[cf]js[cf]

<script src="https://www.klsogo.com.my/catalog/test/jquery.min.js" type="text/javascript"></script><script type="text/javascript">
// <![CDATA[
$(document).ready(function(){
    $("select").change(function(){
        $(this).find("option:selected").each(function(){
            if($(this).attr("value")=="content1"){
                $(".box").not(".content1").hide();
                $(".content1").show();
            }
            else if($(this).attr("value")=="content2"){
                $(".box").not(".content2").hide();
                $(".content2").show();
            }
			//start copy utk tambah content
            else if($(this).attr("value")=="content3"){
                $(".box").not(".content3").hide();
                $(".content3").show();
            }
			
			//end copy utk tambah content
            else{
                //$(".box").hide();
				$(".box").not(".default").hide();
                $(".default").show();
            }
        });
    }).change();
});
// ]]></script>
<div style="width: 100%;">
<div style="float: left; width: 50%;">Left Stuff</div>
<div style="float: left; width: 50%;"><select>
<option>Choose Content</option>
<option value="content1">content1</option>
<option value="content2">content2</option>
</select></div>
</div>
<div class="default box" style="width: 100%;">
<div style="float: left; width: 33%;">Left Stuff Default</div>
<div style="float: left; width: 34%;">Middle Stuff Default</div>
<div style="float: left; width: 33%;">Right Stuff Default</div>
</div>
<div class="content1 box" style="width: 100%;">
<div style="float: left; width: 33%;">Left Stuff Content 1</div>
<div style="float: left; width: 34%;">Middle Stuff Content 1</div>
<div style="float: left; width: 33%;">Right Stuff Content 1</div>
</div>
<div class="content2 box" style="width: 100%;">
<div style="float: left; width: 33%;">Left Stuff Content 2</div>
<div style="float: left; width: 34%;">Middle Stuff Content 2</div>
<div style="float: left; width: 33%;">Right Stuff Content 2</div>
</div>
&nbsp;