function UserLogin160_Logout(form){ form.submit(); } function UserLogin160_Login(form){ if(trim(form.UserLogin160_UserID.value) == "") { alert("输入用户名不能为空"); form.UserLogin160_UserID.focus(); return false; } if(trim(form.UserLogin160_Password.value) == "") { alert("输入密码不能为空"); form.UserLogin160_Password.focus(); return false; } var strSearch = window.location.search; form.UserLogin160_queryString.value=strSearch; return true; }