function get_cookie( Name ) {
        var search = Name + "=";
        if( document.cookie.length > 0 ) { // if there are any cookies
                offset = document.cookie.indexOf( search );
                if( offset != -1 ) { // if cookie exists 
                        offset += search.length;
                        // set index of beginning of value
                        end = document.cookie.indexOf(";", offset);
                        // set index of end of cookie value
                        if( end == -1 ) {
                                end = document.cookie.length;
                        }
                        return unescape( document.cookie.substring( offset, end ));
                }
        } else {
                return false;
        }
}

function set_cookie (name,value,expires,path,domain,secure) {
  document.cookie = name + "=" + escape (value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
}

function expiration(days) {
        var expires = new Date();
        var today = new Date();
        expires.setTime( today.getTime() + (1000*60*60*24*parseInt(days)) );
        return expires;
}