How to write a login control using form,does it good for login?

[hahaEr2003]

I wanna wirte a login control using form!
but I find I couldn't do it well!when I try to redirect a new page,I had to transalte some paras to this page include password,so ,it will show password in address bar.
does it good for login?
my code like this:

simple.addButton('post, function(){
	if (simple.isValid()) {
	//******redirect;but it isn't good because the password will show in address!!!!
	location.href="loginUser.jsp?userName="+txtbUserName.getValue()+"&password="+txtbPassword.getValue();
		
		}else{
			Ext.MessageBox.alert('Errors', 'Please fix the errors noted.');
		}
	}, simple);
    simple.addButton('Cancel');

    simple.render('form-ct');


anybody can help me?

[evant]

I definitely wouldn't do that. Why do you need to do your login with ajax?

[hahaEr2003]

I definitely wouldn't do that. Why do you need to do your login with ajax?

because it have some valid control ,so it would be short us operator!

[mayurid]

i want to set the cookie before the login like:if the user fails to login by typing wrong user id or password 5 times in 15 minutes then he should be restricted for the next 15 minutes to login.. should recieve an alert or message on window(just like gmail or yahoo)

[mayurid]

please help evant