<input type=checkbox name=abc value=a onclick="mm(this)">a<br>
<input type=checkbox name=abc value=b onclick="mm(this)">b<br>
<input type=checkbox name=abc value=c onclick="mm(this)">c<br>
<input type=checkbox name=abc value=d onclick="mm(this)">d<br>
<input id=txt><SCRIPT LANGUAGE="JavaScript">
function mm(e)
{
var a = document.getElementsByName("abc");
var b = new Array();
for(var i=0; i<a.length; i++)
{
if(a[i].checked) b[b.length] = a[i].value;
}
document.all.txt.value = b.join(",");
}
</SCRIPT>
<input type=checkbox name=abc value=b onclick="mm(this)">b<br>
<input type=checkbox name=abc value=c onclick="mm(this)">c<br>
<input type=checkbox name=abc value=d onclick="mm(this)">d<br>
<input id=txt><SCRIPT LANGUAGE="JavaScript">
function mm(e)
{
var a = document.getElementsByName("abc");
var b = new Array();
for(var i=0; i<a.length; i++)
{
if(a[i].checked) b[b.length] = a[i].value;
}
document.all.txt.value = b.join(",");
}
</SCRIPT>
<!--
function fnccheck()
{
var s='';
var o = document.getElementsByTagName('INPUT');
for(var i=0;i<o.length;i++)
{
if(o[i].type == 'checkbox' && o[i].checked == true) s+=o[i].value+',';
}
s = s.substr(0,s.length-1);
alert(s);
}
//-->
</script><input type=checkbox value=a>a
<input type=checkbox value=b>b
<input type=checkbox value=c>c
<input type=checkbox value=d>d
<input type=checkbox value=e>e
<input type=checkbox value=f>f
<p><input type=button value=查看结果 onclick="fnccheck();"></p>
<!--
function fnccheck()
{
var s='w,x';
var o = document.getElementsByTagName('INPUT');
for(var i=0;i<o.length;i++)
{
if(o[i].type == 'checkbox' && o[i].checked == true) s+=o[i].value+',';
}
s = s.substr(0,s.length-1);
alert(s);
}
//-->
</script><input type=checkbox value=a onclick="fnccheck();">a
<input type=checkbox value=b onclick="fnccheck();">b
<input type=checkbox value=c onclick="fnccheck();">c
<input type=checkbox value=d onclick="fnccheck();">d
<input type=checkbox value=e onclick="fnccheck();">e
<input type=checkbox value=f onclick="fnccheck();">f
<input type=checkbox value=w onclick="fnccheck();">w
<p><input type=button value=查看结果 onclick="fnccheck();"></p>