function getCookie(name) {
    var sPos = document.cookie.indexOf(name + "=");
    var len = sPos + name.length + 1;
    if((!sPos) && (name != document.cookie.substring(0, name.length))){
        return null;
    }
    if(sPos == -1){
        return null;
    }
    var ePos = document.cookie.indexOf(';', len);
    if(ePos == -1) ePos = document.cookie.length;
    return unescape(document.cookie.substring(len, ePos));
} 

function setCookie(name, value, expires, path, domain, secure){
    var today = new Date();
    if(expires){
        expires = expires * 1000 * 3600 * 24;
    }
    document.cookie = name+'='+escape(value) +
        ((expires) ? ';expires=' + new Date(today.getTime() + expires).toGMTString() : '') +
        ((path) ? ';path=' + path : '') +
        ((domain) ? ';domain=' + domain : '') +
        ((secure) ? ';secure' : '');
} 

function deleteCookie(name, path, domain){
	if(getCookie(name)){
        setCookie(name, '', -30, path, domain);
    }
}
function setckie(name, value) {
	setCookie(name, value, 500, '/', '','')
}