Split string for deep link

1

Hello everyone,

How can i split my link so i only get the second part out of my link
right now i’m getting this: http://somesite.com/index.html?bpKey=Hub_Intro
and i only want the second part of this : bpKey=Hub_Intro to

please help out! :hr:

i have this piece of code here :



</div>

          <div style="text-align:middle; margin-middle:">
              <FORM NAME="myform">
            
            <SELECT NAME="mylist" onChange="nav()">
            <OPTION VALUE="none"> Select a language
            <OPTION VALUE="../fr/"> Français
            <OPTION VALUE="../de/"> Deutsch
            </SELECT>
            </FORM>
          
      </div>


<SCRIPT LANGUAGE="javascript">

  var deepLink = '';

 function nav()
   {
   var w = document.myform.mylist.selectedIndex;
   var url_add = document.myform.mylist.options[w].value;
      if (url_add != "none")
      {
          window.location.href = url_add + "?" + deepLink;  
      }
   }

  function setDeepLink( dl )  {
    alert(dl);
    deepLink = dl;
  }

</SCRIPT>