<script>
// get the current url
var curUrl = window.location.href
// Extract the utm codes
var myRegExp = /(utm_\w+=\w+[^&])/g;
var utms = curUrl.match(myRegExp)
//Extract the destination url
var destinationRegex = /destination=(.+?)(&utm|$)/;
var rawdDestination = curUrl.match(destinationRegex)[1]
var decodedDestination = decodeURIComponent(rawdDestination)
// build a new url with the utm codes
var utmJoined = utms ? utms.join("&"): ""
var newUrl = decodedDestination+"/"+utmJoined
// Redirect to the new url
window.location = encodeURI(newUrl);
</script>