为什么加了form就不行了！？？？

[wubi]

我的代码是这样的
<script language=javascript>
function NYSfont()
{if((readPath.selectedIndex!=-1)){pathContent.value=readPath.options[readPath.selectedIndex].value;}}
</script>

<select name="readPath" onchange="NYSfont()">
<option value="">请选择...</option>
<option value="(廖家毅,冯珂)[审核]->(司建铭,毛颖)[会签]->(郑伟)[签发]">报表审批</option>
<option value="(张大为,李行)[审核]->(江可新,龙时图)[会签]->(戴辉)[签发]">客户部发文</option>
</select>
<textarea name="pathContent" rows="15" cols="100" readonly></textarea>

没问题，通过列表框的选择，改变文本框的信息！但是在外面加了<form></form>
如下：
<form name="form1" method="post" action="">
<select name="readPath" onchange="NYSfont()">
<option value="">请选择...</option>
<option value="(廖家毅,冯珂)[审核]->(司建铭,毛颖)[会签]->(郑伟)[签发]">报表审批</option>
<option value="(张大为,李行)[审核]->(江可新,龙时图)[会签]->(戴辉)[签发]">客户部发文</option>
</select>
<textarea name="pathContent" rows="15" cols="100" readonly></textarea>
</form>

就是不行了，提示：readPath未定义？？？？？不加FORM我怎么提交数据啊？？？那位大峡帮帮我？

[zhanghk]

同意

[rengs]

将javascript改成这样
<script language=javascript>
function NYSfont()
{if((form1.readPath.selectedIndex!=-1)){form1.pathContent.value=form1.readPath.options[form1.readPath.selectedIndex].value;}}
</script>

[xuzuning]

访问时加上document.form1. 或 document.all.

function NYSfont() {
if((document.form1.readPath.selectedIndex!=-1)) {
document.form1.pathContent.value=document.form1.readPath.options[document.form1.readPath.selectedIndex].value;
}
}

[fason]

加了form你就要加formname呀!

[晨晨]

同意上面的观点，用document.form1.readPath来引用