function setLangCookie(lang) {
	// set a langauge cookie when the user clicks a flag, and reload the page in their chosen language

	var rightNow = new Date() ;
	var oneYearLater = new Date() ;
	
	oneYearLater.setTime(rightNow.getTime() + 360000*24*365) ;

	document.cookie = 'BLUFlang' + '=' + lang + '; expires=' + oneYearLater.toGMTString() ;
	document.location.reload() ;
}