var newwindow;
function popup(url, widthheight)
{
	//newwindow=window.open(url,'name','height=400,width=200');
	newwindow=window.open(url,'name',widthheight + ',scrollbars=yes');
	if (window.focus) {newwindow.focus()}
}

function printpage() {
	window.print();  
}



/*****************************************/
/* ******** DOJO INSTELLINGEN *************

  	dojo.registerModulePath("topaz", "../topaz");
	dojo.require("topaz.topaz");
 	dojo.require("dojo.lfx.*");
  	dojo.require("dojo.io.*");
  	dojo.require("dojo.event.*");

  
**************************************** */


/*****************************************/
/* Floating menu from plosone.org (dojo) */
var el;
var changeHeight;

function floatMenu() {
  el = $('postcomment');//el = dojo.byId('postcomment');
  var marker = $('floatMarker');//var marker = dojo.byId('floatMarker');
  var markerParent = marker.parentNode;
  var mOffset = topaz.domUtil.getCurrentOffset(marker);
  var mpOffset = topaz.domUtil.getCurrentOffset(markerParent);
  var scrollOffset = dojo.html.getScroll().offset;
  var vpOffset = dojo.html.getViewport();
  var scrollY = scrollOffset.y;  

  var y = 0;
  dojo.html.removeClass(el, 'fixed');  

  if (scrollY > mOffset.top) {
    y = scrollY - mpOffset.top;
    dojo.html.addClass(el, 'fixed');
  }
  
  if (BrowserDetect.browser == "Explorer" && BrowserDetect.version < 7 && ((document.body.offsetHeight-scrollY) >= vpOffset.height)) {
    //el.style.top = y + "px";
    changeHeight = y;
    window.setTimeout("changeTopPosition()", 100);

  }
}



function changeTopPosition() {
  el.style.top = changeHeight + "px";
}

/*****************************************/




/*****	sIFR 2.0.1
	Copyright 2004 - 2005 Mike Davidson, Shaun Inman, Tomas Jogin and Mark Wubben
	This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
**********************************************/

//var hasFlash=function(){var a=6;if(navigator.appVersion.indexOf("MSIE")!=-1&&navigator.appVersion.indexOf("Windows")>-1){document.write('<script language="VBScript"\> \non error resume next \nhasFlash = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash." & '+a+'))) \n</script\> \n');if(window.hasFlash!=null)return window.hasFlash}if(navigator.mimeTypes&&navigator.mimeTypes["application/x-shockwave-flash"]&&navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin){var b=(navigator.plugins["Shockwave Flash 2.0"]||navigator.plugins["Shockwave Flash"]).description;return parseInt(b.charAt(b.indexOf(".")-1))>=a}return false}();String.prototype.normalize=function(){return this.replace(/\s+/g," ")};if(Array.prototype.push==null){Array.prototype.push=function(){var i=0,a=this.length,b=arguments.length;while(i<b){this[a++]=arguments[i++]}return this.length}}if(!Function.prototype.apply){Function.prototype.apply=function(a,b){var c=[];var d,e;if(!a)a=window;if(!b)b=[];for(var i=0;i<b.length;i++){c[i]="b["+i+"]"}e="a.__applyTemp__("+c.join(",")+");";a.__applyTemp__=this;d=eval(e);a.__applyTemp__=null;return d}}function named(a){return new named.Arguments(a)}named.Arguments=function(a){this.oArgs=a};named.Arguments.prototype.constructor=named.Arguments;named.extract=function(a,b){var c,d;var i=a.length;while(i--){d=a[i];if(d!=null&&d.constructor!=null&&d.constructor==named.Arguments){c=a[i].oArgs;break}}if(c==null)return;for(e in c)if(b[e]!=null)b[e](c[e]);return};var parseSelector=function(){var a=/^([^#.>`]*)(#|\.|\>|\`)(.+)$/;function r(s,t){var u=s.split(/\s*\,\s*/);var v=[];for(var i=0;i<u.length;i++)v=v.concat(b(u[i],t));return v}function b(c,d,e){c=c.normalize().replace(" ","`");var f=c.match(a);var g,h,i,j,k,n;var l=[];if(f==null)f=[c,c];if(f[1]=="")f[1]="*";if(e==null)e="`";if(d==null)d=document;switch(f[2]){case "#":k=f[3].match(a);if(k==null)k=[null,f[3]];g=document.getElementById(k[1]);if(g==null||(f[1]!="*"&&!o(g,f[1])))return l;if(k.length==2){l.push(g);return l}return b(k[3],g,k[2]);case ".":if(e!=">")h=m(d,f[1]);else h=d.childNodes;for(i=0,n=h.length;i<n;i++){g=h[i];if(g.nodeType!=1)continue;k=f[3].match(a);if(k!=null){if(g.className==null||g.className.match("\\b"+k[1]+"\\b")==null)continue;j=b(k[3],g,k[2]);l=l.concat(j)}else if(g.className!=null&&g.className.match("\\b"+f[3]+"\\b")!=null)l.push(g)}return l;case ">":if(e!=">")h=m(d,f[1]);else h=d.childNodes;for(i=0,n=h.length;i<n;i++){g=h[i];if(g.nodeType!=1)continue;if(!o(g,f[1]))continue;j=b(f[3],g,">");l=l.concat(j)}return l;case "`":h=m(d,f[1]);for(i=0,n=h.length;i<n;i++){g=h[i];j=b(f[3],g,"`");l=l.concat(j)}return l;default:if(e!=">")h=m(d,f[1]);else h=d.childNodes;for(i=0,n=h.length;i<n;i++){g=h[i];if(g.nodeType!=1)continue;if(!o(g,f[1]))continue;l.push(g)}return l}}function m(d,o){if(o=="*"&&d.all!=null)return d.all;return d.getElementsByTagName(o)}function o(p,q){return q=="*"?true:p.nodeName.toLowerCase().replace("html:", "")==q.toLowerCase()}return r}();var sIFR=function(){var a="http://www.w3.org/1999/xhtml";var b=false;var c=false;var d;var ah=[];var al=document;var ak=al.documentElement;var am=window;var au=al.addEventListener;var av=am.addEventListener;var f=function(){var g=navigator.userAgent.toLowerCase();var f={a:g.indexOf("applewebkit")>-1,b:g.indexOf("safari")>-1,c:navigator.product!=null&&navigator.product.toLowerCase().indexOf("konqueror")>-1,d:g.indexOf("opera")>-1,e:al.contentType!=null&&al.contentType.indexOf("xml")>-1,f:true,g:true,h:null,i:null,j:null,k:null};f.l=f.a||f.c;f.m=!f.a&&navigator.product!=null&&navigator.product.toLowerCase()=="gecko";if(f.m)f.j=new Number(g.match(/.*gecko\/(\d{8}).*/)[1]);f.n=g.indexOf("msie")>-1&&!f.d&&!f.l&&!f.m;f.o=f.n&&g.match(/.*mac.*/)!=null;if(f.d)f.i=new Number(g.match(/.*opera(\s|\/)(\d+\.\d+)/)[2]);if(f.n||(f.d&&f.i<7.6))f.g=false;if(f.a)f.k=new Number(g.match(/.*applewebkit\/(\d+).*/)[1]);if(am.hasFlash&&(!f.n||f.o)){var aj=(navigator.plugins["Shockwave Flash 2.0"]||navigator.plugins["Shockwave Flash"]).description;f.h=parseInt(aj.charAt(aj.indexOf(".")-1))}if(g.match(/.*(windows|mac).*/)==null||f.o||f.c||(f.d&&(g.match(/.*mac.*/)!=null||f.i<7.6))||(f.b&&f.h<7)||(!f.b&&f.a&&f.k<124)||(f.m&&f.j<20020523))f.f=false;if(!f.o&&!f.m&&al.createElementNS)try{al.createElementNS(a,"i").innerHTML=""}catch(e){f.e=true}f.p=f.c||(f.a&&f.k<312)||f.n;return f}();function at(){return{bIsWebKit:f.a,bIsSafari:f.b,bIsKonq:f.c,bIsOpera:f.d,bIsXML:f.e,bHasTransparencySupport:f.f,bUseDOM:f.g,nFlashVersion:f.h,nOperaVersion:f.i,nGeckoBuildDate:f.j,nWebKitVersion:f.k,bIsKHTML:f.l,bIsGecko:f.m,bIsIE:f.n,bIsIEMac:f.o,bUseInnerHTMLHack:f.p}}if(am.hasFlash==false||!al.getElementsByTagName||!al.getElementById||(f.e&&f.p))return{UA:at()};function af(e){if((!k.bAutoInit&&(am.event||e)!=null)||!l(e))return;b=true;for(var i=0,h=ah.length;i<h;i++)j.apply(null,ah[i]);ah=[]}var k=af;function l(e){if(c==false||k.bIsDisabled==true||((f.e&&f.m||f.l)&&e==null&&b==false)||(al.body==null||al.getElementsByTagName("body").length==0))return false;return true}function m(n){if(f.n)return n.replace(new RegExp("%\d{0}","g"),"%25");return n.replace(new RegExp("%(?!\d)","g"),"%25")}function as(p,q){return q=="*"?true:p.nodeName.toLowerCase().replace("html:", "")==q.toLowerCase()}function o(p,q,r,s,t){var u="";var v=p.firstChild;var w,x,y,z;if(s==null)s=0;if(t==null)t="";while(v){if(v.nodeType==3){z=v.nodeValue.replace("<","&lt;");switch(r){case "lower":u+=z.toLowerCase();break;case "upper":u+=z.toUpperCase();break;default:u+=z}}else if(v.nodeType==1){if(as(v,"a")&&!v.getAttribute("href")==false){if(v.getAttribute("target"))t+="&sifr_url_"+s+"_target="+v.getAttribute("target");t+="&sifr_url_"+s+"="+m(v.getAttribute("href")).replace(/&/g,"%26");u+='<a href="asfunction:_root.launchURL,'+s+'">';s++}else if(as(v,"br"))u+="<br/>";if(v.hasChildNodes()){y=o(v,null,r,s,t);u+=y.u;s=y.s;t=y.t}if(as(v,"a"))u+="</a>"}w=v;v=v.nextSibling;if(q!=null){x=w.parentNode.removeChild(w);q.appendChild(x)}}return{"u":u,"s":s,"t":t}}function A(B){if(al.createElementNS&&f.g)return al.createElementNS(a,B);return al.createElement(B)}function C(D,E,z){var p=A("param");p.setAttribute("name",E);p.setAttribute("value",z);D.appendChild(p)}function F(p,G){var H=p.className;if(H==null)H=G;else H=H.normalize()+(H==""?"":" ")+G;p.className=H}function aq(ar){var a=ak;if(k.bHideBrowserText==false)a=al.getElementsByTagName("body")[0];if((k.bHideBrowserText==false||ar)&&a)if(a.className==null||a.className.match(/\bsIFR\-hasFlash\b/)==null)F(a, "sIFR-hasFlash")}function j(I,J,K,L,M,N,O,P,Q,R,S,r,T){if(!l())return ah.push(arguments);aq();named.extract(arguments,{sSelector:function(ap){I=ap},sFlashSrc:function(ap){J=ap},sColor:function(ap){K=ap},sLinkColor:function(ap){L=ap},sHoverColor:function(ap){M=ap},sBgColor:function(ap){N=ap},nPaddingTop:function(ap){O=ap},nPaddingRight:function(ap){P=ap},nPaddingBottom:function(ap){Q=ap},nPaddingLeft:function(ap){R=ap},sFlashVars:function(ap){S=ap},sCase:function(ap){r=ap},sWmode:function(ap){T=ap}});var U=parseSelector(I);if(U.length==0)return false;if(S!=null)S="&"+S.normalize();else S="";if(K!=null)S+="&textcolor="+K;if(M!=null)S+="&hovercolor="+M;if(M!=null||L!=null)S+="&linkcolor="+(L||K);if(O==null)O=0;if(P==null)P=0;if(Q==null)Q=0;if(R==null)R=0;if(N==null)N="#FFFFFF";if(T=="transparent")if(!f.f)T="opaque";else N="transparent";if(T==null)T="";var p,V,W,X,Y,Z,aa,ab,ac;var ad=null;for(var i=0,h=U.length;i<h;i++){p=U[i];if(p.className!=null&&p.className.match(/\bsIFR\-replaced\b/)!=null)continue;V=p.offsetWidth-R-P;W=p.offsetHeight-O-Q;aa=A("span");aa.className="sIFR-alternate";ac=o(p,aa,r);Z="txt="+m(ac.u).replace(/\+/g,"%2B").replace(/&/g,"%26").replace(/\"/g, "%22").normalize() + S + "&w=" + V + "&h=" + W + ac.t;F(p,"sIFR-replaced");if(ad==null||!f.g){if(!f.g)p.innerHTML=['<embed class="sIFR-flash" type="application/x-shockwave-flash" src="',J,'" quality="best" wmode="',T,'" bgcolor="',N,'" flashvars="',Z,'" width="',V,'" height="',W,'" sifr="true"></embed>'].join("");else{if(f.d){ab=A("object");ab.setAttribute("data",J);C(ab,"quality","best");C(ab,"wmode",T);C(ab,"bgcolor",N)}else{ab=A("embed");ab.setAttribute("src",J);ab.setAttribute("quality","best");ab.setAttribute("flashvars",Z);ab.setAttribute("wmode",T);ab.setAttribute("bgcolor",N)}ab.setAttribute("sifr","true");ab.setAttribute("type","application/x-shockwave-flash");ab.className="sIFR-flash";if(!f.l||!f.e)ad=ab.cloneNode(true)}}else ab=ad.cloneNode(true);if(f.g){if(f.d)C(ab,"flashvars",Z);else ab.setAttribute("flashvars",Z);ab.setAttribute("width",V);ab.setAttribute("height",W);ab.style.width=V+"px";ab.style.height=W+"px";p.appendChild(ab)}p.appendChild(aa);if(f.p)p.innerHTML+=""}if(f.n&&k.bFixFragIdBug)setTimeout(function(){al.title=d},0)}function ai(){d=al.title}function ae(){if(k.bIsDisabled==true)return;c=true;if(k.bHideBrowserText)aq(true);if(am.attachEvent)am.attachEvent("onload",af);else if(!f.c&&(al.addEventListener||am.addEventListener)){if(f.a&&f.k>=132&&am.addEventListener)am.addEventListener("load",function(){setTimeout("sIFR({})",1)},false);else{if(al.addEventListener)al.addEventListener("load",af,false);if(am.addEventListener)am.addEventListener("load",af,false)}}else if(typeof am.onload=="function"){var ag=am.onload;am.onload=function(){ag();af()}}else am.onload=af;if(!f.n||am.location.hash=="")k.bFixFragIdBug=false;else ai()}k.UA=at();k.bAutoInit=true;k.bFixFragIdBug=true;k.replaceElement=j;k.updateDocumentTitle=ai;k.appendToClassName=F;k.setup=ae;k.debug=function(){aq(true)};k.debug.replaceNow=function(){ae();k()};k.bIsDisabled=false;k.bHideBrowserText=true;return k}();

/*	sIFR 2.0.1 Official Add-ons 1.2
	Copyright 2005 Mark Wubben
	This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>


if(typeof sIFR=="function")(function(){var j=document;var h=j.documentElement;sIFR.removeDecoyClasses=function(){function a(b){if(b&&b.className!=null)b.className=b.className.replace(/\bsIFR-hasFlash\b/,"")}return function(){a(h);a(j.getElementsByTagName("body")[0])}}();sIFR.preferenceManager={storage:{sCookieId:"sifr",set:function(a){var b=new Date();b.setFullYear(b.getFullYear()+3);j.cookie=[this.sCookieId,"=",a,";expires=",b.toGMTString(),";path=/"].join("")},get:function(){var a=j.cookie.match(new RegExp(";?"+this.sCookieId+"=([^;]+);?"));if(a!=null&&a[1]=="false")return false;else return true},reset:function(){var a=new Date();a.setFullYear(a.getFullYear()-1);j.cookie=[this.sCookieId,"=true;expires=",a.toGMTString(),";path=/"].join("")}},disable:function(){this.storage.set(false)},enable:function(){this.storage.set(true)},test:function(){return this.storage.get()}};if(sIFR.preferenceManager.test()==false){sIFR.bIsDisabled=true;sIFR.removeDecoyClasses()}sIFR.rollback=function(){function a(b){var c,d,e,f,g,h;var l=parseSelector(b);var i=l.length-1;var m=false;while(i>=0){c=l[i];l.length--;d=c.parentNode;if(c.getAttribute("sifr")=="true"){h=0;while(h<d.childNodes.length){c=d.childNodes[h];if(c.className=="sIFR-alternate"){e=c;h++;continue}d.removeChild(c)}if(e!=null){f=e.firstChild;while(f!=null){g=f.nextSibling;d.appendChild(e.removeChild(f));f=g}d.removeChild(e)}if(!sIFR.UA.bIsXML&&sIFR.UA.bUseInnerHTMLHack)d.innerHTML+="";d.className=d.className.replace(/\bsIFR\-replaced\b/,"")};m=true;i--}return m}return function(k){named.extract(arguments,{sSelector:function(a){k=a}});if(k==null)k="";else k+=">";sIFR.removeDecoyClasses();sIFR.bHideBrowserText=false;if(a(k+"embed")==false)a(k+"object")}}()})()

*/




/***** DYNAMIC CONTENT CALLS/SUBMITS AJAX *****/
/**********************************************/
var http_request = false;


function makeRequest(url, parameters, elementid) {

      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = function() {   	
		      if (http_request.readyState == 4) {		      	
		         if (http_request.status == 200) {
		            //alert(http_request.responseText);
		            var getelement = document.getElementById(elementid) ? document.getElementById(elementid) : parent.document.getElementById(elementid);
		            if(getelement){
		            	//alert(getelement);
		           	 	 result = http_request.responseText;		            
		           		 getelement.innerHTML = result;
		            }
		            
		         } else {
		            alert('There was a problem with the request. ' + http_request.status);
		         }
		      }
      }
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
}

function nToBR(myString){
	return myString.replace(/\n/g, "<br />");
}

function get(processURL, targetElement) {
	
	var getstr = "?";
	
	var inputs = document.getElementsByTagName('input');
	for (var i=0;i<inputs.length;i++){
	
		if (inputs[i].value) {
			getstr += inputs[i].name + "=" + inputs[i].value + "&";
		}
		
		if (inputs[i].checked) {
			getstr += inputs[i].name + "=" + inputs[i].value + "&";
		}
	}
		
	var selects = document.getElementsByTagName('select');
	for (var i=0;i<selects.length;i++){
		if (selects[i].options) {
			getstr += selects[i].name + "=" + selects[i].options[selects[i].selectedIndex].value + "&";
		}
	}
	
	var textareas = document.getElementsByTagName('textarea');
	for (var i=0;i<textareas.length;i++){
	
		if (textareas[i].value) {
			getstr += textareas[i].name + "=" + nToBR(textareas[i].value) + "&";
			//alert(textareas[i].value);
		}
	}
		
	// laatste & eraf knippen
	getstr = getstr.substring(0,getstr.length-1);  	  
	makeRequest(processURL, getstr, targetElement);
}



/***** EXTENDING SCRIPTACULOUS AJAX *****/
/****************************************/
Effect.SlideUpAndDown = function(element, spanid) {
	element = $(element);
	
	if(Element.visible(element)){
		new Effect.SlideUp(element);

		if(spanid){
			original = document.getElementById(spanid).innerHTML;
			document.getElementById(spanid).innerHTML = original.replace("Verberg","Toon");
		}	
	
	} else {
		new Effect.SlideDown(element);
		
		if(spanid){
			original = document.getElementById(spanid).innerHTML;
			document.getElementById(spanid).innerHTML = original.replace("Toon","Verberg");
		}
	}

  
}


/************* TEXT RESIZING ************/
/****************************************/

var currentTextSize = null;
var currentLineHeight = null;
// check for cookie
if (get_text_cookie("vtdkfontsize")) {
    currentTextSize = parseInt(get_text_cookie("vtdkfontsize"));
} else {
    currentTextSize = 12;
    createCookie("vtdkfontsize",currentTextSize,1000);
}
currentLineHeight = currentTextSize + 6;

function textSize(dir) {
    if (dir == 'up') {
        if (currentTextSize <= 17) {
            currentTextSize += 2;
        }
    } else if (dir == 'down') {
        if (currentTextSize > 12) {
            currentTextSize -= 2;
        }
    }
    currentLineHeight = currentTextSize + 6;
    document.getElementById('bodyText').style.fontSize = currentTextSize + 'px';
    document.getElementById('bodyText').style.lineHeight = currentLineHeight + 'px';
    // write/rewrite cookie
    createCookie("ihtfontsize",currentTextSize,1000);
}

function get_text_cookie ( cookie_name ){
  var results = document.cookie.match ( cookie_name + '=(.*?)(;|$)' );

  if ( results ) {
    return ( unescape ( results[1] ) );
  }
  else { return null; }
}

// creates a cookie with the given parameters
function createCookie(name,value,days){
	if (days){
		var date = new Date();
		date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
		var expires = "; expires=" + date.toGMTString();
	} else {
		var expires = "";
	}
	document.cookie = name + "=" + value + expires + "; path=/";
}