var ensondegisen=1;
  var startautotimer = 0;
     function tab_degis(tab) {
		 for(var i=1;i<4;i++){document.getElementById("tab"+i).className='tab_bos';}
			document.getElementById("tab_background").style.background='';
		 for(var i=1;i<4;i++){
			 if (tab==i) {
				document.getElementById("tab_background").style.background = "url('"+eval("bgurl"+i)+"')";
				document.getElementById("teaser-headline").innerHTML = eval("headl"+i);
				document.getElementById("teaser-subheadline").innerHTML = eval("subheadl"+i);
				document.getElementById("buyuklink").href = ""+eval("aurl"+i)+"";
				document.getElementById("tab"+i).className='tab_dolu';
				document.getElementById("teaser-headline").className=eval("fonttxt"+i);
				document.getElementById("teaser-subheadline").className=eval("fonttxt"+i);
				}
		 }
	  ensondegisen=tab;
     }
	 
     function otomatik_tab_degis() {
	 	if (ensondegisen==3) {ensondegisen=1} else {++ensondegisen}
		tab_degis(ensondegisen);
		startautotimer = setTimeout("otomatik_tab_degis()",10000);
     }
	 
     function otomatik_tab_degis_varmiyokmu() {
	 	if (startautotimer) {startautotimer = setTimeout("otomatik_tab_degis()",10000);}
     }
	 
	 startautotimer = setTimeout("otomatik_tab_degis()",10000);