//获取cookie
function getstyleCookie(name) {
	var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
	var result = "";
	if(arr != null){
		result = unescape(arr[2]);
	}
	return result;
}

//添加cookie
function setstyleCookie(name,value) {
	var day = 365;//此cookie将保存365天
	var expires = new Date();
	expires.setTime(expires.getTime() + day * 1000 * 3600 * 24);
	document.cookie = name + "=" + escape(value) + ";path=/;expires=" + expires.toGMTString();
}

function setstyle(ys){
	document.getElementById("style").setAttribute("href","http://58.213.117.87/pic/"+ys+".css");
	setstyleCookie('css',ys);
}

function setcss(){
	var mycss=getstyleCookie('css');
	if(mycss != ""){
		document.getElementById("style").setAttribute("href","http://58.213.117.87/pic/"+mycss+".css");
	}else{
		document.getElementById("style").setAttribute("href","http://58.213.117.87/pic/blue.css");
	}
}