startList = function() {
   if (document.all&&document.getElementById) {
      navRoot = document.getElementById("menu").childNodes[0];
      for (i=0; i<navRoot.childNodes.length; i++) {
         node = navRoot.childNodes[i];
         if (node.nodeName=="LI") {
            node.onmouseover=function() {
               this.className+=" over";
            }
            node.onmouseout=function() {
               this.className=this.className.replace(" over", "");
            }
         }
      }
   }
}
window.onload=startList;

function getfoto(id, scroll)
{
	currentfoto = id;
	document.getElementById('grotefoto').src = './?page=foto&id=' + id;
	if (scroll)
	{
		window.location.href = '#';
	}
	return false;
}

function getfotoid(direction)
{
	var prev = 0;
	var next = 0;
	var number = fotos.length
	for (var x = 0; x < number; x++)
	{
		if (fotos[x] == currentfoto)
		{
			if (x == number - 1)
			{
				prev = fotos[x-1];
				next = fotos[0];
			}
			else if (x == 0)
			{
				prev = fotos[number-1];
				next = fotos[1];
			}
			else
			{
				prev = fotos[x-1];
				next = fotos[x+1];
			}
			break;
		}
	}
	var newfoto = 0;
	if (direction == -1)
	{
		newfoto = prev;
	}
	else
	{
		newfoto = next;
	}
	return getfoto(newfoto, false);
}