var indexik=new Array();
var src_first=new Array();
var opacity=new Array();
var interval=1;
opacity["right"]=100;
opacity["bottom"]=100;
indexik["right"]=1;
indexik["bottom"]=1;


function move(pozice){
	var img1=document.getElementById("img_"+pozice+"_"+indexik[pozice]);
	var img2=document.getElementById("img_"+pozice+"_"+(indexik[pozice]+1));
	var img_main=document.getElementById("img_"+pozice+"_1");
	if(!img2){ 
		var img2=document.getElementById("img_"+pozice+"_1");
		var novy_index=1;
		if(pozice=="right")interval=5;
	}else var novy_index=indexik[pozice]+1;
	if((!img1 || !img2) || (img1==img2))return false;
	if(indexik[pozice]==1 && !src_first[pozice]) src_first[pozice]=img_main.src;
	opacity[pozice]-=7-interval;
	if(img1){
		if(navigator.appName=="Microsoft Internet Explorer") img1.filters.Alpha.opacity = opacity[pozice];
		else {
			img1.style.MozOpacity=(opacity[pozice]/100);
  		img1.style.opacity=(opacity[pozice]/100);
			
			//if(indexik[pozice]>1)img_main.src=img2.src;
			//else img_main.src=src_first[pozice];
		}
	}
	if(img2){
		if(navigator.appName=="Microsoft Internet Explorer") img2.filters.Alpha.opacity = 100-opacity[pozice];
		else {
			img2.style.MozOpacity=((100-opacity[pozice])/100);
  		img2.style.opacity=((100-opacity[pozice])/100);
		}
	}	
	if(opacity[pozice]>0)window.setTimeout("move('"+pozice+"');", interval*10);
	else{ 
		indexik[pozice]=novy_index;
		opacity[pozice]=100;
		window.setTimeout("move('"+pozice+"')", interval*700); 
	}
}

var new_vindow;
function Op_okno(pg,prefix,img){
	if(new_vindow)new_vindow.close();
	c="fotogal_view.php?pg="+pg+"&prefix="+prefix+"&img="+img;
	new_vindow=window.open(c,"view17","toolbar=no,menubar=no,location=no,directories=no,scrollbars=yes,resizable=yes,status=no,left=0,top=0,width=515,height=445");
}