// NAVIGATION TREE

addEvent(window,"load",convertTrees);

function addEvent(o,e,f){
	if (o.addEventListener){ o.addEventListener(e,f,true); return true; }
	else if (o.attachEvent){ return o.attachEvent("on"+e,f); }
	else { return false; }
}

function setDefault(name,val) {
	if (typeof(window[name])=="undefined" || window[name]==null) {
		window[name]=val;
	}
}

function expandTree(treeId) {
	var ul = document.getElementById(treeId);
	if (ul == null) { return false; }
	expandCollapseList(ul,nodeOpenClass);
}

function collapseTree(treeId) {
	var ul = document.getElementById(treeId);
	if (ul == null) { return false; }
	expandCollapseList(ul,nodeClosedClass);
}

function expandToItem(itemId) {
	var ul = document.getElementById("tree");
	if (ul == null) { return false; }
	var ret = expandCollapseList(ul,nodeOpenClass,itemId);
	if (ret) {
		var o = document.getElementById(itemId);
		var o = getElement(itemId);
		if (o.scrollIntoView) {
			o.scrollIntoView(false);
		}
	}
	var a = document.getElementById(itemId).getElementsByTagName("a")[0];
    var location = a.href;
	setLocationIframe(location);
	highlight(itemId);
}

function setLocationIframe(loc) {
    var getFrame = document.getElementsByTagName("iframe")[0];
    window.frames[getFrame.id].location = loc;
}

function expandCollapseList(ul,cName,itemId) {
	if (!ul.childNodes || ul.childNodes.length==0) { return false; }
	for (var itemi=0;itemi<ul.childNodes.length;itemi++) {
		var item = ul.childNodes[itemi];
		if (itemId!=null && item.id==itemId) { return true; }
		if (item.nodeName == "LI") {
			var subLists = false;
			for (var sitemi=0;sitemi<item.childNodes.length;sitemi++) {
				var sitem = item.childNodes[sitemi];
				if (sitem.nodeName=="UL") {
					subLists = true;
					var ret = expandCollapseList(sitem,cName,itemId);
					if (itemId!=null && ret) {
						item.className=cName;
						return true;
					}
				}
			}
			if (subLists && itemId==null) {
				item.className = cName;
			}
		}
	}
}

function convertTrees() {
	setDefault("treeClass","tree");
	setDefault("nodeClosedClass","liClosed");
	setDefault("nodeOpenClass","liOpen");
	setDefault("nodeBulletClass","liBullet");
	setDefault("nodeLinkClass","bullet");
	setDefault("preProcessTrees",true);
	if (preProcessTrees) {
		if (!document.createElement) { return; }
		uls = document.getElementsByTagName("ul");
		for (var uli=0;uli<uls.length;uli++) {
			var ul=uls[uli];
			if (ul.nodeName=="UL" && ul.className==treeClass) {
				processList(ul);
			}
		}
	}
	clicker();
}

function processList(ul) {
	if (!ul.childNodes || ul.childNodes.length==0) { return; }
	for (var itemi=0;itemi<ul.childNodes.length;itemi++) {
		var item = ul.childNodes[itemi];
		if (item.nodeName == "LI") {
			var subLists = false;
			for (var sitemi=0;sitemi<item.childNodes.length;sitemi++) {
				var sitem = item.childNodes[sitemi];
				if (sitem.nodeName=="UL") {
					subLists = true;
					processList(sitem);
				}
			}
			var s= document.createElement("SPAN");
			var t= '\u00A0';
			s.className = nodeLinkClass;
			if (subLists) {
				if (item.className==null || item.className=="") {
					item.className = nodeClosedClass;
				}
				if (item.firstChild.nodeName=="#text") {
					t = t+item.firstChild.nodeValue;
					item.removeChild(item.firstChild);
				}
				s.onclick = function () {
					this.parentNode.className = (this.parentNode.className==nodeOpenClass) ? nodeClosedClass : nodeOpenClass;
					return false;
				}
			}
			else {
				item.className = nodeBulletClass;
				s.onclick = function () { return false; }
			}
			s.appendChild(document.createTextNode(t));
			item.insertBefore(s,item.firstChild);
		}
	}
}

var patientenloc = "http://www.mznl.be/main.asp?lan=1&typ=552";
var bezoekersloc = "http://www.mznl.be/main.asp?lan=1&typ=553";
var zorgverlenersloc = "http://www.mznl.be/main.asp?lan=1&typ=554";
var werkenenlerenloc  = "http://www.mznl.be/main.asp?lan=1&typ=555";
var mariaziekenhuisloc = "http://www.mznl.be/main.asp?lan=1&typ=556";
var geriatrischdagziekenhuisloc = "http://www.mznl.be/main.asp?lan=1&typ=605";
var pijncentrumloc = "http://www.mznl.be/main.asp?lan=1&typ=624";
var orthopedieorthopeltloc = "http://www.mznl.be/main.asp?lan=1&typ=686";
var borstkliniekloc = "http://www.mznl.be/main.asp?lan=1&typ=804";
var neurologieloc = "http://www.mznl.be/main.asp?lan=1&typ=818";

function clicker() {
	var query = window.location.search.substring(1);
	if (!query) {return;}
	var subquery = query.substr(0,4);
    switch(subquery) {
        case "Item":
            expandToItem(query);
            break;
        case "pati":
            setLocationIframe(patientenloc);
            break;
        case "bezo":
            setLocationIframe(bezoekersloc);
            break;
        case "zorg":
            setLocationIframe(zorgverlenersloc);
            break;
        case "werk":
            setLocationIframe(werkenenlerenloc);
            break;
        case "mari":
            setLocationIframe(mariaziekenhuisloc);
            break;
        case "main":
            setLocationIframe(query);
            break;
        case "geri":
            setLocationIframe(geriatrischdagziekenhuisloc);
            highlight('Item1');
            break;
        case "pijn":
            setLocationIframe(pijncentrumloc);
            highlight('Item1');
            break;
        case "orth":
            setLocationIframe(orthopedieorthopeltloc);
            highlight('Item1');
            break;
        case "bors":
            setLocationIframe(borstkliniekloc);
            highlight('Item1');
            break;
        case "neur":
            setLocationIframe(neurologieloc);
            highlight('Item1');
            break;
    }
}


// DESELECT SELECTION DOUBLECLICK

function clearSelection() {
    var sel;
    if(document.selection && document.selection.empty) {
        document.selection.empty();
    } else if(window.getSelection) {
        sel=window.getSelection();
        if(sel && sel.removeAllRanges)sel.removeAllRanges();
    }
}


// IFRAME RESIZE TO HEIGHT CONTENT

function getElement(aID)
{
    return (document.getElementById) ? document.getElementById(aID) : document.all[aID];
}

function getIFrameDocument(aID){ 
    var rv = null; 
    var frame=getElement(aID);
    if (frame.contentDocument)
        rv = frame.contentDocument;
    else
        rv = document.frames[aID].document;
    return rv;
}

function adjustMyFrameHeight(frame)
{
    var frameName = frame.id;
    switch(frameName) {
        case "myFrame":
            frame.height = screen.height - 450;
            break;
        case "searchFrame":
            frame.height = screen.height - 550;
            break;
    }
}


// SELECTION NAVIGATION - HIGHLIGHT CURRENT PAGE IN TREE

var prevElement = '';

function highlight(item)
{
    var element = getElement(item);
    if (prevElement != element)
    {
        element.className = 'liBullet selected';
        if (prevElement!= '') {
            prevElement.className ='liBullet deselected';
        }
    }
    prevElement = element;
}


// SEARCH

var box = "";

function zoeken() {
    box = document.getElementById('searchbox').value;
    if (box != "") {
        window.location = "http://www.mznl.be/zoeken.asp?src=" + box + "&Zoeken=Zoeken";
        box = "";
    }
    else {
        window.location = "http://www.mznl.be/zoeken.asp";
    }
}


// DROPDOWN DEELWEBSITES

function dropdowndeelwebsites() {
    var listIndex = document.getElementById('lstDeelwebsites').selectedIndex;
    var link = document.getElementById('lstDeelwebsites').options[listIndex].value;
    window.location = link;
}


// IMAGEMAP ORTHO

function openmenu(item) {
    var elPolsenhand = document.getElementById('polsenhand');
    var elRugennek = document.getElementById('rugennek');
    var elHeup = document.getElementById('heup');
    var elEnkelenvoet = document.getElementById('enkelenvoet');
    var elElleboog = document.getElementById('elleboog');
    var elSchouder = document.getElementById('schouder');
    var elKnie = document.getElementById('knie');
    
    switch(item.id) {
        case 'polsenhand1':
            elPolsenhand.className = 'liOpen';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liClosed';
            elSchouder.className = 'liClosed';
            elKnie.className = 'liClosed';
            break;
        case 'polsenhand2':
            elPolsenhand.className = 'liOpen';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liClosed';
            elSchouder.className = 'liClosed';
            elKnie.className = 'liClosed';
            break;
        case 'rugennek1':
            elPolsenhand.className = 'liClosed';
            elRugennek.className = 'liOpen';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liClosed';
            elSchouder.className = 'liClosed';
            elKnie.className = 'liClosed';
            break;
        case 'heup1':
            elPolsenhand.className = 'liClosed';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liOpen';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liClosed';
            elSchouder.className = 'liClosed';
            elKnie.className = 'liClosed';
            break;
        case 'enkelenvoet1':
            elPolsenhand.className = 'liClosed';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liOpen';
            elElleboog.className = 'liClosed';
            elSchouder.className = 'liClosed';
            elKnie.className = 'liClosed';
            break;
        case 'elleboog1':
            elPolsenhand.className = 'liClosed';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liOpen';
            elSchouder.className = 'liClosed';
            elKnie.className = 'liClosed';
            break;
        case 'elleboog2':
            elPolsenhand.className = 'liClosed';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liOpen';
            elSchouder.className = 'liClosed';
            elKnie.className = 'liClosed';
            break;
        case 'schouder1':
            elPolsenhand.className = 'liClosed';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liClosed';
            elSchouder.className = 'liOpen';
            elKnie.className = 'liClosed';
            break;
        case 'schouder2':
            elPolsenhand.className = 'liClosed';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liClosed';
            elSchouder.className = 'liOpen';
            elKnie.className = 'liClosed';
            break;
        case 'knie1':
            elPolsenhand.className = 'liClosed';
            elRugennek.className = 'liClosed';
            elHeup.className = 'liClosed';
            elEnkelenvoet.className = 'liClosed';
            elElleboog.className = 'liClosed';
            elSchouder.className = 'liClosed';
            elKnie.className = 'liOpen';
            break;
    }
}