js弹窗

var selectUrl = function(url,title,area){
layer.open({
type: 2,
title: [title,'background:#fafbfc;border-top:solid 2px #0172ff;color:#1f60ca;font-size:16px;font-family:微软雅黑'],
shadeClose: false,
shade: [0.7,'#fff'],
area: [area[0]+'px', area[1]+'px'],
moveType:1,
shift:2,
content: url, //iframe的url
scrollbar: false
});
};

<li><a href="javascript:selectUrl('<%=contextPath%>/line/help.do','帮助中心',[800,480]);">帮助</a>