var url = "mb_login_process.jsp";
window.onload=function(){
  if($("tUname")){
     $("tUname").focus();
  }
  if($("tUname")){
    EV.observe($("tUname"),"keydown",enterKey);
  }
  if($("tUpasd")){
    EV.observe($("tUpasd"),"keydown",enterKey);
  }
};
function enterKey(e){
   var code = e.keyCode;
   if(code == 13){
     //回车
     login();
   }
}
/**
* uname : 登陆名
* upwd  : 密码
* verify: 验证码
**/
function login_server(uname,upwd,verify){
  try{
  // show loading 
  createloading();
   var param = {act:"login",tUname:uname,tUpasd:upwd,tUcode:verify};
   $Ajax(url,param,false,"post",process);
   }catch(e){
     alert("Ajax:"+e.description);
   }
}
function createVerify(){
  try{
  if($("hid1").childNodes.length == 0){
	  var td1 = document.createElement("td");
	  td1.setAttribute("height","45");
	  td1.appendChild(document.createTextNode("验证码"));
	  var td2 = document.createElement("td");
	  td2.innerHTML = '<input type="text" name="tUcode" id="tUcode" class="mb_inpu" style="width:80px;" maxlength="4"/>&nbsp;<img  align="absMiddle" src="../include/randomingb.jsp?tm='+new Date().getTime()+'" border="0" style="width:105px;height:28px;"/>';
	  $("hid1").appendChild(td1);
	  $("hid1").appendChild(td2);
	  $("hid1").style.display = '';
  }else{
     var img = $("hid1").getElementsByTagName("img")[0];
     img.src = "../include/randomingb.jsp?tm="+new Date().getTime();
  }
  }catch(e){
    alert("sss>>>"+e.description);
  }
}
function process(IIa){
  var val = eval(IIa.responseText);
  if(val.error_msg){
    //处理错误信息
    $("msg").innerHTML = val.error_msg;
    if(parseInt(val.count) >= 3){
      createVerify();
    }
    $(val.obj).focus();
    //cleardisabled();
    return ;
  }
  location.href = val.page;
}
//show loading
function createloading(){
  $("msg").innerHTML = '正在登陆请稍等．．．';
  var inputs = document.getElementsByTagName("input");
  var As      = document.getElementsByTagName("a");
  for(var i=0; i<inputs.length; i++){
    inputs[i].disabled = false;
  }
  for(var i=0; i<As.length; i++){
     As[i].disabled = false;
  }
}
function cleardisabled(){
  var inputs = document.getElementsByTagName("input");
  var As      = document.getElementsByTagName("a");
  for(var i=0; i<inputs.length; i++){
    inputs[i].disabled = true;
  }
  for(var i=0; i<As.length; i++){
     As[i].disabled = true;
  }
}