// JavaScript Document

//js获取cookie
var acookie=document.cookie.split("; ");
function getcookie(sname){
//获取单个cookies
	for(var i=0;i<acookie.length;i++){
		var arr=acookie[i].split("=");
		if(sname==arr[0]){
			if(arr.length>1)
				return unescape(arr[1]);
			else
				return "";
		}
	}
	return "";
}

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 + '=' + encodeURIComponent(value) + expire;
}