function login(){
	var ulogin=m$('userLogin');
	var url_temp = document.getElementById('url_temp');
	var upass=m$('userPass');
	if(loginName(ulogin) && passWord(upass)){
		m$('subPage').style.display='none';m$('subPageSub').style.display='';
		formRequest(contextPath+'/user_r/u_login_a.jspx?un='+ulogin.value+'&up='+upass.value+
		(url_temp && url_temp.value.trim()!=''?("&go_url="+encodeURIComponent(encodeURIComponent(url_temp.value))):"")+
		"&b_"+new Date().getTime(),{'cellObj':showResult});
	}
}

function showResult(data){
	if(data.result && data.flag==99 ){
		parent.window.location=data.url;
	}else if(data.result && data.flag==98){
		parent.window.location="";
	}else{
		m$('subPage').style.display='';
		m$('subPageSub').style.display='none';
		switch(data.flag){
			case 1: showMsg.innerHTML="用户名不存在";
				break;
			case 2: showMsg.innerHTML="密码错误";
				break;
			case 3: showMsg.innerHTML="请输入用户名";
				break;
			case 4: showMsg.innerHTML="请输入密码";
				break;
			case 5: showMsg.innerHTML="此用户已经被禁用";
				break;
			case 6: showMsg.innerHTML="此用户为非法用户";
				break;
			default:showMsg.innerHTML="系统出错,稍后再试";
		}
	}
}

function loginName(lname){
	showMsg.innerHTML="";
	if(lname.value && lname.value.trim()!='')return true;
	showMsg.innerHTML="*请输入用户名...";
}

function passWord(pword){
	showMsg.innerHTML="";
	if(pword.value && pword.value.trim()!='')return true;
	showMsg.innerHTML="*请输入密码...";
}