function showDetail() { 
//背景
  var bgObj=document.getElementById("bgDiv");
  bgObj.style.width = document.body.offsetWidth + "px";
  bgObj.style.height = screen.height + "px";

//定义窗口
  var msgObj=document.getElementById("msgDiv");
  msgObj.style.marginTop = -75 +  document.documentElement.scrollTop + "px";

//关闭
  document.getElementById("msgShut").onclick = function(){
  bgObj.style.display = msgObj.style.display = "none";
  }
  msgObj.style.display = bgObj.style.display = "block";
  msgDetail.innerHTML="<p style=\"color:red;text-align:center;\">联系我们(测试中尽情谅解)</p><p style=\"margin-left:20px;\"><form action=\"/feedback.php\" method=\"post\" name=\"fbContent\" id=\"form1\">公司名称：&nbsp;&nbsp;<input type=\"text\" />*<br />公司网站：&nbsp;&nbsp;<input type=\"text\" /><br />姓名：&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type=\"text\" />*<br />职务：&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type=\"text\" /><br />电话(手机)：<input type=\"text\" />*<br />传真：&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type=\"text\" /><br />电子邮件：&nbsp;&nbsp;<input type=\"text\" /><br />订货种类：&nbsp;&nbsp;<select><option>方案一</option><option>方案二</option></select><br />订货量：&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type=\"text\" />吨<br />交货地点：&nbsp;&nbsp;<input type=\"text\" /><br />交换时间：&nbsp;&nbsp;<input type=\"text\" /><br />包装要求：&nbsp;&nbsp;<select><option>25KG/袋</option><option>方案二</option></select><br />其他说明：&nbsp;<textarea rows=\"10\" cols=\"30\"></textarea><br /><input type=\"submit\" name=\"submit\" value=\"发送\" class=\"btn\" style=\"margin:10px 0 10px 140px;\"></input></form></p>"
}