Hiệu ứng yêu cầu người viết phải nhấn chọn chấp nhận điều kiện nào đó trước khi gửi bài viết lên website.
JavaScript
<script language="javascript">
<!--
// Created by: Savvy :: http://www.webdeveloper.com/forum/showthread.php?p=819275#post819275
function enableob(o) { eval(o+".disabled = false"); }
function disableob(o) { eval(o+".disabled = true"); }
function toggleform(formstr,chkobstr,obstr) {
var checked = eval(formstr+"."+chkobstr+".checked");
var obs = obstr.split(",");
for (i = 0; i < obs.length; i++) {
obs[i] = formstr+"."+obs[i];
}
if (checked == false) {
for (i = 0; i < obs.length; i++) {
disableob(obs[i]);
}
}
else {
for (i = 0; i < obs.length; i++) {
enableob(obs[i]);
}
document.getElementById('pname').focus();
}
}
//-->
</script>
<!--
This script downloaded from www.JavaScriptBank.com
Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
-->
HTML
<form name="myform">
<p>To accept the license terms for posting, click the checkbox below:<br>
<input name="mycheck" onclick="toggleform('document.myform','mycheck','pname,pemail,ptext')" type="checkbox"> I Accept</p>
<table>
<tbody><tr>
<td><b>Name:</b></td><td><input id="pname" name="pname" disabled="true" type="textbox"></td>
</tr><tr>
<td><b>E-Mail:</b></td><td><input name="pemail" disabled="true" type="textbox"></td>
</tr><tr>
<td><b>Post:</b></td><td><textarea name="ptext" disabled="true"></textarea></td>
</tr></tbody>
</table>
</form>
<!--
This script downloaded from www.JavaScriptBank.com
Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
-->
