window.addEvent('domready', init);

function init(){
	var signin_btn = $('signin_btn');
	if (signin_btn){
		signin_btn.addEvent('click', handleLogin);
		signin_btn.set('href', '#');
	}
}

function handleLogin(p_event){
	var login_form = $('login_form');
	if (login_form){
		login_form.toggleClass('hidden');
	}
		
	var signin_btn = $('signin_btn');
	if (signin_btn){
		signin_btn.toggleClass('sign_in_down');
		signin_btn.toggleClass('sign_in_up');
	}
		
	p_event.stop();
}