帮我看看下面的代码老出错
function write_line(){
if (str == 1){
txt += "<td class=aaa name=bbb id=ccc background='images/bg.gif' onclick=\"check('0','3'); parent.asa.location='/setting.htm'\"><nobr>设置</nobr></td>";
txt += "<td><img name='b_right' src='images/right.gif' border=0></td>";
}
return txt;
}
<SCRIPT language=JavaScript>
write_line();
</SCRIPT>