----EDIT----
I am making an jquery mobile application. Now I want to check which radiobutton is checked.
This is what I do in my javascript.
function filter(){
    if(document.getElementById('segment1').checked) {
         alert('Iedereen');
    }else if(document.getElementById('segment2').checked) {
         alert('team');
    }else{
        alert('favorieten');
    }
}
En this is my HTML
<div data-role="fieldcontain">
<fieldset data-role="controlgroup" data-type="horizontal" onchange=filter() > 
    <input type="radio" name="radio-view"  data-icon="segment-titlestyle-segonly"  id="segment1" value="choice1" checked="checked"/> 
    <label for="segment1"  id="controls">
    <span class="ui-btn-text-controls">Iedereen</span>
    </label> 
    <input type="radio" name="radio-view" data-icon="segment-titlestyle-segonly" id="segment2" value="choice2" /> 
    <label for="segment2" id="controls">
    <span class="ui-btn-text-controls">Team</span>
    </label> 
    <input type="radio" name="radio-view" data-icon="segment-titlestyle-segonly" id="segment3" value="choice3" /> 
    <label for="segment3" id="controls">
    <span class="ui-btn-text-controls">Favorieten</span>
    </label>  
</fieldset>
For some reason it doesn't work. Can anybody help?
kind regards.
 
     
     
    