function prepareer(){
breedte=[38,60,51,40,66,110,39,63];
menuknoppen=document.getElementById('menu').getElementsByTagName('li');
 for(i=0;i<menuknoppen.length;i++){
 naam=menuknoppen[i].getElementsByTagName('span');
 naam=naam[0].innerHTML;naam=naam.toLowerCase();naam=naam.replace(' ','-');naam=naam.replace(/\./g,'');
 inh=menuknoppen[i].innerHTML;inh=inh.toLowerCase();
 inh=inh.substring(0,inh.indexOf('</a>'));
 newImg = new Image();
 newImg.src = '/opmaak/indr-'+naam+'.gif';
 inh=inh+'<span class="plaatje" style="background:url(\'/opmaak/knop-'+naam+'.gif\') no-repeat center center #0E113F;width:'+(breedte[i]+8)+'px;" onmouseover="this.style.background=\'url(/opmaak/indr-'+naam+'.gif) no-repeat center center #888CBF\';" onmouseout="this.style.background=\'url(/opmaak/knop-'+naam+'.gif) no-repeat center center #0E113F\';"></span></a>';
 menuknoppen[i].innerHTML=inh;
 }
document.getElementById('menu').style.visibility="visible";
}
function prepareerfilmpje(){
 if(nietvalide==0){
 document.getElementById('media').innerHTML='<object width="718" height="404"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://vimeo.com/moogaloop.swf?clip_id=12708716&amp;server=vimeo.com&amp;show_title=0&amp;show_byline=0&amp;show_portrait=0&amp;color=ffffff&amp;fullscreen=1" /><embed src="http://vimeo.com/moogaloop.swf?clip_id=12708716&amp;server=vimeo.com&amp;show_title=0&amp;show_byline=0&amp;show_portrait=0&amp;color=ffffff&amp;fullscreen=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="718" height="404"></embed></object>';
 }
}

function swaptekst(nummer){
 for(i=1;i<=4;i++){
 (i==nummer) ? a='inline' : a='none';
 document.getElementById('tekst'+i).style.display=a;
 }
location.href='#bio';
}


function bekijkfoto(bestand,deze){
for(k=1;k<=janjaapamount;k++){
document.getElementById('selektor'+k).style.display='none';
}
document.getElementById('bekijkende').src='/fotomap/fotoalbum/'+bestand;
janjaap=deze.getElementsByTagName('img');
janjaap[0].style.display='inline';
}

teller=0;
function herhaalknop(url){
teller++;
if(teller>30){location.href=url;}
}

function antwoord(deze){
innerhtml=deze.innerHTML;
vrglijst=document.getElementById('vragenlijst').getElementsByTagName('a');
 for(i=0;i<vrglijst.length;i++){
 if(vrglijst[i].innerHTML.indexOf('span')>0){vrglijst[i].innerHTML=vrglijst[i].innerHTML.substr(28,vrglijst[i].innerHTML.length-35);}
 if(vrglijst[i].innerHTML==innerhtml){nummer=i;}
 }
deze.innerHTML="<span style='color:white;'>"+deze.innerHTML+"</span>";
antwlijst=document.getElementById('antwoordenlijst').getElementsByTagName('p');
 for(i=0;i<antwlijst.length;i++){
 antwlijst[i].style.display="none";
 }
antwlijst[nummer+1].style.display="block";
}