addDOMLoadEvent(addRoundCorner);
addDOMLoadEvent(prepareLinks);

function addRoundCorner()
{
	if (!document.getElementById) return false;

	elements = document.getElementsByTagName("div");
	 for (j=0; j<elements.length; j++) {
        if (classTool('check',elements[j],'w558')) {
        			newDiv = document.createElement('div');
        			newDiv.className = "Corner";
        			elements[j].appendChild(newDiv);
        			}
      }

	// add icons to links
	allLinks = document.getElementsByTagName('a');

	for (i=0; i<allLinks.length; i++) {
		node = allLinks[i];
		if (node.parentNode.nodeName.toLowerCase() == 'p') {
			nodeLink = node.href;
			// alert(i +" - " + node + " - " + nodeLink.substr(nodeLink.length - 4) + " - " + nodeLink.indexOf('.flv') );
			if ( nodeLink.indexOf('.pdf') == nodeLink.length - 4 ) { classTool('add',node,'Download-pdf'); }
			if ( nodeLink.indexOf('.flv') == nodeLink.length - 4 ) { classTool('add',node,'Filmklip'); }
			if ( nodeLink.indexOf('/flip/') != -1 ) { classTool('add',node,'PageFlip'); }
			if ( nodeLink.indexOf('/fotogalleri/') != -1 ) {
				classTool('add',node,'Hus-foto');
				// node.onclick = function() { makePhotobox(this); return false; }
			}
			if ( nodeLink.indexOf('/plantegninger/') != -1 ) { classTool('add',node,'Plantegning'); }
			
		}
	}
}





/*
function ajaxGo(url)
{
	if (!document.getElementById) return false;
	initLightbox();
	SI.Request.get(url.href+'?ajax=true', document.getElementById('SLB_lightbox'));
}
*/

function makePhotobox(linknode)
{
	if (!document.getElementById) return false;

	contentDiv = document.createElement('div');
	contentDiv.setAttribute('id','Photobox');
	insertAfter(contentDiv,linknode.parentNode);

	SI.Request.get(linknode.href+'?ajax=true', document.getElementById('Photobox'));
}

function initPhotobox()
{
	prepareLinks();
	backLink = document.createElement('p');
	backLink.setAttribute('id','Backlink');
	contentDiv = document.getElementById('Photobox');
	
	//contentDiv.appendChild(backLink);	
	//var linkHtml = '<a href="#Luk" onclick="killPhotobox(); return false;">Tilbage</a>';
	//setInnerHTML(backLink, linkHtml);
	
	contentDiv.previousSibling.firstChild.onclick = null;
	contentDiv.previousSibling.firstChild.onclick = function() { killPhotobox(); return false; }	
}

function killPhotobox()
{
	contentDiv.previousSibling.firstChild.onclick = null;
	contentDiv.previousSibling.firstChild.onclick = function() { makePhotobox(this); return false; }	
	
	parentElement = document.body;
	contentDiv = document.getElementById('Photobox');
	contentDiv.parentNode.removeChild(contentDiv);
}










function insertAfter(newElement,targetElement) {
	//target is what you want it to go after. Look for this elements parent.
	var parent = targetElement.parentNode;
	
	//if the parents lastchild is the targetElement...
	if(parent.lastchild == targetElement) {
		//add the newElement after the target element.
		parent.appendChild(newElement);
		} else {
		// else the target has siblings, insert the new element between the target and it's next sibling.
		parent.insertBefore(newElement, targetElement.nextSibling);
		}
}


function ajaxDone()
{
	prepareLinks();
	backLink = document.createElement('p');
	backLink.setAttribute('id','Backlink');
	document.getElementById('GalleryText').appendChild(backLink);	
	var linkHtml = '<a href="#Luk" onclick="killLightbox(); return false;">Tilbage</a>';
	setInnerHTML(backLink, linkHtml);	
}


function initLightbox()
{
	overlayDiv = document.createElement('div');
	overlayDiv.setAttribute('id','SLB_overlay');
	document.body.appendChild(overlayDiv);
	
	// show transparent overlay
	overlayDiv.style.visibility = 'visible';
	
	contentDiv = document.createElement('div');
	contentDiv.setAttribute('id','SLB_lightbox');
	document.body.appendChild(contentDiv);
	
	// IE6 needs some special treatment
	if (document.getElementById('IE') != null) {
		ccdiv = document.getElementById('IE');
		if (classTool('check',ccdiv,'lte6_0')) {
			htmlElement = document.getElementsByTagName('html')[0];
			htmlElement.style.overflow = 'hidden';
		}
	}
	
	//var lightboxHtml = '<div id="Showcase"><div class="Image"><a href="#" onclick="killLightbox(); return false;"><img id="MAP_image" width="500" src="'+l.href+'" /></a><p id="MAP_caption">'+l.innerHTML+'</p></div></div>';
	//setInnerHTML(contentDiv, lightboxHtml);
}


function killLightbox()
{
	parentElement = document.body;
	contentDiv = document.getElementById('SLB_lightbox');
	overlayDiv = document.getElementById('SLB_overlay');
	parentElement.removeChild(contentDiv);
	parentElement.removeChild(overlayDiv);
	
	// IE6 needs some special treatment
	if (document.getElementById('IE') != null) {
		ccdiv = document.getElementById('IE');
		if (classTool('check',ccdiv,'lte6_0')) {
			htmlElement = document.getElementsByTagName('html')[0];
			htmlElement.style.overflow = 'auto';
		}
	}
}







// ----------------------------------------------------------------------
// All thumbnail links should be placed in a div with the id "Thumbs"
// The targetphoto should have the id "BigPhoto"
// Images and their thumbnails should be name like this...
// original = "image.jpg" -> thumb = "image_thmb.jpg"
// ----------------------------------------------------------------------

/*
function prepareLinks()
{
	if (!document.getElementById) return false;
	navRoot = document.getElementById("Thumbs");
	if (!navRoot) return false;
	for (i=0; i<navRoot.childNodes.length; i++) {
		node = navRoot.childNodes[i];
		if (node.nodeName.toLowerCase() == "a") {
			node.onclick = function() { changeImage(this); return false; }
		if (i<=1) classTool('add',node,'On');
  		 }
  	}
}
*/

function prepareLinks()
{
	if (!document.getElementById) return false;
	navRoot = document.getElementById("Thumbs");
	if (!navRoot) return false;
	for (i=0; i<navRoot.childNodes.length; i++) {
		theFirstChild = 0;
		node = navRoot.childNodes[i];
  		
		if (node.nodeName.toLowerCase() == "a") {
			node.onclick = function() { changeImage(this); return false; }
		if (i == theFirstChild) classTool('add',node,'On');
  		} else {
			theFirstChild++;
			i = i - 1;
			navRoot.removeChild(node);
  		}
  		
  	}
}





function changeImage(l)
{
	if (!document.getElementById) return false;
	// while (l != document.body && l.nodeName.toLowerCase() != "a") l = l.parentNode;
	//thumbUrl = l.childNodes[0].src;	
	//var urlSplit = thumbUrl.split('/');
	//var thumbName = urlSplit[urlSplit.length-1];
	//var photoName = thumbName.replace("_thmb", "");
	//alert("*/img/" + photoName+"*");
	
	//alert(l.href);
	if (l.href.indexOf('#') == -1) {
		var url = l.href;
	} else {
	var url = l.childNodes[0].id;
		url = url.replace( /URL:/, "/" );
		url = url.replace( /:/, "/" );
		url = url.replace( /:/, "/" );
	}
		
	document.getElementById("BigPhoto").src = url; //("/images/gallery/" + photoName);
	clearClasses();
	classTool('add',l,'On');
}


function clearClasses()
{
	if (!document.getElementById) return false;
		navRoot = document.getElementById("Thumbs");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName.toLowerCase() == "a") {
				classTool('remove',node,'On');
		}
	}
}


function classTool(a,o,c1,c2)
// This function takes four parameters:
// a = defines the action you want to perform
// o = the object in question
// c1 = the name of the first class
// c2 = the name of the second class
//
// Possible actions are:
// swap		= replaces class c1 with class c2 in object o
// add		= adds class c1 to the object o
// remove	= removes class c1 from the object o
// check	= tests if class c1 is already applied to object o and return true or false
{
	switch (a)
	{
		case 'swap':
			o.className=!classTool('check',o,c1)?o.className.replace(c2,c1):
			o.className.replace(c1,c2);
		break;
		case 'add':
			if(!classTool('check',o,c1)) {o.className+=o.className?' '+c1:c1;}
		break;
		case 'remove':
			var rep=o.className.match(' '+c1)?' '+c1:c1;
			o.className=o.className.replace(rep,'');
		break;
		case 'check':
			return new RegExp('\\b'+c1+'\\b').test(o.className);
		break;
	}
}