var imgRotatorIndex = 0;
var imgRotatorDelay = 4000;
var imgRotator = function() {
	if ( $.browser.msie ) {
    	var fadeDelay = 0;
 	} else {
    	var fadeDelay = 500;
 	}
	
	var $rotatedElements = $('.rotator_container');
	if ($('.rotator_container').length > 1) {
		$($rotatedElements.get(imgRotatorIndex)).fadeOut(fadeDelay);
		imgRotatorIndex++;
		if (imgRotatorIndex >= $rotatedElements.length) {
			imgRotatorIndex = 0;
		}
		$($rotatedElements.get(imgRotatorIndex)).fadeIn(fadeDelay);
		setTimeout(imgRotator, imgRotatorDelay+fadeDelay);
	}
}

var myNav = new navigationObject();
var animBG = new greyBG();
var animGB = new greenBox();
var animPRJ = new showProject();

$(document).ready(function() {
	animBG.init('#main_bg_big_bg_container');

	animGB.init();
	animGB.add('#animation-element-1');
	animGB.add('#animation-element-2');
	animGB.add('#animation-element-3');
	animGB.add('#animation-element-4');
	animGB.add('#animation-element-5');
	if ($('#presentation li').length == 5) {
		animGB.auto(6000);
	}
	
	myNav.init('#presentation');
	myNav.bind(function(id) { animGB.resetAuto(); animGB.show(id); });
	myNav.bind(function(id) { animBG.show(id); });
	
	animGB.show(myNav.getPage());
	
	animPRJ.init();
	
	$('#newsletter input[type="text"]').focus(newsletterFocus).blur(newsletterBlur);
	
	
	$(document).delay(function(){imgRotator()})
	imgRotator();
});

var newsletterFocus = function() {
	if ($(this).val() == 'Twój e-mail') {
		$(this).val('');
	}
}
var newsletterBlur = function() {
	if ($(this).val() == '') {
		$(this).val('Twój e-mail');
	}
}