防止表單重複提交

使用方法setTimeout

onlyonce($("#generate"));

function onlyonce($button){
    $button.attr("disabled",false).css("background","#ddeef0 none repeat scroll 0 0");
    $button.click(function(){
        $(this).attr("disabled",true).css("background","#f0f0f0 none repeat scroll 0 0");
        window.setTimeout(function(){
           $button.attr("disabled",false).css("background","#ddeef0 none repeat scroll 0 0");
        },2500);
    })
  }