var fn = 0;
function addFile()
{
fn=fn+1;
if(fn>4){
fn = 4;
}
if(fn<=4){
doFile(fn);
}
}
function delFile()
{
fn=fn-1;
if(fn<0){
fn = 0;
}
if(fn>=0){
(fn);
}
}
function doFile(fileNum){
var file01 = document.getElementById("file1");
var file02 = document.getElementById("file2");
var file03 = document.getElementById("file3");
var file04 = document.getElementById("file4");
if(fileNum==0){
file01.style.display="none";
file02.style.display="none";
file03.style.display="none";
file04.style.display="none";
Upload.clear('fileAddr1');
Upload.clear('fileAddr2');
Upload.clear('fileAddr3');
Upload.clear('fileAddr4');
}
if(fileNum==1){
file01.style.display="";
file02.style.display="none";
file03.style.display="none";
file04.style.display="none";
Upload.clear('fileAddr2');
Upload.clear('fileAddr3');
Upload.clear('fileAddr4');
}
if(fileNum==2){
file01.style.display="";
file02.style.display="";
file03.style.display="none";
file04.style.display="none";
Upload.clear('fileAddr3');
Upload.clear('fileAddr4');
}
if(fileNum==3){
file01.style.display="";
file02.style.display="";
file03.style.display="";
file04.style.display="none";
Upload.clear('fileAddr4');
}
if(fileNum==4){
file01.style.display="";
file02.style.display="";
file03.style.display="";
file04.style.display="";
}
}
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="2"></td>
<td><a href="javascript:addFile();"><img src="../../image/sub_img/file/bt_plus.gif" border="0"></a></td>
</tr>
</table>
</td>
<td>
<html:file property="fileAddr" name="webQnaForm" styleClass="input_01" style="width:100%;"></html:file>
</td>
<td align="center">
<a href="javascript:delFile();">
<img src="../../image/sub_img/file/bt_minus.gif" border="0">
</a>
</td>
</tr>
<tr id="file1" style="display:none">
<td align="center"> </td>
<td>
<html:file property="fileAddr1" name="webQnaForm" styleClass="input_01" style="width:100%;"></html:file>
</td>
<td align="center"> </td>
</tr>
<tr id="file2" style="display:none">
<td align="center"> </td>
<td>
<html:file property="fileAddr2" name="webQnaForm" styleClass="input_01" style="width:100%;"></html:file>
</td>
<td align="center"> </td>
</tr>
<tr id="file3" style="display:none">
<td align="center"> </td>
<td>
<html:file property="fileAddr3" name="webQnaForm" styleClass="input_01" style="width:100%;"></html:file>
</td>
<td align="center"> </td>
</tr>
<tr id="file4" style="display:none">
<td align="center"> </td>
<td>
<html:file property="fileAddr4" name="webQnaForm" styleClass="input_01" style="width:100%;"></html:file>
</td>
<td align="center"> </td>
</tr>
<tr>
<td align="center"> </td>
<td height="19">
<img src="../../image/sub_img/file/text.gif">
</td>
<td align="center"> </td>
</tr>
</table>
<script type="text/javascript">
<!--
var Upload = {
clear: function(id){
var up = (typeof id=="string")?document.getElementById(id):id;
if (typeof up != "object") return null;
var tt = document.createElement("span");
tt.id = "__tt__";
up.parentNode.insertBefore(tt,up);
var tf = document.createElement("form");
tf.appendChild(up);
document.getElementsByTagName("body")[0].appendChild(tf);
tf.reset();
tt.parentNode.insertBefore(up,tt);
tt.parentNode.removeChild(tt);
tt = null;
tf.parentNode.removeChild(tf);
},
clearForm: function(){
var inputs,frm;
if (arguments.length == 0)
{
inputs = document.getElementsByTagName("input");
}else{
frm = (typeof arguments[0] == "string")?document.getElementById(arguments[0]):arguments[0];
if (typeof frm != "object") return null;
inputs = frm.getElementsByTagName("input");
}
var fs=[];
for ( var i=0; i<inputs.length; i++ )
{
if (inputs[i].type == "file") fs[fs.length] = inputs[i];
}
var tf = document.createElement("form");
for ( var i=0; i<fs.length; i++ )
{
var tt = document.createElement("span");
tt.id = "__tt__" + i;
fs[i].parentNode.insertBefore(tt, fs[i]);
tf.appendChild(fs[i]);
}
document.getElementsByTagName("body")[0].appendChild(tf);
tf.reset();
for ( var i=0; i<fs.length; i++)
{
var tt = document.getElementById("__tt__" + i);
tt.parentNode.insertBefore(fs[i],tt);
tt.parentNode.removeChild(tt);
}
tf.parentNode.removeChild(tf);
}
}
-->
</script>
posted on 2008-12-22 17:48
長春語林科技 閱讀(432)
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