var httpLang = createRequestObject();

function createRequestObject() {
	var roLang;
	var browserLang = navigator.appName;
	if(browserLang == "Microsoft Internet Explorer"){
		roLang = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		roLang = new XMLHttpRequest();
	}
	return roLang;
}

function setLangID(langID) {
	httpLang.open('get', '_lang.php?langID='+langID);
	httpLang.onreadystatechange = handleLangID;
	httpLang.send(null);
}

function handleLangID() {
	if( httpLang.readyState == 4 ){ location.reload(true); }
}

function setLang(langID){
	setLangName="confLangID";
	setLangValue=langID;
	var setLangDate=new Date();
	setLangDate.setTime(setLangDate.getTime()+(31*24*60*60*1000));
	var setlangExpires="; expires="+setLangDate.toGMTString();
	document.cookie=setLangName+"="+setLangValue+setlangExpires+"; path=/";
	setLangID(langID);
}