Radio buttons in plugin

I have this code, but it doesnt work proprely. Why?
Live code – http://jsfiddle.net/u9ondfp8/1/

<div id="result"></div>
<div id="result1"></div>
<div class="rrr">
<input type="radio" name="selector_" value="post_active" id="posts" onclick="dataSelect23123()">Post<br>
<input type="radio" name="selector_" value="page_active" id="pages" onclick="dataSelect23123()" >Page
</div>
<br /><br />
<div class="rrr">
<label><input type="radio" name="selector_1" value="post_active1" id="posts1"onclick="dataSelect23124()" >Post<br></label>
<label><input type="radio" name="selector_1" value="page_active1" id="pages1" onclick="dataSelect23124()">Page</label>
</div>

<script>
function dataSelect23123() {
$( "#result" ).html( $('input:checked').val() + " is checked!" );
};
</script>

<script>
function dataSelect23124() {
$( "#result1" ).html( $('input:checked').val() + " is checked!" );
};
</script>