<script type="text/javascript">
$(window).load(function(){
var imgUrl = $('img')[0].src;
var urlParams = imgUrl.split("&");

$.each(urlParams, function(i, val){
  if(val.substr(0,11) == "orderValue=") {
    orderValue = val.substr(11);
  } else {
    orderValue = urlParams.join();
  }
});

$('#output').html(orderValue);
});
</script>