请高手帮忙看一下错误在哪里？

<Script Language="JavaScript" >
var onecount;
onecount=0;
subcat = new Array();
subcat[0]=new Array("1","1")
subcat[1]=new Array("2","2")
subcat[2]=new Array("1","3")
subcat[3]=new Array("1","4")
subcat[4]=new Array("1","3")
subcat[5]=new Array("1","sa")
subcat[6]=new Array("1","f")
subcat[7]=new Array("1","ff")
subcat[8]=new Array("1","sdsdsd")
subcat[9]=new Array("1","ss")
subcat[10]=new Array("1","ss")
subcat[11]=new Array("1","dd")
subcat[12]=new Array("1","as")
subcat[13]=new Array("2","s")
subcat[14]=new Array("4","s")
subcat[15]=new Array("4","博时价值增长")
subcat[16]=new Array("4","银华富裕")
subcat[17]=new Array("5","2006五年期")
subcat[18]=new Array("8","2006第五期汇得盈")onecount=19function SelectProduct(obj,obj1,obj2){
var k;
var k1;
var j;
k=obj.options(obj.selectedIndex).zcp;
k2=obj.options(obj.selectedIndex).lx;
if (k=="Y"){
if ( ! obj1.haschild){
alert('oo')
if(document.getElementById("cpmxid1"))return
k1=document.createElement("select");
k1.setAttribute("name","cpmx1")
k1.setAttribute("id","cpmxid1")
obj1.appendChild(k1);
}
k1.options.length=0;
k1.options[0]=new Option("==请选择==","");
j=1;
for (i=0;i<onecount;i++){
if(subcat[i][0]==k2){
k1.options[j]=new Option(subcat[i][1],subcat[i][1]);
j=j+1;
}
}
}
}
</Script> 
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>客户信息</title>
<link href="../cread.css" rel="stylesheet" type="text/css">
</head>
<body bgcolor="#FFFFFF" >
<form method="GET" action="gj.asp"  name="fn">
  <table  border="1" width="100%" cellspacing="0" cellpadding="0" class="TableLine" bordercolor="GREEN" bordercolordark="#FFFFFF" id="table1">
    <tr>
      <td width="100%" height="24" colspan=4 align=center bgcolor="#39867B" >    
       <strong><font color="#FFFFFF">客 户 跟 进 信 息</font></strong>              
      </td>        
    </tr>        
    <tr>
     <td>
     销售结果
     </td>
     <td colspan=3>
     <table width="100%" border=1>
     <tr>
     <td id="cptd1" width="20%">
     <select name="cp1" onchange="JavaScript:SelectProduct(cp1,cpmx1)"  >
     <option value="" >请选择</option>
    
     <option value="储蓄" zcp="N" lx="1">储蓄       </option>
    
     <option value="个人贷款" zcp="N" lx="2">个人贷款   </option>
    
     <option value="贷记卡" zcp="N" lx="3">贷记卡     </option>
    
     <option value="基金" zcp="Y" lx="4">基金       </option>
    
     <option value="国债" zcp="Y" lx="5">国债       </option>
    
     <option value="保险" zcp="Y" lx="6">保险       </option>
    
     <option value="签约" zcp="N" lx="7">签约       </option>
    
     <option value="理财产品" zcp="Y" lx="8">理财产品   </option>
    
     <option value="黄金" zcp="N" lx="9">黄金       </option>
    
     <option value="外汇" zcp="N" lx="a">外汇       </option>
    
     </select>
     </td>
     <td width="%50" id="cpmx1">
     &nbsp;
     </td>
     <td width="%30">
     <input type="text" name="sl1" >
     </td>
     </tr>
     </table>
     </td>
    </tr>
  </table>
 <input type="hidden" name="delflag" value="">
 <input type="hidden" name="saveflag" value="">
 <input type="hidden" name="ID" value="6">
 <input type="hidden" name="Mode" value="newmode">
 <input type="hidden" name="KhID" value="6">
 <input type="hidden" name="condition" value="">
</form></body>
</html>