php - Javascript is not working on ajax call -


i've multiple select on code onchange function ajax call,when value passed through ajax gets data database , plot chart highcharts script,my problem javascript not worrking on ajax call,please suggest best,thanks in advance

source.php

 <script>     function something(str)     {         if (str=="")           {          document.getelementbyid("div1").innerhtml="";           return;           }         if (window.xmlhttprequest)          {          xmlhttp=new xmlhttprequest();           }            else            {              xmlhttp=new activexobject("microsoft.xmlhttp");              }          xmlhttp.onreadystatechange=function()            {          if (xmlhttp.readystate==4 && xmlhttp.status==200)           {            document.getelementbyid("div1").innerhtml=xmlhttp.responsetext;             }           }       xmlhttp.open("get","destination.php?q="+str,true);      xmlhttp.send();      } </script>  <body>  <select multiple="multiple" onchange="something(this.value);">  <option>value1</option>  ...... <option>valuen</option></select>   <div id="div1"></div>

destination.php

on here (destination page) data database using requested value ajax

<?php  include("config.php"); $var=$_request['str'];  $query=mysql_query("select * table column=$var");  while($row=mysql_fetch_array($query))  {     $value[]=$row['data']; }  <script> <!--- here highcharts script ploting graph above fetching value database --!>   </script>  ?>


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