Handling the multiple checkboxs with jquery for Check All, Uncheck All and get selected values

Handling the multiple checkboxes with jquery for Check All, Uncheck All
and get values from selected values

include jquery

<script language="JavaScript" src="youserveraddres/js/jquery.js"></script>

your html

<input name="phpqa[]" type="checkbox" value="1">1
<input name="phpqa[]" type="checkbox" value="2">2
<input name="phpqa[]" type="checkbox" value="3">3
<input name="phpqa[]" type="checkbox" value="4">4
<input name="phpqa[]" type="checkbox" value="5">5
<input name="phpqa[]" type="checkbox" value="6">6
<input name="phpqa[]" type="checkbox" value="7">7
<input name="phpqa[]" type="checkbox" value="8">8

<a href="javascript:void();" onclick="markAll()">Check All</a>
<a href="javascript:void();" onclick="unMarkAll()">Uncheck All</a>
<a href="javascript:void();" onclick="getSelectedVals()">Get Checked Values</a>

// function for mark all / check all

function markAll(){
$("input[@name='phpqa[]']").each(function() {
this.checked = true;
});
}

// function for uncheck all

function unMarkAll(){
$("input[@name='phpqa[]']").each(function() {
this.checked = false;
});
}

//fetching selected values / checked values

function getSelectedVals(){
$("input[@name='phpqa[]']").each(function() {
if ($(this).attr('checked'))
{
alert($(this).val());
}
});
}

demo here

if you have any doubts lemme know..
enjoy jquerying.........