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    <p>You wanna count every time u clicked on a radtio button it counts the value on the previous click(when first time clicked the value is zero). I would create an hidden field to put the totale amount in. </p> <p>In your example u used 'this' if ur writing in jQuery you cant use it that way(in my opinion). If your writing a function like: </p> <pre><code>function foo(value) { this.value = value; }; var foobar = new foo('test'); alert(foobar.value); </code></pre> <p>Then u should use the way u did.</p> <pre><code>&lt;script type="text/javascript"&gt; $(document).ready(function() { $("input[name=rmr]").click(function() { //Get totale amount var total = parseInt($("input[name=mem-totale]").val()); //Get checked value var amount = parseInt($(this).val()); //Change it in your way switch (amount) { case "1": amount = 3; break; case "2": amount = 5.5; break; case "4": amount = 10; break; }; var totale_amount = total + amount; //Put totale in the mem-totale $("input[name=mem-totale]").val(totale_amount); //Put tottale in your label $("div.total-text").text("£" + (totale_amount)); }); }); &lt;/script&gt; &lt;input id="radio-1" type="radio" name="rmr" value="1"&gt; &lt;label for="radio-1"&gt;£3&lt;/label&gt; &lt;input id="radio-2" type="radio" name="rmr" value="2"&gt; &lt;label for="radio-2"&gt;£5.5&lt;/label&gt; &lt;input id="radio-3" type="radio" name="rmr" value="4"&gt; &lt;label for="radio-3"&gt;£10&lt;/label&gt; &lt;div class="total-text" style="font-size:36px"&gt;£10&lt;/div&gt; &lt;input type="hidden" name="mem-totale" value="0" /&gt; </code></pre> <p>Goodluck with it</p>
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    1. POhow can we change the value by using radio buttons
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    1. USYoram de Langen
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