<script type="text/javascript">
//Nanhe Kumar
var checkflag = "false";
function SelectAll(field) {
if (checkflag == "false") {
document.getElementById("selectall").value= 'Unchek All';
for (i = 0; i < field.length; i++) {
field[i].checked = true;
}
checkflag = "true";
return "Uncheck All";
} else {
document.getElementById("selectall").value= 'Sellect All';
for (i = 0; i < field.length; i++) {
field[i].checked = false;
}
checkflag = "false";
return "Select All";
}
}
</script>
<form method="post" action="" name="formuser" id="formuser" >
<input id="selectall" name="selectall" value="Select All" onclick="SelectAll(document.formuser['uid[]']);" type="checkbox"> Sellect All <br>
<input name="uid[]" value="1" type="checkbox"> One<br>
<input name="uid[]" value="2" type="checkbox"> two<br />
<input name="uid[]" value="3" type="checkbox"> three<br />
<input name="uid[]" value="4" type="checkbox"> four<br />
<input name="uid[]" value="5" type="checkbox"> five<br />
<input name="uid[]" value="6" type="checkbox"> six<br />
<input name="uid[]" value="7" type="checkbox"> seven
</form>