var initStayTime = 6000;
var stayTime = 7000;
var fadeTime = 3000;
var timeout;
var elems = [
	{id:'#img1'}, 
	{id:'#img2'},
	{id:'#img3'}
];
var startImg=Math.floor(Math.random()* elems.length) +1;

function initShowImg(which) {
	switch(which) {
		case 1: 
			$(elems[0].id).fadeIn(500);
			setTimeout(function() {show(2)}, initStayTime);
			break;
		case 2: 
			$(elems[1].id).fadeIn(500);
			setTimeout(function() {show(3)}, initStayTime);
			break;
		case 3: 
			$(elems[2].id).fadeIn(500);
			setTimeout(function() {show(1)}, initStayTime);
			break;			
		default:
			$('elems[0].id').fadeIn(500);
			setTimeout(function() {show(2)}, initStayTime);
	}
}
function show(which) {
	switch(which) {
		case 1: 
			$(elems[2].id).fadeOut(fadeTime);	
			$(elems[0].id).fadeIn(fadeTime);
			timeout = setTimeout(function() {show(2)}, stayTime);	
			break;
		case 2: 
			$(elems[0].id).fadeOut(fadeTime);	
			$(elems[1].id).fadeIn(fadeTime);	
			timeout = setTimeout(function() {show(3)}, stayTime);
			break;
		case 3: 
			$(elems[1].id).fadeOut(fadeTime);	
			$(elems[2].id).fadeIn(fadeTime);
			timeout = setTimeout(function() {show(1)}, stayTime);	
			break;			
		default:
			$(elems[2].id).fadeOut(fadeTime);	
			$(elems[0].id).fadeIn(fadeTime);
			timeout = setTimeout(function() {show(2)}, stayTime);
	}	
}
function showMore() {
	$("#colorLabel").fadeIn();
	$("#pregInput").fadeIn();
	$("#pregLabel").fadeIn();
	$("#segInput").fadeIn();
	$("#segLabel").fadeIn();
	$("#moreButton").hide();
	$("#lessButton").fadeIn();
	document.getElementById("preg").focus();
}
function showLess() {
	$.ajax({
	    type: "POST",
	    url: "yy-news/pvdrocks.php",
	    data: "color=" + document.getElementById("color").value + "&preg=" + document.getElementById("preg").value + "&seg=" + document.getElementById("seg").value,
	    success: function(res){
		$("#color").fadeOut();
		$("#colorLabel").fadeOut();
		$("#pregInput").fadeOut();
		$("#pregLabel").fadeOut();
		$("#segInput").fadeOut();
		$("#segLabel").fadeOut();
		$("#lessButton").fadeOut();
		$("#colorLabel").fadeIn(500);
		document.getElementById("colorLabel").innerHTML=res; 		
	   }
	});
}