// JavaScript Document
function $(Id){return document.getElementById(Id);}
function checkform()
{
	if($("userName").value=="")
	{
		$("lbl").innerHTML="用户名不能为空!";
		$("userName").value.focus;
		return false;
		}
	if($("Email").value=="")
	{
		$("lbl").innerHTML="Email不能为空";
		$("Email").value.focus;
		return false;
		}
	if($("Content").value=="")
	{
		$("lbl").innerHTML="Content不能为空";
		$("Content").value.focus;
		return false;
		}
	if($("Code").value=="")
	{
		$("Code").innerHTML="验证码不能为空";
		$("Code").value.focus;
		return false;
		}
	}
function getRadioBoxValue(radioName)
{  
	var obj = document.getElementsByName(radioName); 
	for(i=0;i<obj.length;i++)
	{  
		if(obj[i].checked)
		{  
			return obj[i].value;  
		}  
	}        
}
var xmlHttp
function getCustomer()
{
	Email=$("Email").value;
	Pwd=$("Pwd").value;
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	  {
	  alert ("您的浏览器不支持AJAX！");
	  return;
	  } 
	var url="login.asp";
	url=url+"?action=login";
	url=url+"&Email="+escape(Email);
	url=url+"&Pwd="+escape(Pwd);
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function stateChanged()
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("login").innerHTML=xmlHttp.responseText;
	}
}
function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  	xmlHttp=new XMLHttpRequest();// Firefox, Opera 8.0+, Safari
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}