function popup_buy() {
	var url     = 'buy.html';
	var name    = "dvdshops";
	var height  = 350;
	var width   = 500;
    var top     = 20;
    var left    = 20;

    var options = 'fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=yes,directories=no,location=no,';
    options += 'width='+width + ',height='+height + ',left='+left + ',top='+top;

	window.open(url, name, options);
	return false;
}

function setLang(l) {
 // Called from links which switch the language.
 // Sets cookie with "lang=fr" or other language code, valid for 1 year, on all the site
 var expire = new Date();
 expire.setTime(expire.getTime() + 3600000*24*365);
 document.cookie = 'lang='+l+";expires="+expire.toGMTString()+";path=/";
}