function checkLogin(the_Form)
{
	if(the_Form.username.value=="")
	{
			alert('请输入用户名 ...');
			the_Form.username.focus();
			return false ;
	}
	if(the_Form.userpass.value=="")
	{
			alert('请输入密码 ...');
			the_Form.userpass.focus();
			return false ;
	}
	return true;
}
function setFouse(the_body)
{
		the_body.form1.username.focus();
}