/*
 * author : smallfish <smallfish.xy@gmail.com>
 * file   : by.utils.js
 * desc   : some function utils
 */

// cookie function
function readCookie(name){
    var cookieValue = "";
    var search = name + "=";
    if(document.cookie.length > 0){ 
        offset = document.cookie.indexOf(search);
        if (offset != -1){ 
            offset += search.length;
            end = document.cookie.indexOf(";", offset);
            if (end == -1) end = document.cookie.length;
            cookieValue = unescape(document.cookie.substring(offset, end))
        }
    }
    return cookieValue;
}

function writeCookie(name, value, hours){
    var expire = "";
    if(hours != null){
        expire = new Date((new Date()).getTime() + hours * 3600000);
        expire = "; expires=" + expire.toGMTString();
    }
    document.cookie = name + "=" + escape(value) + expire;    
}

// document.write -> pout
function pout(str){
    document.write(str);
}

function decode(str){
    strs = str.split("OOOOO");
    result = "";
    for(i = 1; i < strs.length; i++){
        result += String.fromCharCode(parseInt(strs[i])+5);
    }
    return result;
}