function changeThemeFun(themeName) {/* 更换主题 */
    var $easyuiTheme = $('#easyuiTheme');
    var url = $easyuiTheme.attr('href');
    var href = url.substring(0, url.indexOf('themes')) + 'themes/' + themeName + '/easyui.css';
    $easyuiTheme.attr('href', href);
 
    var $iframe = $('iframe');
    if ($iframe.length > 0) {
        for ( var i = 0; i < $iframe.length; i++) {
            var ifr = $iframe[i];
            $(ifr).contents().find('#easyuiTheme').attr('href', href);
        }
    }
 
    $.cookie('easyuiThemeName', themeName, {
        expires : 7
    });
};
if ($.cookie('easyuiThemeName')) {
    changeThemeFun($.cookie('easyuiThemeName'));
}