/* cookies API */
var Cookies = {

    set:function(c_name,value,expiredays){
        var exdate=new Date();
        exdate.setDate(exdate.getDate()+expiredays);
        document.cookie=c_name+ "=" +escape(value)+
        ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
    },
    
    get:function(c_name){
        if (document.cookie.length>0){
            var c_start=document.cookie.indexOf(c_name + "=");
            if (c_start!=-1){
                c_start=c_start + c_name.length+1;
                c_end=document.cookie.indexOf(";",c_start);
                if (c_end==-1) c_end=document.cookie.length;
                return unescape(document.cookie.substring(c_start,c_end));
            }
        }
        return "";
    }

}