cookie.js

介绍了javascript的常用的函数

function readCookie(name){
	cookieValue = "";
	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, day){
	expire = "";
	expire = new Date((new Date()).getTime() + day * 86400000);
	expire = "; expires=" + expire.toGMTString();
	document.cookie = name + "=" + escape(value) + expire;
}