function open_faqinfo(faqteller,faqmax) {   

 for (teller=1;teller<=faqmax;teller=teller+1) {
 document.getElementById('informatie'+teller).style.display = "none";
 document.getElementById('informatie_pijl'+teller).style.display = "none";  
 document.getElementById('informatielink'+teller).style.display = "block";
 document.getElementById('informatielink_pijl'+teller).style.display = "block";   
 }
 document.getElementById('informatie'+faqteller).style.display = "block";
 document.getElementById('informatie_pijl'+faqteller).style.display = "block"; 
 document.getElementById('informatielink'+faqteller).style.display = "none"; 
 document.getElementById('informatielink_pijl'+faqteller).style.display = "none";  
}

function close_faqinfo(faqteller) {   
 document.getElementById('informatie'+faqteller).style.display = "none";
 document.getElementById('informatie_pijl'+faqteller).style.display = "none";  
 document.getElementById('informatielink'+faqteller).style.display = "block"; 
 document.getElementById('informatielink_pijl'+faqteller).style.display = "block";   
}


function open_faqinfoZ(faqtellerZ,faqmax) {   

 for (tellerZ=1;tellerZ<=faqmax;tellerZ=tellerZ+1) {
 document.getElementById('informatieZ'+tellerZ).style.display = "none";
 document.getElementById('informatielinkZ'+tellerZ).style.display = "block"; 
 }
 document.getElementById('informatieZ'+faqtellerZ).style.display = "block";
 document.getElementById('informatielinkZ'+faqtellerZ).style.display = "none"; 
}

function close_faqinfoZ(faqtellerZ) {   
 document.getElementById('informatieZ'+faqtellerZ).style.display = "none";
 document.getElementById('informatielinkZ'+faqtellerZ).style.display = "block"; 
}