function validateName()   
 {   
     //请求的地址   
     var url = '/member/member.jhtml?act=checkLogin';     
     var forms = {memberEmail:document.getElementById("memberEmail").value, password:document.getElementById("password").value};//$F()返回表单控件的值
 
	 var pars = $H(forms);//将对象转换成一个可枚举的和联合数组类似的hash对象
	 var par = pars.toQueryString();//显示username=xj&password=4321；
      
     //创建ajax.Request对象，对应于发送请求   
     var myajax = new Ajax.Request(   
     url,   
     {   
         //请求方式：POST   
         method:'post',   
         //请求参数   
         parameters:par,   
         //指定回调函数   
         onComplete: processResponse,   
         //是否异步发送请求   
         asynchronous:false   
     });   
 }   
 function processResponse(request)   
 {                  
     var action = eval('(' + request.responseText + ')')   ;
     if(action.memberId==0)
     {
     	 
	     	alert('帐号或密码错误');
	     	//var str="<span class=\"fB cRed\">帐号或密码错误&nbsp;&nbsp;</span>";
	     	 
	     	//$("tip").innerHTML = str+$("tip").innerHTML;  
	     
     }else{ 
		window.location="/member/member.jhtml?act=index";      
     } 
 }   
            
 function login()
{

	var va = new Validate("loginForm");
	va.isNull("memberEmail","电子邮件");
	va.isNull("password","密码");
	if(va.getMsg()!="")
	{
		alert(va.getMsg());
		return false;
	}
	
	validateName();
}