var menuopen = "";
var aktivmenu = "";
var aktiv="";

function showMenu(ebene) {
	window.clearTimeout(aktiv);
	if (menuopen != "") hideMenu(menuopen);
	menuopen = ebene;
	if (document.getElementById(ebene)) {
		document.getElementById(ebene).style.visibility = "visible";
		mmenu = 'menu' + ebene.substr(6,ebene.length-6);
		if (document.getElementById(mmenu).className != "mainactive") {
			document.getElementById(mmenu).className = "mainhigh";
		}
	}
}

function checkMenu(ebene) {
	aktiv = window.setTimeout("hideMenu('"+ebene+"')",1000);
}

function hideMenu(ebene) {	
	mmenu = 'menu' + ebene.substr(6,ebene.length-6);
	
	if (document.getElementById(mmenu).className != "mainactive") {
		document.getElementById(mmenu).className = "main";
	}
	if (document.getElementById(ebene)) {
		document.getElementById(ebene).style.visibility = "hidden";
	}
}


function showDiv(container) {
	document.getElementById(container+"off").style.display = "none";
	document.getElementById(container).style.display = "block";
}

function hideDiv(container) {
	document.getElementById(container).style.display = "none";
	document.getElementById(container+"off").style.display = "block";
}




function nextPic()
{
	newPic = 0;
	for(i = 0; i < pics.length; i++)
	{		
		if(currentPic == i)
		{
			if(i < pics.length-1)
			{
				i++;
				newPic = i;
			}
		}
	}
	
	changePic(newPic);
	return false;
	
}

function prevPic()
{
	newPic = pics.length-1;
	for(i = 0; i < pics.length; i++)
	{
		if(currentPic == i)
		{
			if(i >= 1)
			{
				newPic = i-1;
			}
			break;
		}
	}
	changePic(newPic);	
	return false;
}

function changePic(newPic)
{
	
	currentPic = newPic;	
	picNo = currentPic + 1;
	html =  '<a href="Javascript:Zeigen(0,0,'+pics[currentPic]+');"><img src="/images/pic' + pics[currentPic] + '_s.jpg"' +
			' width="'+pics_w[currentPic]+'" height="'+pics_h[currentPic]+'" alt="Klick = Großes Bild" border="1" ><br />' +
			' <img src="/img/zoom.gif" width="100" height="16" alt="Bild vergrößern" border="0" stlye="margin-right: 20px;" /></a>' +
			' <a href="#" onclick="prevPic(); return false;"><img src="/img/arrow_l.gif" width="16" height="16" alt="" border="0"  /></a> Bild ' + picNo + ' / ' + pics.length +
			' <a href="#" onclick="nextPic(); return false;"><img src="/img/arrow_r.gif" width="16" height="16" alt="" border="0"  /></a>';
	document.getElementById('photo').innerHTML = html;
	
	
}