How do I escape a string inside javascript inside an onClick handler?

<a href="#" onclick="SelectSurveyItem('<%itemid%>', '<%itemname%>'); return false;">Select</a>

<a href="#" onclick="SelectSurveyItem('<% JSEncode(itemid) %>', '<% JSEncode(itemname) %>'); return false;">Select</a>

<a id="tehbutton" href="somewhereToGoWithoutWorkingJavascript.com">Select</a>

<script type="text/javascript">//<!-- <![CDATA[
jQuery(function($){
   $("#tehbutton").click(function(){
        SelectSurveyItem('<%itemid%>', '<%itemname%>');
        return false;
   });
});
//]]>--></script>

<a id="link_1" href="foo">Bar</a>
<a id="link_2" href="foo2">Baz</a>

<script type="text/javascript">
   jQuery(function($){
        var l = [[1,'Bar'],[2,'Baz']];
        $(l).each(function(k,v){
           $("#link_" + v[0] ).click(function(){
                SelectSurveyItem(v[0],v[1]);
                return false;
           });
        });
   });
 </script>

<a id="someLinkId"href="#">Select</a>
<script type="text/javascript">
  document.getElementById("someLinkId").onClick =
   function() {
      SelectSurveyItem('<%itemid%>', '<%itemname%>'); return false;
    };

</script>

<a href="#" itemid="<%itemid%>" itemname="<%itemname%>" onclick="SelectSurveyItem(this.itemid, this.itemname); return false;">Select</a>