/* OUTDATED: See hidden-div-ctrl.js */


function rot_left(max_num)
{
	var vis = 0;

	for(i=1; i<=max_num; i++)
	{
		var imgid = "360img" + i;
		if (document.getElementById(imgid).style.visibility == "visible" && i != max_num)
		vis = (i + 1);
		else if (i == max_num)
		vis = 1;
		if (vis != 0) i = 9;
	}

	for(i=1; i<=max_num; i++)
	{
		var imgid = "360img" + i;
		if (i == vis) 
		{
			document.getElementById(imgid).style.visibility = "visible";
			document.getElementById(imgid).style.display = "block";
		}
		else 
		{
			document.getElementById(imgid).style.visibility = "hidden";
			document.getElementById(imgid).style.display = "none";
		}
	}
}

function rot_right(max_num)
{
	var vis = 0;

	for(i=max_num; i>=1; i--)
	{
		var imgid = "360img" + i;
		if (document.getElementById(imgid).style.visibility == "visible" && i != 1)
		vis = (i - 1);
		else if (i == 1)
		vis = max_num;
		if (vis != 0) i = 0;
	}

	for(i=1; i<=max_num; i++)
	{
		var imgid = "360img" + i;
		if (i == vis) 
		{
			document.getElementById(imgid).style.visibility = "visible";
			document.getElementById(imgid).style.display = "block";
		}
		else 
		{
			document.getElementById(imgid).style.visibility = "hidden";
			document.getElementById(imgid).style.display = "none";
		}
	}
}