function mgwalk_login()
	{
	if(document.login_form.username.value != '')
		{
		if(document.login_form.password.value != '')
			{
			document.login_form.submit()
			}
		else
			{
			alert("Please Enter Your Password.");
			document.login_form.password.focus();
			}
		}
	else
		{
		alert("Please Enter Your Username.");
			document.login_form.username.focus();
		}
	}