//首页登陆判断
function CheckfrmLogin()
{
	if(document.frmLogin.txtAccountNo.value=="")
	{
		alert("请输入帐号！");
		document.frmLogin.txtAccountNo.focus();
		return false;
	}
	if(document.frmLogin.txtPassword.value == "")
	{
		alert("请输入密码！");
		document.frmLogin.txtPassword.focus();
		return false;
	}
	if(document.frmLogin.txtToken.value == "")
	{
		alert("请输入验证码！");
		document.frmLogin.txtToken.focus();
		return false;
	}
}