function checkImg(ID)
{
	path_length = document.getElementById(ID).src.length - 15;
	path = document.getElementById(ID).src.substr(0, path_length);
	image = document.getElementById(ID).src.substr(-15);

	if (image == 'trolley_bla.gif')
		document.getElementById(ID).src = path + 'trolley_red.gif';
	else
		document.getElementById(ID).src = path + 'trolley_bla.gif';

} // function checkImg(ID)

function openPopup(url)
{
	popup = window.open(url, 'Popup', 'width=700,height=600,scrollbars=yes,toolbar=no,location=no,menubar=no,resizable=yes');
	popup.focus();
} // function openPopup(url)

Indexes = new Array();
BinaryCodeIDs = new Array();
TreeNodeIDs = new Array();

function changePic(identifier, forward, newLink, convert)
{
	if (forward)
		if (Indexes[identifier] == (BinaryCodeIDs[identifier].length - 1))
			Indexes[identifier] = 0;
		else
			Indexes[identifier] = Indexes[identifier] + 1;
	else
		if (Indexes[identifier] == 0)
			Indexes[identifier] = (BinaryCodeIDs[identifier].length - 1);
		else
			Indexes[identifier] = Indexes[identifier] - 1;
	
	// Bild wechseln
	var el = document.all ? document.all[identifier] : document.getElementById(identifier);
	el.style.backgroundImage = 'url(customGates/scripts/binary.php?BinaryCodeID=' + BinaryCodeIDs[identifier][Indexes[identifier]] + convert + ')';
	
	// Verlinkung wechseln
	var el = document.all ? document.all['link_' + identifier] : document.getElementById('link_' + identifier);
	el.href = newLink + '&VariantTreeNodeID=' + TreeNodeIDs[identifier][Indexes[identifier]];
	var el = document.all ? document.all['link2_' + identifier] : document.getElementById('link2_' + identifier);
	el.href = newLink + '&VariantTreeNodeID=' + TreeNodeIDs[identifier][Indexes[identifier]];
} // function changePic

//DIV anzeigen
function anzeigen(id) {
	document.getElementById(id).style.display = "block";
	}
//DIV ausblenden
function ausblenden(id) {
	document.getElementById(id).style.display = "none";
	}