<HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
</HEAD>
<BODY><INPUT type="checkbox" id=checkbox1 name=checkbox1 onclick='clk(this)'>
</BODY>
</HTML><script language='javascript'>
var i = 0;
function clk(obj) {
if (obj.checked == true) {
i = i + 1;
alert(i);
} else {
i = i -1;
alert(i);
}
}</script>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
</HEAD>
<BODY><INPUT type="checkbox" id=checkbox1 name=checkbox1 onclick='clk(this)'>
</BODY>
</HTML><script language='javascript'>
var i = 0;
function clk(obj) {
if (obj.checked == true) {
i = i + 1;
alert(i);
} else {
i = i -1;
alert(i);
}
}</script>
var i = 0
function chk(e){
if (e.checked == 1){
i++
alert("i=" + i);
}else {
i--
alert("i=" + i);
}
}
</script><input name="a1" type="checkbox" value="" onclick="chk(this)">