function NextImg()
{
	var val = parseFloat(document.getElementById('current-img').value) + 1;
	document.getElementById('main-image').src='http://www.spektar-palace.com/hotel-primorsko/spektar-palace-hotel-' + val + '.jpg'
	if(val == 13)
	{
		document.getElementById('main-image').src='http://www.spektar-palace.com/hotel-primorsko/spektar-palace-hotel-1.jpg'
		document.getElementById('current-img').value = 1;
	}
	else
	{
		document.getElementById('main-image').src='http://www.spektar-palace.com/hotel-primorsko/spektar-palace-hotel-' + val + '.jpg'
		document.getElementById('current-img').value = val;
	}
	
}
function PrevImg()
{
	var val = parseFloat(document.getElementById('current-img').value) - 1;
	document.getElementById('main-image').src='http://www.spektar-palace.com/hotel-primorsko/spektar-palace-hotel-' + val + '.jpg'
	if(val == 0)
	{
		document.getElementById('main-image').src='http://www.spektar-palace.com/hotel-primorsko/spektar-palace-hotel-12.jpg'
		document.getElementById('current-img').value = 12;
	}
	else
	{
		document.getElementById('main-image').src='http://www.spektar-palace.com/hotel-primorsko/spektar-palace-hotel-' + val + '.jpg'
		document.getElementById('current-img').value = val;
	}
	
}