/* Cookies
----------------------*/
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function eraseCookie(name) {
	createCookie(name,"",-1);
}


/* Language Prefs
----------------------*/
var site_title = "sennheiser";
var default_pref = "en";	// preview "en" by default
var _default = "default.aspx";

function loadLanguage () {
	curCookie = readCookie(site_title+"_language");
	if (curCookie == null || !curCookie) {
//		alert("no language defined, setting default: "+default_pref);
		setLanguage(default_pref)
	} else {
//		alert("language is defined to: "+curCookie);
	}
}
// Set Language
function setLanguage(lang) {
	createCookie(site_title+"_language", lang, 20000)
	curCookie = readCookie(site_title+"_language");
}
addEvent(window, 'load', loadLanguage);

// redirect based on language
function redirect() {
	curCookie = readCookie(site_title+"_language");
	if (curCookie != null) {
		top.document.location.replace( curCookie+"/" + _default);
//		alert("redirecting to cookied destination: "+curCookie);
	} else {
		top.document.location.replace( default_pref+"/" + _default);
//		alert("no cookie set, redirecting to default language: "+default_pref);
	}
}


/* Event Listener by Scott Andrew - http://scottandrew.com, edited by Mark Wubben
----------------------*/
function addEvent(obj, evType, fn){
	if(obj.addEventListener){
		obj.addEventListener(evType, fn, false); 
		return true;
	} else if (obj.attachEvent){
		var r = obj.attachEvent('on'+evType, fn);
		return r;
	} else {
		return false;
	}
}