function changeLanguage(varLanguage){

	y =	this.location.href.indexOf("languageID",0);
	if(y>0){
		newURL =this.location.href.substring(0,y-1);
	}else{
		newURL =this.location.href;
	}
	x = newURL.indexOf("?",0);
	if (x>0){
		strTussen="&";
	}else{
		strTussen="?";
	}
	
	newURL=newURL+strTussen+"languageID="+varLanguage;
	newURL.replace("/", "")	
	this.location.href=newURL;
}