JavaScript function that alternates YouTube embed sources? (No iframe) -

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the intention upon clicking button youtube video embed code (without iframe) generate youtube video embed code - here html:

<p><button onclick="philscode()">click here!</button></p> +  <div id="video0"><embed src="https://www.youtube.com/v/dp_zpemrjxy" wmode="transparent" type="application/x-shockwave-flash" width="200px" height="140px" allowfullscreen="true"></div>

i need embedded youtube video (above) replaced youtube video. don't want have use jquery either. here javascript have currently:

<script>       var embedcodes = ["https://www.youtube.com/watch?v=0vxq6k6ylm0"];       function philscode()      {document.getelementbyid("video0").innerhtml = embedcodes [0];  </script>

here demo http://embed.plnkr.co/phmnaqd2jqa4rh8itk0i

 <script>         var embedcodes = ["http://www.youtube.com/v/xgsy3_czz8k"];         function philscode()         {             var el =   document.getelementbyid("video0embed");             var clone=el.clonenode(true);             clone.setattribute('src', embedcodes [0]);             el .parentnode.replacechild(clone,el );         }     </script>     <p><button onclick="philscode()">click here!</button></p>     <div id="video0">         <embed width="420" height="315" id="video0embed"                src="https://www.youtube.com/v/dp_zpemrjxy">     </div>

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