<input type=checkbox name=c1><br>
<input type=checkbox name=c2><br>
<input type=checkbox name=c3><br>
<input type=checkbox name=c4><br>
<input type=checkbox name=c5><br>
.......
<input type=button value=全选 onclick=cc()>
<script language="Javascript">
function cc(){
var aa = document.getElementsByTagName("input");
for (var i=0; i<aa.length; i++){
if (aa[i].type=="checkbox")
aa[i].checked=true;
}
}
</script>
----------------------------------------------------------------------
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
<FORM METHOD=POST ACTION="">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="checkbox" NAME="box1">
<INPUT TYPE="button" name=click value=click onclick="change_all()">
</FORM>
</BODY>
</HTML>
<SCRIPT LANGUAGE="vbScript">
<!--
function change_all()
set box=document.all("box1")
for i=0 to box.length-1
if box(i).checked=true then
box(i).checked=false
else
box(i).checked=true
end if
next
end function
//-->
</SCRIPT>
==========================================
<input type=checkbox name=c1><br>
<input type=checkbox name=c2><br>
<input type=checkbox name=c3><br>
<input type=checkbox name=c4><br>
<input type=checkbox name=c5><br>
.......
<input type=button value=全选 onclick=cc()>
<script language="Javascript">
function cc(){
var aa = document.getElementsByTagName("input");
for (var i=0; i<aa.length; i++){
if (aa[i].type=="checkbox")
aa[i].checked=true;
}
}
</script>
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