//登陆
function userLogin()
{
 var da=checkLogin();
 $.post("loginhandler.aspx",da,function (data){
    var strRes=new Array();
    strRes=data.split(",");
      if(strRes[0]=="ok"){  
    document.getElementById("top_left_off").style.display = "none";
       document.getElementById("willnone").style.display = "none"; 
   document.getElementById("top_left_on").style.display = "block"; 
    document.getElementById("lbname").innerText=strRes[1];
    return;
      }
      else{
      alert(data);
      return;
      }
 }
 );
}

if(document.addEventListener){//如果是Firefox
document.addEventListener("keypress",fireFoxHandler, true);
}else{
document.attachEvent("onkeypress",ieHandler);
}

function fireFoxHandler(evt){
//alert("firefox");
if(evt.keyCode==13){
  userLogin();
}
}

function ieHandler(evt){
//alert("IE");
if(evt.keyCode==13){
    userLogin();
}
}

/*
检查输入
*/
function checkLogin()
{
   var userName=$("#txtusername").val();
   var userPwd=$("#userpassword").val();
   if(userName==""||userName. length<6)
   {
   alert("请输入正确用户名！");
    return ;
   }
     if(userPwd==""||userPwd. length==0)
   {
   alert("请输入密码！");
    return;
   }
  var da= "userName=" + userName +"&kind=UserLogin&userPwd="+userPwd;
  return da;
}

/*
设置为首页
*/
function setHomepage()
    {
         if (document.all)
            {
                document.body.style.behavior='url(#default#homepage)';
                document.body.setHomePage("http://www.artnet.cn");
         
            }
            else if (window.sidebar)
            {
                if(window.netscape)
                {
                    try
                    { 
                        netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
                    } 
                    catch (e) 
                    { 
                        alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" ); 
                    }
            }
            var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
            prefs.setCharPref('browser.startup.homepage',"http://www.artnet.cn");
         }
    }
  /*
注册
*/
function goReg()
{
window.location.href="Reg.aspx";
}