// JavaScript Document
adImages = new Array("img/alkor.gif","img/fatra.gif","img/dek.gif");
thisAd = -1;

function chImg(){
	if(document.images){
		if( document.getElementById("logo").complete ){
			thisAd++;
			if(thisAd == adImages.length){
				thisAd = 0;
			}
			document.getElementById("logo").src = adImages[thisAd];
		}
		setTimeout("chImg()",5*1000);
	}
}