// JavaScript Document Holwerda Groep
// Timothy van Sas (info@timvansas.nl)

// Verwijder stippellijnen 
function setBlur() {
	entries = document.getElementsByTagName('a');
	for (var i=0; i < entries.length; i++) {
		entries[i].onfocus = function() {this.blur()}
	}
}
// Einde

// Geen statusbar message
function hidestatus(){
window.status=''
return true
}

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

document.onmouseover=hidestatus
document.onmouseout=hidestatus
// Einde

// Nieuwe windows
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "extern")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;

// Toon een verborgen div
function showDiv(id) {
	document.getElementById(id).style.display = "block";
	}

// Verberg een div
function hideDiv(id) {
	document.getElementById(id).style.display = "none";
	}

// Geen spam
function geenspam(user,domain){
		locationstring = "mailto:" + user + "@" + domain;
		window.location = locationstring;
	}

// Tooltip 
var DH = 0;var an = 0;var al = 0;var ai = 0;if (document.getElementById) {ai = 1; DH = 1;}else {if (document.all) {al = 1; DH = 1;} else { browserVersion = parseInt(navigator.appVersion); if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {an = 1; DH = 1;}}} function fd(oi, wS) {if (ai) return wS ? document.getElementById(oi).style:document.getElementById(oi); if (al) return wS ? document.all[oi].style: document.all[oi]; if (an) return document.layers[oi];}
function pw() {return window.innerWidth != null? window.innerWidth: document.body.clientWidth != null? document.body.clientWidth:null;}
function mouseX(evt) {if (evt.pageX) return evt.pageX; else if (evt.clientX)return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); else return null;}
function mouseY(evt) {if (evt.pageY) return evt.pageY; else if (evt.clientY)return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); else return null;}
function popUp(evt,oi) {if (DH) {var wp = pw(); ds = fd(oi,1); dm = fd(oi,0); st = ds.visibility; if (dm.offsetWidth) ew = dm.offsetWidth; else if (dm.clip.width) ew = dm.clip.width; if (st == "visible" || st == "show") { ds.visibility = "hidden"; } else {tv = mouseY(evt) + 20; lv = mouseX(evt) - (ew/4); if (lv < 2) lv = 2; else if (lv + ew > wp) lv -= ew/2; if (!an) {lv += 'px';tv += 'px';} ds.left = lv; ds.top = tv; ds.visibility = "visible";}}}
// Einde

// Toggle Div
function toggleMenu(obj) {
  var el = document.getElementById(obj);
  if ( el.style.display != 'block' ) {
    el.style.display = 'block';
  }
  else {
    el.style.display = '';
  }
}

// Toggle Div
function toggleMenu2(obj) {
  var el = document.getElementById(obj);
  if ( el.style.display != 'none' ) {
    el.style.display = 'none';
  }
  else {
    el.style.display = '';
  }
}

if(document.images) { 
		currentslide=1; 
		maxslides=10; 
		slide = new Array(maxslides+1); 
		thumb = new Array(maxslides+1); 
		for(var n=1;n<=maxslides;n++) { 
			slide[n]=new Image(190,338); 
			slide[n].src='afb/big_'+n+'.jpg'; 
		} 
		for(var n=1;n<=maxslides;n++) { 
			thumb[n]=new Image(190,143); 
			thumb[n].src='afb/thumb_'+n+'.jpg'; 
		} 
	} 
	
	function prevSlide() { 
		if(document.images) { 
			currentslide--; 
			if(currentslide<1) currentslide=maxslides; 
			document.images['slide'].src=thumb[currentslide].src; 
		} 
	} 


	function nextSlide() { 
		if(document.images) { 
			currentslide++; 
			if(currentslide>maxslides) currentslide=1; 
			document.images['slide'].src=thumb[currentslide].src; 
		} 
	} 
function showFullSize(){ 
	openPictureWindow('afb/big_'+currentslide+'.jpg', 450, 338, 'Groter formaat foto'); 
} 
function openPictureWindow(imageName,imageWidth,imageHeight,alt) 
{ 
	var winl = (screen.width-imageWidth)/2;
	var wint = (screen.height-imageHeight)/2;
	if (winl < 0) winl = 0;
	if (wint < 0) wint = 0;
	newWindow = window.open("","newWindow","top=" + wint +",left="+winl+",width="+imageWidth+",height="+imageHeight); 
	newWindow.document.open(); 
	newWindow.document.write('<HTML><TITLE>'+alt+'</TITLE><BODY bgcolor="#FFFFFF" LEFTMARGIN="0" TOPMARGIN="0" MARGINHEIGHT="0" MARGINWIDTH="0" onBlur="self.close()">'); 
	newWindow.document.write('<IMG SRC='+imageName+' WIDTH='+imageWidth+' HEIGHT='+imageHeight+' ALT="'+alt+'">'); 
	newWindow.document.write('</BODY></HTML>'); 
	newWindow.document.close(); 
	newWindow.focus();
} 
// Einde dHTML SlideShow Script