使用jq制作对话弹出窗口插件

$("#demo").click(function(){    $(".demo").fbmodal({        title: "JS代码网",         cancel: "取消",         okay: "确定",   okaybutton: true, cancelbutton: true,      buttons: true,      opacity: 0.0,      fadeout: true, overlayclose: true,     modaltop: "30%",   modalwidth: "400"     }); });