function $(id){
	return document.getElementById(id);
}
function log(s) {
	if(window.console) console.log(s);
}
function scrollDivDown(id){
clearTimeout(timerDown);
document.getElementById(id).scrollTop+=step;
timerDown=setTimeout("scrollDivDown('"+id+"')",5);
topOfScroll = document.getElementById(id).scrollTop;
} 

step=2
topOfScroll = 0
function scrollDivUp(id){
	clearTimeout(timerUp),
	document.getElementById(id).scrollTop-=step; 
	timerUp=setTimeout("scrollDivUp('"+id+"')",5);
	topOfScroll = document.getElementById(id).scrollTop;
} 
function showblock(hide,show){
	$('block'+show).style.display = 'block';
	$('block'+show).style.visibility = 'visible';
	$('block'+hide).style.display = 'none';
	$('block'+hide).style.visibility = 'hidden';	
}
timerDown=""; 
timerUp=""; 
function stopMe(){
	clearTimeout(timerDown); 
	clearTimeout(timerUp);
}

function showimg2(img,sum){
	var pokazi = 'imgcurent'+img;
	for (i=1; i<=sum; i++){
		if (img==i){
			$(pokazi).style.display = 'block';
			$(pokazi).style.visibility = 'visible';
			identity=document.getElementById('imgs'+i);
			identity.className="img-sel";
		  //$('curnum').innerHTML=img;
		}else{
			$('imgcurent'+i).style.display = 'none';
			$('imgcurent'+i).style.visibility = 'hidden';
			identity=document.getElementById('imgs'+i);
			identity.className="img-notsel";
			//$('curnum').innerHTML=img;
		}
	}
}
/*
function nextimg(st,sum){
	var skrij = 'imgs'+(st-3);
	$('imgs'+st).style.display = 'block';
	$('imgs'+st).style.visibility = 'visible';
	$(skrij).style.display = 'none';
	$(skrij).style.visibility = 'hidden';
	if (st==sum){
		$('down').style.display = 'block';
		$('down').style.visibility = 'visible';
		$('down'+st).style.display = 'none';
		$('down'+st).style.visibility = 'hidden';	
		$('up'+st).style.display = 'block';
		$('up'+st).style.visibility = 'visible';
		if ((st!=4)&&(sum!=4)){
			$('up'+(st-1)).style.display = 'none';
			$('up'+(st-1)).style.visibility = 'hidden';	
		}
		$('up').style.display = 'none';
		$('up').style.visibility = 'hidden';				
	}else{
		log(st);
		$('down'+st).style.display = 'none';
		$('down'+st).style.visibility = 'hidden';
		$('up'+st).style.display = 'block';
		$('up'+st).style.visibility = 'visible';		
		st++;
		$('down'+st).style.display = 'block';
		$('down'+st).style.visibility = 'visible';
		$('up').style.display = 'none';
		$('up').style.visibility = 'hidden';				
	}
}
function previmg(st,sum){
	var skrij = 'imgs'+(st);
	$('imgs'+(st-3)).style.display = 'block';
	$('imgs'+(st-3)).style.visibility = 'visible';
	$(skrij).style.display = 'none';
	$(skrij).style.visibility = 'hidden';
	if (st==4){
		$('down').style.display = 'none';
		$('down').style.visibility = 'hidden';	
		$('up'+st).style.display = 'none';
		$('up'+st).style.visibility = 'hidden';
		$('up').style.display = 'block';
		$('up').style.visibility = 'visible';
		$('down'+st).style.display = 'block';
		$('down'+st).style.visibility = 'visible';
		if (sum!=4){
			st++;
			$('down'+st).style.display = 'none';
			$('down'+st).style.visibility = 'hidden';	
		}		
	}else{
		$('down').style.display = 'none';
		$('down').style.visibility = 'hidden';
		$('down'+st).style.display = 'block';
		$('down'+st).style.visibility = 'visible';	
		$('up'+(st-1)).style.display = 'block';
		$('up'+(st-1)).style.visibility = 'visible';
		$('up'+st).style.display = 'none';
		$('up'+st).style.visibility = 'hidden';				
	}
}*/
function next(i,st,sum){
	var pokazi = 'img'+i+'_'+(st+1);
	var skrij = 'img'+i+'_'+st;
	$(pokazi).style.display = 'block';
	$(pokazi).style.visibility = 'visible';
	$(skrij).style.display = 'none';
	$(skrij).style.visibility = 'hidden';
	if (st!=(sum-1)){
		$('next'+i+'_'+(st+1)).style.display = 'block';
		$('next'+i+'_'+(st+1)).style.visibility = 'visible';	
	}
	$('back'+i+'_'+(st+1)).style.display = 'block';
	$('back'+i+'_'+(st+1)).style.visibility = 'visible';	
}
function back(i,st,sum){
	var pokazi = 'img'+i+'_'+(st-1);
	var skrij = 'img'+i+'_'+st;
	$(pokazi).style.display = 'block';
	$(pokazi).style.visibility = 'visible';
	$(skrij).style.display = 'none';
	$(skrij).style.visibility = 'hidden';
	if (st!=sum){
		$('next'+i+'_'+st).style.display = 'block';
		$('next'+i+'_'+st).style.visibility = 'visible';
	}
	if (st>2){
		$('back'+i+'_'+(st-1)).style.display = 'block';
		$('back'+i+'_'+(st-1)).style.visibility = 'visible';
	}
}