function switchLanguage () {

	languageSelector = document.getElementById("languageSelector");
	selectedLanguage = languageSelector.value;

	var thisHref = location.href;
	var questionLocation = thisHref.indexOf("?");
	if (questionLocation > 0) {
		thisHref = thisHref.substring(0,questionLocation);
	}
	window.location = thisHref + "?switchLanguage=" + selectedLanguage;
}