<SCRIPT language=javascript>
<!--
function CheckForm()
{
var form=document.myform;
if (form.UserName.value=='')
{ alert("请输入用户名!");
form.UserName.focus();
return false;
}
if (form.PassWord.value=='')
{ alert("请输入密码!");
form.PassWord.focus();
return false;
}
form.Submit.value="登 录";
form.Submit.disabled=true;
form.submit();
return true;
}
//-->
</SCRIPT>
<html>
<head>
<style>
li{list-style-type:none;}
</style>
<script>
document.write("<ul>");
for(var i=0;i<10;i++){
document.write("<li>");
document.write("下一个天亮");
document.write("<input type='checkbox' name='ck' value=''>");
document.write("</li>"); }
document.write("</ul>");
var ip=document.getElementsByName('ck');
function soul(){
var ip=document.getElementsByName('ck');
for(var j=0;j<ip.length;j++){
ip[j].checked=true;
} }
function qk(){
for(var j=0;j<ip.length;j++){
ip[j].checked=false;
} }
function revers(){
for(var j=0;j<ip.length;j++){
if(ip[j].checked==true){
ip[j].checked=false;
}else{
ip[j].checked=true;
}
} }
function del(){
for(var j=0;j<ip.length;j++){
if(ip[j].checked==true){
ip[j].parentNode.style.display="none";
}
} } </script>
</head>
<body>
<input type="button" value="全选" onClick="soul()">
<input type="button" value="清空" onClick="qk()">
<input type="button" value="反选" onClick="revers()">
<input type="button" value="删除" onClick="del()">
</body>
</html> |