var aktif_album, aktif_indis;
function albumAc(album,indis){
	document.getElementById("album_katmani").style.visibility="visible";
	document.getElementById("album_menu").style.width = "400px";
	document.getElementById("album_foto").src=album[indis];
	document.getElementById("yukleniyor").style.visibility ="visible";
	document.getElementById("album_foto").onload= function (){
		var img = new Image();
		img.src=this.src;
		var left ;
		left= Math.round((screen.width - img.width)/2);
		if (left> (screen.width/2)) left = 320;
		var top1 = 50+ document.documentElement.scrollTop
		document.getElementById("album_katmani").style.left= left+"px";
		document.getElementById("album_katmani").style.top = top1+"px";	
		document.getElementById("yukleniyor").style.visibility ="hidden";
		document.getElementById("album_menu").style.width = "320px";
	}
	aktif_album= album;
	aktif_indis= indis;
	document.getElementById("adim").innerHTML= (aktif_indis+1) + "/" + aktif_album.length;
}
function albumKapat(){
	document.getElementById("album_katmani").style.visibility="hidden";
	document.getElementById("album_foto").src="";
}
function onceki(){
	if (aktif_indis>0){
		aktif_indis--;
		albumAc(aktif_album,aktif_indis);
	}			
}
function sonraki(){
	if (aktif_indis < aktif_album.length-1){
		aktif_indis++;
		albumAc(aktif_album,aktif_indis);
	}	
}