(function ($) {
    $.fn.classData = function () {
        var data  = this.data("classData")
        //if(data) return data;
        
        var str   = this.attr("class");
        if(str) {
            var parts = str.split(/\s+/);
            data  = {};
            for(var i = 0; i < parts.length; ++i) {
                var part = parts[i];
                if(part.indexOf("=") != -1) {
                    var keyVal = part.split("=");
                    data[keyVal[0]] = keyVal[1]
                }
            }
            this.data("classData", data);
            return data
        }
        return {};
    }
})(jQuery)