var zdjecia = new Array( 
'http://www.judo-yuko.pl/photo/kuznia0.jpg',
'http://www.judo-yuko.pl/photo/kuznia1.jpg',
'http://www.judo-yuko.pl/photo/kuznia2.jpg',
'http://www.judo-yuko.pl/photo/kuznia3.jpg',
'http://www.judo-yuko.pl/photo/kuznia4.jpg',
'http://www.judo-yuko.pl/photo/kuznia5.jpg',
'http://www.judo-yuko.pl/photo/kuznia6.jpg',
'http://www.judo-yuko.pl/photo/kuznia7.jpg',
'http://www.judo-yuko.pl/photo/kuznia8.jpg',
'http://www.judo-yuko.pl/photo/kuznia9.jpg',
'http://www.judo-yuko.pl/photo/kuznia10.jpg',
'http://www.judo-yuko.pl/photo/kuznia11.jpg',
'http://www.judo-yuko.pl/photo/kuznia12.jpg',
'http://www.judo-yuko.pl/photo/kuznia13.jpg',
'http://www.judo-yuko.pl/photo/kuznia14.jpg'

)
var changeInterwal=5; //sec
var stepOpacity=0.02;
var stepInterwal=70;
var changeItems=15;

/* Changer vars */
var changeLayer= new Array(0,0);
var changeCounter=new Array (0,0);
var changeOpacity= new Array(1,1);


function changeOpacityBySteps(photo,photo1) {

var element=document.getElementById(photo); 
var a=1;
	
if (photo=="zdjecie0") {a=0;}
if (changeLayer[a]==0) {
	changeOpacity[a]=changeOpacity[a]-stepOpacity;
	element.style.opacity=changeOpacity[a];
	element.style.filter='alpha(opacity='+(changeOpacity[a]*100)+')';
	if (changeOpacity[a]>0) {
		if (photo=="zdjecie0") {setTimeout('changeOpacityBySteps("zdjecie0","zdjecie1")',stepInterwal); }
		else {setTimeout('changeOpacityBySteps("zdjecie2","zdjecie3")',stepInterwal); }
		}
	else {
		changeCounter[a]=random(zdjecia.length-1);
		/*changeCounter[a]=changeCounter[a]+2;*/
		/*alert(zdjecia.length-1);*/
		element.src=zdjecia[changeCounter[a]];
		changeLayer[a]=1;
		if (photo=="zdjecie0") {setTimeout('changeOpacityBySteps("zdjecie0","zdjecie1")',1000*changeInterwal); }
		  else {setTimeout('changeOpacityBySteps("zdjecie2","zdjecie3")',1000*changeInterwal); }
	    }
	} 
else{
	changeOpacity[a]=changeOpacity[a]+stepOpacity;
	element.style.opacity=changeOpacity[a];
	element.style.filter='alpha(opacity='+(changeOpacity[a]*100)+')';
	if (1>changeOpacity[a]) {
		if (photo=="zdjecie0") {setTimeout('changeOpacityBySteps("zdjecie0","zdjecie1")',stepInterwal); }
		else {setTimeout('changeOpacityBySteps("zdjecie2","zdjecie3")',stepInterwal); }
	    } 
	else {
		document.getElementById(photo1).src=zdjecia[changeCounter[a]+1];
		changeLayer[a]=0;
		if (photo=="zdjecie0") {setTimeout('changeOpacityBySteps("zdjecie0","zdjecie1")',1000*changeInterwal); }
		  else {setTimeout('changeOpacityBySteps("zdjecie2","zdjecie3")',1000*changeInterwal); }
	    }
	}
}
	
function random (i) {

var rand_no = Math.random();

rand_no=Math.round(rand_no*100);
rand_no=rand_no%i;
/*if (rand_no>i) rand_no=random(i);*/
	 return rand_no;
}
		
		
		
setTimeout('changeOpacityBySteps("zdjecie0","zdjecie1")',1000*changeInterwal);
setTimeout('changeOpacityBySteps("zdjecie2","zdjecie3")',1000*changeInterwal);