/* controls validation of the login page */
function loginPage(){
	var caseSensitive = 'Field is case sensitive.';
	var invalidField = '<b>Field is invalid.</b>';			
	$('#login-field').focus(function(){
		$('#login-note').fadeIn('fast');
	});		
	$('#login-field').blur(function(){
		$('#login-note').fadeOut('fast');
		$('#login-note').html(caseSensitive);
	});	
	$('#password-field').focus(function(){
		$('#password-note').fadeIn('fast');
	});		
	$('#password-field').blur(function(){
		$('#password-note').fadeOut('fast');
		$('#password-note').html(caseSensitive);
	});				
	$('#login_form').submit(function(){
		var login = $('#login-field').attr('value');
		var password = $('#password-field').attr('value');
		if(!login){
			$('#login-note').html(invalidField);
			$('#login-field').focus();
			return false;
		};
		if(!password){
			$('#password-note').html(invalidField);
			$('#password-field').focus();
			return false;
		};						
	});
};