<html><head><title>New Page 1</title>
</head>
<script>
function check()
{
for(var counter=0;counter<=f1.elements.length-1;counter++)
{
if(!f1.elements[counter].checked)
{
f1.elements[counter].checked=true
}
else
{
f1.elements[counter].checked=false }
}
}
</script>
<body>
<form name="f1" method="POST" action="--WEBBOT-SELF--"> <p><input type="checkbox" name="c1" value="ON">
<input type="checkbox" name="c2" value="ON">
<input type="checkbox" name="c3" value="ON">
</p>
<p><input type="button" value="按钮" name="B3" onClick="check()">
</p>
<p> </p>
</form></body></html>
</head>
<script>
function check()
{
for(var counter=0;counter<=f1.elements.length-1;counter++)
{
if(!f1.elements[counter].checked)
{
f1.elements[counter].checked=true
}
else
{
f1.elements[counter].checked=false }
}
}
</script>
<body>
<form name="f1" method="POST" action="--WEBBOT-SELF--"> <p><input type="checkbox" name="c1" value="ON">
<input type="checkbox" name="c2" value="ON">
<input type="checkbox" name="c3" value="ON">
</p>
<p><input type="button" value="按钮" name="B3" onClick="check()">
</p>
<p> </p>
</form></body></html>
</head>
<script>
function check()
{
for(var counter=0;counter<=f1.elements.length-1;counter++)
{
if(!f1.elements[counter].checked)
{
f1.elements[counter].checked=true
}
else
{
f1.elements[counter].checked=false }
}
}
</script>
<body>
<form name="f1" method="POST" action="--WEBBOT-SELF--"> <p><input type="checkbox" name="c1" value="ON">
<input type="checkbox" name="c2" value="ON">
<input type="checkbox" name="c3" value="ON">
</p>
<p><input type="button" value="按钮" name="B3" onClick="check()">
</p>
<p> </p>
</form></body></html>
<table id=t border=1><tr><td><input id=t1 type=checkbox>a</td></tr><tr><td><input id=t2 type=checkbox>b</td></tr></table>
<input type=button onclick="aa()" value='select all'>
<script>
function aa()
{ for(var i =0;i < t.rows.length;i++)
{
document.all('t' + (i + 1)).checked= true;
}
}
</script></body>
<TR>
<TD><INPUT type="checkbox" name="cb1" onclick =isAllSelected(this)><FONT face="宋体"> shy </FONT></TD>
</TR>
<TR>
<TD><INPUT type="checkbox" name="cb2" onclick =isAllSelected(this)><FONT face="宋体"> sly</FONT></TD>
</TR>
<TR>
<TD><INPUT type="checkbox" name="cb3" onclick =isAllSelected(this)><FONT face="宋体"> sky</FONT></TD>
</TR>
<TR>
<TD><INPUT onclick="allSelected()" type="checkbox" name="cb">全选
<INPUT style="WIDTH: 58px; HEIGHT: 19px" type="button" value="保存" onclick="save()"></TD>
</TR>
</TABLE>
<script>
function allSelected()
{
var elements=document.all.tags("INPUT");
for (var i=0;i<elements.length;i++)
{
if (elements[i].type=='checkbox'&&elements[i].checked==false)
elements[i].checked=true;
}
}
function isAllSelected(obj)
{
if (obj.checked==false)
{
document.all.cb.checked=false;
}
}
var str =new String();
function save()
{
str="";
var elements=document.all.tags("INPUT");
for (var i=0;i<elements.length;i++)
{
if (elements[i].type=='checkbox'&&elements[i].checked==true&&elements[i].name!='cb')
str+=elements[i].parentElement.innerText;
}
alert("你选择保存了:"+str);
}
</script>
if(document.all.全选的checkbox的名字.checked)
{
var arrObj = document.all;
for(var i=0;i<arrObj.length;i++)
{
if(typeof arrObj[i].type!="undefined"&&arrObj[i].type=='checkbox') arrObj[i].checked=true;
}
}
else{
var arrObj = document.all;
for(var i=0;i<arrObj.length;i++)
{
if(typeof arrObj[i].type!="undefined"&&arrObj[i].type=='checkbox') arrObj[i].checked=false;
} }}