添加、獲取cookie

//添加cookie
var addCookie = function(name,value,expiresMins){
	var date = new Date();
	date.setTime(date.getTime()+expiresMins*60*1000);
	document.cookie=name+"="+value+";path=/;expires="+date.toGMTString;
}
//獲取cookie
var getCookie =function(name){
	var strCookie=document.cookie;
	var arrCookie=strCookie.split("; ");
	for(var i=0;i<arrCookie.length;i++){
		var arr=arrCookie[i].split("=");
		if(arr[0]==name){
			return arr[1];
		}
	}
	return "";
}