<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<script language="javascript">
function selectIt(action){
var testform=document.getElementById("bdkey");
for(var i=0 ;i<testform.elements.length;i++){
if(testform.elements[i].type=="checkbox"){
e=testform.elements[i];
e.checked=(action=="selectAll")?1:(!e.checked);
}
}
}
</script>
</head>
<body>
<form name="bdkey" id="bdkey">
<p class="STYLE1">
全 選
<input type="checkbox" name="selectAll" value="checkbox" onClick="selectIt('selectAll')"><br>
反 選
<input type="checkbox" name="invest" value="checkbox" onClick="selectIt()"><br>
Item1
<input type="checkbox" name="checkbox" value="checkbox">
<br>
Item2
<input type="checkbox" name="checkbox" value="checkbox"><br>
Item3
<input type="checkbox" name="checkbox" value="checkbox"><br>
Item4
<input type="checkbox" name="checkbox" value="checkbox"><br>
Item5
<input type="checkbox" name="checkbox" value="checkbox">
</p>
</form>
</body>
