//网站换肤
$(function(){
	  var cookie_skin = $.cookie("MyCssSkin");
	  if (cookie_skin) {
	  	switchSkin(cookie_skin);
	  }
	  addEvent();
});

function switchSkin(skinName){
		$("#"+skinName).addClass("selected")  //当前<li>元素选中
		.siblings().removeClass("selected");  //去掉其他同辈<li>元素的选中
	  $("#cssfile").attr("href","/themes/"+ themes +"/style/"+ themes +"/"+ skinName +".css"); //设置不同皮肤
		$.cookie( "MyCssSkin",skinName);
}

function addEvent(){
		var $li =$("#dedecms_skins li");
		$li.click(function(){
			switchSkin(this.id );
		});
		var cookie_skin = $.cookie("MyCssSkin");
		if (cookie_skin) {
			switchSkin(cookie_skin);
		}
}
$.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        var path = options.path ? '; path=' + options.path : '';
        var domain = options.domain ? '; domain=' + options.domain : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};