Change youtube video link on Video name click in asp.net

<script type="text/javascript">
      /*
       * Polling the player for information
       */
       
      // Update a particular HTML element with a new value
      function updateHTML(elmId, value) {
        document.getElementById(elmId).innerHTML = value;
      }
      
      // This function is called when an error is thrown by the player
      function onPlayerError(errorCode) {
        alert("An error occured of type:" + errorCode);
      }
      
       // This function is called when the player changes state
      function onPlayerStateChange(newState) {
        updateHTML("playerState", newState);
      }

function onYouTubePlayerReady(playerId,video_ID,wt_title,wt_synopsis,wt_div_id,user_id)
      {
      //alert("hi" + wt_title);
            if(typeof(video_ID)=="string")
            {
                document.getElementById("lbl_title").innerHTML =wt_title;
                //alert(document.getElementById("lbl_title").innerHTML);
                //document.getElementById("ctl00_ContentPlaceHolder1_lbl_synopsis").innerHTML=wt_synopsis;
                document.getElementById("lbl_synopsis").innerHTML =wt_synopsis;
                document.getElementById("hidden_wt_div_id").value =wt_div_id;
                document.getElementById("hidden_user_id").value =user_id;
                document.getElementById("hidden_video_id").value =video_ID;
                //alert("Video ID is=" + video_ID);

                ytplayer = document.getElementById("ytPlayer");
                setInterval(updatePlayerInfo, 250);
                updatePlayerInfo();
                ytplayer.addEventListener("onStateChange", "onPlayerStateChange");
                ytplayer.addEventListener("onError", "onPlayerError");

               //For Database entry
                var xmlhttp;
                if (window.XMLHttpRequest)      // code for IE7+, Firefox, Chrome, Opera, Safari
                {
                    xmlhttp=new XMLHttpRequest();
                }
                else if (window.ActiveXObject)      // code for IE6, IE5
                {
                    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
                }
                else
                {
                    ert("Your browser does not support XMLHTTP!");
                }
                xmlhttp.onreadystatechange = function()
                {
                    if(xmlhttp.readyState==4)
                    {
                    //alert(xmlhttp.responseText);
                    }
                }
                xmlhttp.open("POST","Wocktube_View_Ajax.aspx?reqWtDivID="+wt_div_id+"&reqUserID="+user_id+"&reqWtStatus=0",true);
                xmlhttp.send(null);
                //end database
            }
      }
<pre lang="cs">function loadPlayer(videoID) {

        //var videoID =  document.getElementById(&quot;hidden_video_id&quot;).value.toString();
        //var videoID = &quot;gFnkHHQHVX0&quot;;

        alert(&quot;Function load player VideoID= &quot; + videoID);
        var params = { allowScriptAccess: &quot;always&quot; , allowfullscreen: &quot;true&quot; };
        var atts = { id: &quot;ytPlayer&quot; };

        var strSWF=&quot;http://www.youtube.com/v/&quot; + videoID +&quot;?version=3&amp;enablejsapi=1&amp;playerapiid=player1&quot;;

        swfobject.embedSWF(&quot;http://www.youtube.com/v/&quot; + videoID +
                           &quot;?version=3&amp;enablejsapi=1&amp;playerapiid=player1&quot;,
                           &quot;videoDiv&quot;, &quot;360&quot;, &quot;270&quot;, &quot;9&quot;, null, null, params, atts);

      }
      function _run() {
        //loadPlayer();
      }
      google.setOnLoadCallback(_run);
    &lt;/script&gt;