var jwfs = jQuery.noConflict();
var crossFadeDelay = 6000;
var crossFadeSpeed = 1000;
var fpssLoaderDelay = 1000;
var navTrigger = "click";
var autoslide = true;
var fpssPlayText = "Play";
var fpssPauseText = "Pause";
var fpssCookieName = "fpssCookie";
var slideLoader = "slide-loading";
var slideWrapper = "slide-wrapper";
var slideClass = "slide";
var navClass = "navi";
var navClassActiveSuffix = "-active";
var playPauseID = "fpss-container_playButton";
var isShowing = 0;
var firstDelay = false;
var pauseFlag = false;
var ppButton;
var timer;
var slideElements;
var navElements;

var currentSlide = 0;

function initFrontpageSlideshow() {
	fpssDisplay(slideLoader, slideWrapper);
	ppButton = document.getElementById(playPauseID);
	if (autoslide) {
		showPauseButton();
	} else {
		showPlayButton();
	}
	slideElements = jwfs("body").find("." + slideClass);
	navElements = jwfs("body").find("." + navClass);
	if (slideElements.length == 0 || navElements.length == 0) {
		return false;
	}
	for (var i = 0; i < slideElements.length; i++) {
		if (navTrigger == "click") {
			navElements[i].onclick = function () {crossFade(this);};
		} else {
			navElements[i].onmouseover = function () {crossFade(this);};
		}
		if (i != 0) {
			jwfs(slideElements[i]).fadeOut(crossFadeSpeed);
		} else {
			navElements[i].className = navClass + navClassActiveSuffix;
		}
	}
}


function fpssDisplay(a, b) {
	var c = document.getElementById(a);
	var d = document.getElementById(b);
	if (c || d) {
		jwfs(c).show();
		jwfs(d).hide();
		setTimeout(function () {
							 jwfs(c).hide();jwfs(d).fadeIn("def");
							 //ALINHAR TEXTO AO INICIAR (1 de 3)
							 alinharTexto(currentSlide);
							 }, fpssLoaderDelay);
	} else {
		return false;
	}
}


function crossFade(a) {
	currentSlide = null;
	for (var i = 0; i < navElements.length; i++) {
		if (a == navElements[i]) {
			currentSlide = i;
		}
	}
	if (currentSlide != isShowing) {
		if (slideElements[isShowing].offsetHeight) {
			jwfs(slideElements[isShowing]).fadeOut(crossFadeSpeed);
		}
		jwfs(slideElements[currentSlide]).fadeIn(crossFadeSpeed);
		navElements[isShowing].className = navClass;
		navElements[currentSlide].className = navClass + navClassActiveSuffix;
		isShowing = currentSlide;
		clearSlide();
		//ALINHAR TEXTO AO CLICAR(2 de 3)
		alinharTexto(currentSlide);
	}
	return false;
}


function showPlayButton() {
	createCookie(fpssCookieName, "false");
	ppButton.innerHTML = fpssPlayText;
	ppButton.title = fpssPlayText;
	pauseFlag = true;
	clearTimeout(timer);
	firstDelay = false;
}


function showPauseButton() {
	createCookie(fpssCookieName, "true");
	ppButton.innerHTML = fpssPauseText;
	ppButton.title = fpssPauseText;
	pauseFlag = false;
	autoSlide();
}


function ppButtonClicked() {
	if (pauseFlag) {
		showPauseButton();
	} else {
		showPlayButton();
	}
}


function showNext() {
	if (slideElements.length <= 1) {
		return false;
	}
	if (slideElements[isShowing].offsetHeight) {
		jwfs(slideElements[isShowing]).fadeOut(crossFadeSpeed);
	}
	navElements[isShowing].className = navClass;
	if (isShowing == slideElements.length - 1) {
		isShowing = 0;
		jwfs(slideElements[isShowing]).fadeIn(crossFadeSpeed);
	} else {
		jwfs(slideElements[++isShowing]).fadeIn(crossFadeSpeed);
	}
	navElements[isShowing].className = navClass + navClassActiveSuffix;
}


function showPrev() {
	if (slideElements.length <= 1) {
		return false;
	}
	if (slideElements[isShowing].offsetHeight) {
		jwfs(slideElements[isShowing]).fadeOut(crossFadeSpeed);
	}
	navElements[isShowing].className = navClass;
	if (isShowing == 0) {
		isShowing = slideElements.length - 1;
		jwfs(slideElements[isShowing]).fadeIn(crossFadeSpeed);
	} else {
		jwfs(slideElements[--isShowing]).fadeIn(crossFadeSpeed);
	}
	navElements[isShowing].className = navClass + navClassActiveSuffix;
}


function autoSlide() {
	if (!pauseFlag) {
		timer = setTimeout("autoSlide()", crossFadeDelay);
		if (!firstDelay) {
			firstDelay = true;
		} else {
			showNext();
		}
	}
	//ALINHAR TEXTO NO AUTO-SLIDE (3 de 3)
	alinharTexto(currentSlide);
}


function clearSlide() {
	if (!pauseFlag) {
		clearTimeout(timer);
		firstDelay = false;
		autoSlide();
	}
}


function createCookie(a, b, c) {
	if (c) {
		var d = new Date;
		d.setTime(d.getTime() + c * 24 * 60 * 60 * 1000);
		var e = "; expires=" + d.toGMTString();
	} else {
		e = "";
	}
	document.cookie = a + "=" + b + e + "; path=/";
}


function readCookie(a) {
	var b = a + "=";
	var d = document.cookie.split(";");
	for (var i = 0; i < d.length; i++) {
		var c = d[i];
		while (c.charAt(0) == " ") {
			c = c.substring(1, c.length);
		}
		if (c.indexOf(b) == 0) {
			return c.substring(b.length, c.length);
		}
	}
	return null;
}

jwfs(document).ready(function () {initFrontpageSlideshow();});