$('#userLogin').live("keypress", function(event){
	if(event.keyCode=='13'){ 
		event.preventDefault(); 
	}
});

$('#userLogin').live("keyup", function(event){
	if(event.keyCode=='13'){
		$('#Login').trigger('click');
	}
});

$('#Login').live('click',function(event){
	event.preventDefault();
	var enteredUserName = $('#username_field').val();
	var serializedFormData = $("#userLogin").serialize();
	document.getElementById("login").innerHTML="<img src='graphics/spinner.gif' alt='Loading...' /> Please wait while we attempt to log you in.";
	$.post('php/doLogin.php', serializedFormData, function(data){
		if(data!=-1){
			document.getElementById("login").innerHTML="Welcome back, "+enteredUserName+". [<a href='#' id='logout_link'>Logout</a>] <br /><a href='php/userAccount.php'>View Account Information</a>";
			isLoggedIn=true;
			if (loadSave()) {
				startCreditMode();
			}
			updateModeHeader();
		}
		else{
			document.getElementById("login").innerHTML='<span class="badLogin">We could not find an account that matched that username or password.</span> <form id="userLogin">Username: <input type="text" name="username_field" id="username_field"> Password: <input type="password" name="password_field" id="password_field"> <input id="Login" type="button" name="Login" value="Login"></form>';
		}
	});
});