function Tovabb(){
	Counter += Lapok;
	document.getElementById('balra').style.visibility = 'visible';
	$('div.Lista').animate({opacity: "0.1"},500,function(){
		$('div.Lista').load(HOST_PREFIX+'/inc/ajax_arhiv_2.php?tol='+Counter+'&lapok='+Lapok+'&alap='+Alap,function(){
			$('div.Lista').animate({'opacity': "1"},500);
		});
	});
	if(Osszes>Counter+Lapok){
		document.getElementById('jobbra').style.visibility = 'hidden';
	}
	if(Counter==0){
		document.getElementById('balra').style.visibility = 'hidden';
	}
}
function Vissza(){
	Counter -= Lapok;
	if(document.getElementById('jobbra').style.visibility=='hidden')
		document.getElementById('jobbra').style.visibility = 'visible';
		
	$('div.Lista').animate({opacity: "0.1"},500,function(){
		$('div.Lista').load(HOST_PREFIX+'/inc/ajax_arhiv_2.php?tol='+Counter+'&lapok='+Lapok+'&alap='+Alap,function(){
			$('div.Lista').animate({'opacity': "1"},500);
		});
	});	
	if(Counter==0){
		document.getElementById('balra').style.visibility = 'hidden';
	}
}