高手请进！高分相送。

[phide]

在一张网页上想实现这样的效果：单击一个按钮或超级链接，在按钮下方出现一个表单（开始不出现）。如何实现？

[cmsoft]

js啊

把你的表单放在
<div name=a style="display:none"></div>之间


点击按钮的时候

window.a.dsiplay='';

[qjrein]

你是不是想动态控制表格之类的？
<input type="button" value="插入" onclick="insert_row()">

<table name='tbl' id="tbl" border="1" width=300>
</table>
<script>
var i=0
function insert_row(){
i++
R=tbl.insertRow()
C=R.insertCell()
C.innerHTML="<input type='file' name='file' >"
C=R.insertCell()
C.innerHTML="文件"+i
C=R.insertCell()
C.innerHTML="<input type='button' value='删除' onclick='tbl.deleteRow("+(i-1)+")'>"

}
</script>

[zhuyngjie]

先设置table的display属性为none,即<table border="1" width="400" bordercolorlight="#000000" bordercolordark="#000000" id=3 style=display:none>,然后在按钮或是超链接中调用js（写一个js使display属性不为none），呵呵，试试吧

[phide]

cmsoft老兄，能不能详细点儿，谢谢了！

[dychen]

cmsoft的方法会不会在按钮下面出现不必要的空白！我建议通过刷新页面实现。
if Request.Form(刚才哪个按纽的ID)<>"" then
显示有表单的页面
else
什么也不显示,其实else可以不要了，以防你要显示其他东西
end if

[tracy_qd]

<script language="JavaScript1.2">
scores = new Array(20);
var numTotal=0;
NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;
ver4 = (NS4 || IE4) ? 1 : 0;

if (ver4) {
with (document) {
write("<STYLE TYPE='text/css'>");
if (NS4) {
write(".parent {position:absolute; visibility:visible}");
write(".child {position:absolute; visibility:visible}");
write(".regular {position:absolute; visibility:visible}")
}
else {
write(".child {display:none}")
}
write("</STYLE>");
}
}



function getIndex(el) {
ind = null;
for (i=0; i<document.layers.length; i++) {
whichEl = document.layers[i];
if (whichEl.id == el) {
ind = i;
break;
}
}
return ind;
}


function arrange() {
nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;
for (i=firstInd+1; i<document.layers.length; i++) {
whichEl = document.layers[i];
if (whichEl.visibility != "hide") {
whichEl.pageY = nextY;
nextY += whichEl.document.height;
}
}
}

function initIt(){
if (!ver4) return;
if (NS4) {
for (i=0; i<document.layers.length; i++) {
whichEl = document.layers[i];
if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";
}
arrange();
}
else {
divColl = document.all.tags("DIV");
for (i=0; i<divColl.length; i++) {
whichEl = divColl(i);
if (whichEl.className == "child") whichEl.style.display = "none";
}
}
}


function expandIt(el) {
if (!ver4) return;
if (IE4) {
whichEl1 = eval(el + "Child");
for(i=1;i<=numTotal;i++){
whichEl = eval(scores[i] + "Child");
if(whichEl!=whichEl1) {
whichEl.style.display = "none";
}
}
whichEl1 = eval(el + "Child");
if (whichEl1.style.display == "none") {
whichEl1.style.display = "block";
}
else {
whichEl1.style.display = "none";
}
}
else {
whichEl = eval("document." + el + "Child");
for(i=1;i<=numTotal;i++){
whichEl = eval("document." + scores[i] + "Child");
if(whichEl!=whichEl1) {
whichEl.visibility = "hide";
}
}
if (whichEl.visibility == "hide") {
whichEl.visibility = "show";
}
else {
whichEl.visibility = "hide";
}
arrange();
}
}



onload = initIt;

</script>