function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function eraseCookie(name) {
	createCookie(name,"",-1);
}
function setCookie(c_name,value,expiredays) {
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+(expiredays));
    document.cookie=c_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
}
function deleteCookie(c_name) {
    setCookie(c_name,"",-1);
}
function setLanguageCookie(lang) {
    deleteCookie("ulang");
    setCookie("ulang",lang,1);
    location.reload(true);
}