var curObj = 0;
var countObj = 0;
var swapBgPcs = 1;
var pcsJsArr = new Array();
var linksJsArr = new Array();
var titlesJsArr = new Array();
var descJsArr = new Array();
var s0 = '';
var s1 = '';
var s3 = '';
var t = 0;
stopTimeInt = 5000;

function changeImg (sendObj, start) {
	if (sendObj>0) curObj = sendObj;
	
	
	//Schovam a zobrazim texty na pozadi
	if (start) {
		//Priradime prvni pozadi
		$('#slider').css('background-image', 'url('+pcsJsArr[0]+')');
		
		//Prichystame druhy obrazek pozadi
		$('#slider_over').animate({opacity: 0}, 0);
		$('#slider_over').css('background-image', 'url('+pcsJsArr[1]+')');
		
		//Zobrazim text na pozadi: titulek
		s0 = titlesJsArr[0];
		$('#slider_title').html(s0);

		//Zobrazim text na pozadi: popisek
		s1 = descJsArr[0];
		$('#slider_content').html(s1);

		if (s0 + s1 != '') $('#slider_texty').animate({opacity: 1}, 1000,	function() {});
		
		//Zobrazim odkaz
		s3 = linksJsArr[0];
		if (s3!='')  {
			$('#slider_link').attr('href', s3);
			$('#slider_link').show();
		}
		if (countObj > 0) nextCall = setTimeout("changeImg(swapBgPcs, false)",stopTimeInt);
	}else{
		$('#slider_texty').animate({opacity: 0}, 500,	function() {


			//Zobrazim text na pozadi: titulek
			s0 = (titlesJsArr[swapBgPcs] != '') ? titlesJsArr[swapBgPcs] : '';
			$('#slider_title').html(s0);

			//Zobrazim text na pozadi: popisek
			s1 = (descJsArr[swapBgPcs] != '') ? descJsArr[swapBgPcs] : '';
			$('#slider_content').html(s1);

			if (s0 + s1 != '') $('#slider_texty').animate({opacity: 1}, 1000,	function() {});

		});

		//Prekryji stare pozadi body pozadim v divu
		$('#slider_over').animate({opacity: 1}, 1500,

		function() {
			// Animation complete.
			//Zobrazim odkaz z pozadi
			s3 = (linksJsArr[sendObj] != '') ? linksJsArr[sendObj] : '';
			$('#slider_link').attr('href', s3);
			if (s3!='')  {
				$('#slider_link').show();
			}else{
				$('#slider_link').hide();	
			}


			//Priradim nove pozadi do body
			$('#slider').css('background-image', $('#slider_over').css('background-image'));
			$('#slider_over').fadeTo(0, 0);

			if ((swapBgPcs + 1) == countObj) {
				swapBgPcs = 0;
			}else{
				swapBgPcs = swapBgPcs+1;
			}

			//Nactu do divu nove pozadi
			$('#slider_over').css('background-image', 'url('+pcsJsArr[swapBgPcs]+')');

			nextCall = setTimeout("changeImg(swapBgPcs, false)",stopTimeInt);
		});
	}

}