function changeLang(lang,page){
	setLangCookie(lang);
	document.location=page;
}
function checkLang(to_type,page){
	cv=getCookie('atmosenergy_lang');
	if(to_type==cv){ document.location=page; }
}
function setLangCookie(lang){
	var d = new Date();
	d.setDate(d.getDate()+365);

	var name	="atmosenergy_lang";
	var value	=lang;
	var expires	="expires="+d.toUTCString()+";";
	var path	="path=/;";
	var domain	="domain=atmosenergy.com";
	var secure	="";

	document.cookie=name+'='+value+';'+expires+path+domain+secure;
}
function deleteLangCookie(){
	var name	="atmosenergy_lang";
	var value	="";
	var expires	="expires=Thu, 01-Jan-70 00:00:01 GMT;";
	var path	="path=/;";
	var domain	="domain=atmosenergy.com";
	var secure	="";

	document.cookie=name+'='+value+';'+expires+path+domain+secure;
}
function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}