// JavaScript Document
function hideAll(){
	document.getElementById('overlay').style.display='none';	
	document.getElementById('lightbox1').style.display='none';
}

function hideCommercial() {
	document.getElementById('homeBalloonFlashIntro').style.display='none';
}

function openQuestion(questionId) {

	// Display the selected question
	var o = document.getElementById('question_'+questionId.toString());

	if (o != undefined) {
		if (o.className == '') {
			o.className = 'active';
		}else {
			o.className = '';
		}
	}
	
	var o = document.getElementById('answer_'+questionId.toString());

	if (o != undefined) {
		if (o.style.display == '' || o.style.display == 'none') {
			o.style.display = 'block';
		}else{
			o.style.display = 'none';
		}
	}
}

function emptyValue(elm, tekst){
	if(document.getElementById(elm).value==tekst){
		document.getElementById(elm).value="";
	}
}
function returnValue(elm, tekst){
	if(document.getElementById(elm).value==""){
		document.getElementById(elm).value=tekst;
	}
}

function popUp(link , width , height){
	window.open(link, 'venster', 'width=' + width + ',height=' + height + ',scrollbars=yes,toolbar=no,location=no,status=no,resize=no');
}

function expandAll(startDiv) {
	var divObj = document.getElementById(startDiv);
	if (divObj == "object") {
		for (var i=0;i<divObj.childNodes.length;i++) {
			if (divObj.childNodes[i].nodeName == "DIV" && divObj.childNodes[i].id.substr(0,6) == "folder") {
				toggleFolder(divObj.childNodes[i].id, document.getElementById("image" + divObj.childNodes[i].id.substr(6)));
				expandAll(divObj.childNodes[i].id);
			}
		}
	}
}

function closeAll(startDiv) {
	expandAll(startDiv);
	var divObj = document.getElementById(startDiv);
	for (var i=0;i<divObj.childNodes.length;i++) {
		if (divObj.childNodes[i].nodeName == "DIV" && divObj.childNodes[i].id.substr(0,6) == "folder") {
			toggleFolder(divObj.childNodes[i].id, document.getElementById("image" + divObj.childNodes[i].id.substr(6)));
			expandAll(divObj.childNodes[i].id);
		}
	}
}

function expandItem(theID, startDiv) {
	var divObj = document.getElementById(startDiv);
	var found = false;
	for (var i=0;i<divObj.childNodes.length;i++) {
		if (divObj.childNodes[i].nodeName == "DIV" && divObj.childNodes[i].id.substr(0,6) == "folder") {
			found = expandItem(theID, divObj.childNodes[i].id);
			if (divObj.childNodes[i].id == "folder" + theID) {
				// current element found
				toggleFolder(divObj.childNodes[i].id, document.getElementById("image" + divObj.childNodes[i].id.substr(6)));
				return true;
			}
			if (found) {
				toggleFolder(divObj.childNodes[i].id, document.getElementById("image" + divObj.childNodes[i].id.substr(6)));
				return true;
			}
		}
	}
	return found;
}

function toggleFolder(id, imageNode) {
	var folder = document.getElementById(id);
	var l = imageNode.src.length;
	if (imageNode.src.substring(l-21,l)=="tree_folderclosed.png" || imageNode.src.substring(l-19,l)=="tree_folderopen.png") {
		imageNode = imageNode.previousSibling;
		l = imageNode.src.length;
	}
	if (folder == null) {
	} 
	else if (folder.style.display == "block")  {
		if (imageNode != null) {
			imageNode.nextSibling.src = imgPath+"sitemap/tree_folderclosed.png";
			if (imageNode.src.substring(l-14,l) == "tree_mnode.png") {
				imageNode.src = imgPath+"sitemap/tree_pnode.png";
			}
			else if (imageNode.src.substring(l-18,l) == "tree_mlastnode.png") {
				imageNode.src = imgPath+"sitemap/tree_plastnode.png";
			}
		}
		folder.style.display = "none";
	} 
	else {
		if (imageNode != null) {
			imageNode.nextSibling.src = imgPath+"sitemap/tree_folderopen.png";
			if (imageNode.src.substring(l-14,l) == "tree_pnode.png") {
				imageNode.src = imgPath+"sitemap/tree_mnode.png";
			}
			else if (imageNode.src.substring(l-18,l) == "tree_plastnode.png") {
				imageNode.src = imgPath+"sitemap/tree_mlastnode.png";
			}
		}
		folder.style.display = "block";
	}
	//updateRowColor();
}