js控制可以点击
$("#NextButton").attr("disabled",false).css("pointer-events","auto");
js控制不可点击
$("#NextButton").attr("disabled",true).css("pointer-events","none");
a标签属性设置，默认不可点击
<a id="NextButton" href="#" class="btn blue" disabled="disabled" style="pointer-events: none;"></a>
