startList = function() {
    if (document.all&&document.getElementById) {
        navRoot = document.getElementById("topnav");
        for (i=0; i<navRoot.childNodes.length; i++) {
            node = navRoot.childNodes[i];
            if (node.nodeName=="LI") {
                node.onmouseover=function() {
                    for (j=0;j<this.childNodes.length;j++){
                        if(this.childNodes[j].className=="subnav"){
                            this.childNodes[j].style.display="block";
                        }
                    }
                }
                node.onmouseout=function() {
                    for (j=0;j<this.childNodes.length;j++){
                        if(this.childNodes[j].className=="subnav"){
                            this.childNodes[j].style.display="none";
                        }
                    }
                }
            }
        }
    }
}
window.onload=startList;

function bestel(){
    input=document.getElementById("titel")
    input2=document.getElementById("prijs")
    qs=window.location.search.substring(1);
    vars=qs.split('&');
    var $set=Array();
    for (i=0;i<vars.length;i++){
        k=vars[i].split('=')
        if (k[0]=='titel'){
            titel=decodeURI(k[1].replace(/'/g,""));
            input.value=titel;
            input.readOnly=true;
            $set['titel']=true;
        }
        else if(k[0]=='prijs'){
            prijs=decodeURI(k[1].replace(/'/g,""));
            input2.value=prijs;
            input2.readOnly=true;
            $set['prijs']=true;

        }
        if ($set['prijs']==true && $set['titel']==true){
            break;
        }
    }
}

function open_inkijken(fotos){
    qs=''
    for (i=0;i<fotos.length;i++){
        j=i+1
        qs+='foto'+j+'='+fotos[i]+'&';
    }
    window.open("inkijken.html?"+qs,"inkijken",'height=570,width=750,status=no,titlebar=no,toolbar=no,scrollbars=yes')
}

function inkijken(){
    qs=window.location.search.substring(1);
    vars=qs.split('&');
    covers=new Array();
    for (i=0;i<vars.length-1;i++){
        k=vars[i].split('=');
        covers[i]=k[1];
    }
    numbers=document.getElementById("inkijken-numbers");
    for (i=0;i<covers.length;i++){
        link=document.createElement("a")
        link.innerHTML=i+1
        link.href="javascript:showImage("+i+");";
        link.alt=covers[i];
        numbers.appendChild(link)
    }
    showImage(0);
    link=document.getElementById("next");
    link.href="javascript:showImage("+1+");"
    link=document.getElementById("previous");
    link.style.display="None";

}
function showImage(i){
    image=document.getElementById("inkijken-image");
    image.src=covers[i]
    nextlink=document.getElementById("next");
    prevlink=document.getElementById("previous");
    if (i==0){
        prevlink.style.display="None";
    }
    else{
        j=i-1
        prevlink.href="javascript:showImage("+j+");"
        prevlink.style.display="inline";
    }
    if (i==covers.length-1){
        nextlink.style.display="None";
    }
    else{
        j=i+1
        nextlink.href="javascript:showImage("+j+");"
        nextlink.style.display="inline";
    }

}