var elozo = 1;
var hir_fut = true;
var hir_darab = 2;

function hircsere_init(){
 	if(hir_darab>0)setTimeout("hirCSere()",20000);
}

function hirCSere(melyik){
    if((melyik)&&(elozo == melyik)) return;
    if(!$("hir_"+elozo)) return;
    if((!hir_fut)&&(!melyik))return;
	var next = 0;
	if(!melyik){
        next = (elozo%hir_darab)+1;
	}else{
        next = melyik;
        hir_fut=false;
	}
	$("hir_"+next).fade(1.0);
	$("hir_"+next).style.zIndex=888;
	$("hir_"+elozo).fade(0.0);

	for(i=1;i<(hir_darab+1);i++){
        if(i == next){
            $("hir_"+i).style.zIndex==999;
        }else{
            $("hir_"+i).style.zIndex=0;
        }
	}
	elozo = next;
	if(hir_fut)setTimeout("hirCSere()",20000);
}
/*
function polgarmesteri_start(){
    ajax('polgarmesteri.php');
    hircsere_init();
}
*/
function felso_banner(){
    window.addEvent('domready', function() {	
        var hirReq = new Request.HTML({url:'felso_banner.php',async: false,
        onSuccess: function(html) {
            $('felso_banner_tartalom').set('text', '');
            $('felso_banner_tartalom').adopt(html);
        },
        onFailure: function() {
           $('felso_banner_tartalom').set('text', 'felso_banner.php not found');
        }
    });
    hirReq.send();
    hircsere_init();
});
}