; i3++){
B[i3]='';
C[i3]=Math.round(Math.random()*1)+' ';
C[Math.floor(Math.random()*i2)]=' '+' ';
M[i]=B[0]+=C[i3];
Y[i]=-Ts*M[i].length/1.5;
A[i].style.visibility='visible';
}
Sp[i]=Math.round(MnS+Math.random()*MxS);
}
}
A[i].style.top=Y[i];
A[i].innerHTML=M[i]+' '+E[i]+' ';
}
setTimeout('Cycle()',45)
}
Cycle();
}
// -->
</SCRIPT>
</BODY></HTML>
</tr>
<head>
<meta http-equiv="Content-Language" content="fr">
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>hacked</title>
</head>
<body bgcolor="#000000" text="#FF0000">
<p align="center"> </p></a>
<BODY background="" onload=writetext();>
改成
<BODY background="onload=writetext()">