function UserLogin_Submit_Logout(form)
{
	form.submit();
}
function UserLogin_Submit_Login(form)
{
  var strSearch = window.location.search;
	if(trim(form.UserLogin_UserID.value) == "") {
		alert("输入用户名不能为空");
		form.UserLogin_UserID.focus();
		return false;
	}
	else if(trim(form.UserLogin_UserPassword.value) == "") {
		alert("输入密码不能为空");
		form.UserLogin_UserPassword.focus();
		return false;		
	}
	else{
	  form.UserLogin_queryString.value=strSearch;
		return true;		
	}
}