var t0, t1, t2, t3, t4, t5, nt, time, drop, slides, c;

function showMenu(id) {
	drop = 'drop_' + id;
	$(drop).setStyle('left', ($(id).getPosition()).x + 2);
	$(drop).setStyle('top', ($(id).getPosition()).y + ($(id).getSize()).y);
	$('drop_servicii').setStyle('display', 'none');
	$('drop_topocad').setStyle('display', 'none');
	$('drop_statii_totale').setStyle('display', 'none');
	$('drop_gps').setStyle('display', 'none');
	$('drop_teodolite_nivele').setStyle('display', 'none');
	$('drop_scannere').setStyle('display', 'none');
	$('servicii').removeClass('active');
	$('topocad').removeClass('active');
	$('statii_totale').removeClass('active');
	$('gps').removeClass('active');
	$('teodolite_nivele').removeClass('active');
	$('scannere').removeClass('active');
	$(drop).setStyle('display', 'block');
	$(id).addClass('active');
}

function hideMenu(id) {
	drop = 'drop_' + id;
	$(drop).setStyle('display', 'none');
	$(id).removeClass('active');
}

function init(input) {
	slides = input;
	slides[slides.length] = slides[0];
	$('current_slide').setStyle('backgroundImage', 'url(' + slides[0] + ')');
	$('next_slide').setStyle('backgroundImage', 'url(' + slides[1] + ')');
	setInterval('nextSlide()', 5000);
}

function nextSlide() {
	$('current_slide').setStyle('backgroundImage', 'url(' + slides[0] + ')');
	$('current_slide').fade('show');
	$('next_slide').setStyle('backgroundImage', 'url(' + slides[1] + ')');
	$('current_slide').fade('out');
	for (var i=0; i<slides.length; i++) {
		slides[i] = slides[i+1];
	}
	slides[slides.length-1] = slides[0];
}

function initNews(timeout) {
	c = 0;
	time = timeout;
	slides_news = $('news').getElements('div.slide');
	for (var i=1; i<slides_news.length; i++) {
		slides_news[i].fade('hide');
	}
	nt = setInterval('c = slideNews(c);', time);
}
function slideNews(index) {
	slides_news[index].fade('out');
	if (index < slides_news.length-1) {
		slides_news[index+1].fade('in');
		return index+1;
	} else {
		slides_news[0].fade('in');
		return 0;
	}
}