var win = null

function openWindow(mypage, myname, w, h, scroll) {
    var winl = (screen.width - w) / 2
    var wint = (screen.height - h) / 2
    var settings = 'height=' + h + ','
        settings += 'width=' + w + ','
        settings += 'top=' + wint + ','
        settings += 'left=' + winl + ','
        settings += 'scrollbars=' + scroll + ','
        settings += 'resizable=no'

    win = window.open(mypage, myname, settings)

    if(parseInt(navigator.appVersion) >= 4)
        win.window.focus()
}

function hidestatus() {
    window.status = ''
    return true
}

if (document.layers)
    document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT)

document.onmouseover = hidestatus
document.onmouseout = hidestatus

function addFavs() {
    if(window.external) {
	    external.AddFavorite(location.href, 'Tandarts Praktijk Marsdijk')
	} else {
        alert("Uw browser ondersteund deze functie niet. Als u Netscape Navigator gebruikt.\n"+ "Klikt u op \"Bookmarks\" en dan \"Add Bookmark\"  of gebruik \"Ctrl+D\" om Tandarts Praktijk Marsdijk toe te voegen aan uw favorieten.");
	}
}

var now = new Date()
var days = new Array('zondag', 'maandag', 'dinsdag', 'woensdag', 'donderdag', 'vrijdag', 'zaterdag')
var months = new Array('januar1', 'februari', 'maart', 'april', 'mei', 'juni', 'juli', 'augustus', 'september', 'oktober', 'november', 'december')
var date = ((now.getDate()<10) ? "0" : "")+ now.getDate();

function fourdigits(number)	{
	return (number < 1000) ? number + 1900 : number;
}

var today = date + " " + months[now.getMonth()] + " " + (fourdigits(now.getYear()))

function toggleMenu(objectID) {
	if (isAll || isID) {
		domStyle = findDOM(objectID,1)

		if (domStyle.display == 'block')
            domStyle.display='none'
		else
            domStyle.display='block'
	} else {
		destination = objectID + '.html'
		self.location = destination
	}

	return
}

function setMenu(objectID) {
	if (isAll || isID) {
		domStyle = findDOM(objectID,1)

		if (domStyle.display == 'block')
            domStyle.display='block'
		else
            domStyle.display='block'
	} else {
		destination = objectID + '.html'
		self.location = destination
	}

	return
}

function resetMenu(objectID) {
	if (isAll || isID) {
		domStyle = findDOM(objectID,1)

		if (domStyle.display == 'block')
            domStyle.display='none'
		else
            domStyle.display='none'
	} else {
		destination = objectID + '.html'
		self.location = destination
	}

	return
}

var isDHTML = 0
var isLayers = 0
var isAll = 0
var isID = 0

if (document.getElementById) {isID = 1; isDHTML = 1;}
else {
browserVersion = parseInt(navigator.appVersion);
if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {isLayers = 1; isDHTML = 1;}
else {
if (document.all) {isAll = 1; isDHTML = 1;}
}}

function findDOM(objectID,withStyle) {
var menuArea = "menuArea";
	if (withStyle == 1) {
		if (isID) { return (document.getElementById(objectID).style) ; }
		else { 
			if (isAll) { return (document.all[objectID].style); }
		else {
			if (isLayers) { return (document.layers[menuArea].layers[objectID]); }
		};}
	}
	else {
		if (isID) { return (document.getElementById(objectID)) ; }
		else { 
			if (isAll) { return (document.all[objectID]); }
		else {
			if (isLayers) { return (document.layers[menuArea].layers[objectID]); }
		};}
	}
}

function addLoadEvent(func) {
    var oldonload = window.onload

    if (typeof window.onload != 'function')
        window.onload = func
    else {
        window.onload = function () {
            oldonload()
            func()
        }
    }
}