function switch_to_UK() {
var sPath = window.location.href;
var pos_qmark = sPath.indexOf("?")
var pos_and_mark = sPath.indexOf("&")
var pos_lang = sPath.indexOf("language")

	if (pos_qmark > 0){
		if (pos_lang > 0){
			if (pos_and_mark > 0) {
				sPath = sPath.replace("&language=NL","")
				window.location=sPath+"&language=UK"
			} else {
				sPath = sPath.replace("?language=NL","")
				window.location=sPath+"?language=UK"
			}
		} else {
			window.location=sPath+"&language=UK"
		}
	} else {
		window.location=sPath+"?language=UK"
	}
}
	
function switch_to_NL() {
var sPath = window.location.href;
var pos_qmark = sPath.indexOf("?")
var pos_and_mark = sPath.indexOf("&")
var pos_lang = sPath.indexOf("language")

	if (pos_qmark > 0){
		if (pos_lang > 0){
			if (pos_and_mark > 0) {
				sPath = sPath.replace("&language=UK","")
				window.location=sPath+"&language=NL"
			} else {
				sPath = sPath.replace("?language=UK","")
				window.location=sPath+"?language=NL"
			}
		} else {
			window.location=sPath+"&language=NL"
		}
	} else {
		window.location=sPath+"?language=NL"
	}
}