var akt_img = 1;
var interval = 4000;
var fade_speed = 38;
var step = 5;
function changeOpac(imgn,opacity) { var obj = document.getElementById("img_top"+imgn).style; obj.opacity = (opacity / 100); obj.MozOpacity = (opacity / 100); obj.KhtmlOpacity = (opacity / 100); obj.filter = "alpha(opacity=" + opacity + ")"; }
function fejdAut(imgn,val) { if(val > step) setTimeout("fejdAut("+imgn+","+(val-step)+")",fade_speed); else { changeOpac(imgn,0); zmen_obr(1); } changeOpac(imgn,val); }
function fejdIn(imgn,val) { if(val < 100-step) setTimeout("fejdIn("+imgn+","+(val+step)+")",fade_speed); else { changeOpac(imgn,100); zmen_obr(0); } changeOpac(imgn,val); }
function fejduj0() { changeOpac(0,100); var x=document.getElementById('img_top0'); x.style.visibility="visible"; fejdAut(1,100); }
function fejduj1() { changeOpac(1,0); var x=document.getElementById('img_top1'); x.style.visibility="visible"; fejdIn(1,0); }
function daj_kuki() { var c = readCookie("oo"); if(c == null) c = 0; if(c < obrs.length-1) c++; else c = 1; setCookie("oo",c,0); return(c); }
function zmen_obr(imgn) { akt_img = imgn; var x=document.getElementById("img_top"+imgn); x.style.visibility="hidden"; var c=daj_kuki(); x.src=obrs[c]; }
function load0() { if(akt_img != 0) return; t = setTimeout('fejduj0()',interval); }
function load1() { if(akt_img != 1) return; t = setTimeout('fejduj1()',interval); }