function jump(fe){
 var opt_key = fe.selectedIndex;
 var uri_val = fe.options[opt_key].value;
 if (uri_val==""){
 return false;
 }else{
 window.open(uri_val,'_self');
 return true;
 }

 }

function positielaag (detop) {
tabelbreedte=800;
tabelhoogte=465;


var hetzwaard=document.getElementById("laag");
var detitel=document.getElementById("titel");

var zlinks=(document.body.clientWidth-tabelbreedte)/2;
var ztop=(document.body.clientHeight-tabelhoogte)/2+102;

var tlinks=(document.body.clientWidth-tabelbreedte)/2;
var ttop=(document.body.clientHeight-tabelhoogte)/2+102;

hetzwaard.style.left=zlinks;
hetzwaard.style.top=ztop;

detitel.style.left=tlinks;
detitel.style.top=ttop;
}

function laagaan(status, img, ttop){

 tabelhoogte=465;
 var hetzwaard=parent.window.document.getElementById("laag");
 var dewaarde=hetzwaard.style.top.split('px');
 var ztop=(parent.window.document.body.clientHeight-tabelhoogte)/2+97;
 laag=parent.window.document.getElementById("laag");

 if(status=="aan"){
 laag.style.visibility='visible';
 plaatje="<img src=images/"+img+" border=0>";
 laag.innerHTML=plaatje;
 if(ttop!=""){
 var ztop=(parent.window.document.body.clientHeight-tabelhoogte)/2+96;
 }
 }else{
 laag.style.visibility='hidden';
 }
 hetzwaard.style.top=ztop;

  }

function handlebeheerlinks(txt, onderwerp){
var links = new Array ('home', 'projecten', 'actueel', 'links');

hetiframe=parent.window.document.getElementById("frame");
hetiframe.height=parent.window.document.body.clientHeight-175;

for (i = 0; i < links.length; i++){
var delink=parent.window.document.getElementById(links[i]);
var deillu=parent.window.document.getElementById("img"+links[i]);
var detitel=parent.window.document.getElementById("titel");


if(links[i]==onderwerp){

var oAttrColl = delink.attributes;
oAttrColl.removeNamedItem("href");
deillu.src="./images/"+links[i]+".gif";
parent.window.document.title="Piet Blaauw | "+txt+"";
}else if(links[i]!=onderwerp){
deillu.src="./images/"+links[i]+"-out.gif";
delink.href="beheer/frame.php?onderwerp="+links[i]+"";
deillu.onmouseout=function(){this.src="./images/"+this.id+"-out.gif" }
}
detitel.innerHTML="beheer | "+txt+"";
}
}

function handlelinks(onderwerp){
var links = new Array ('home', 'scheepstimmerwerk', 'interieurbouw', 'projecten', 'actueel', 'links', 'contact');

for (i = 0; i < links.length; i++){
var delink=parent.window.document.getElementById(links[i]);
var deillu=parent.window.document.getElementById("img"+links[i]);
var detitel=parent.window.document.getElementById("titel");


if(links[i]==onderwerp){

var oAttrColl = delink.attributes;
oAttrColl.removeNamedItem("href");
deillu.src="./images/"+links[i]+".gif";
detitel.innerHTML=links[i]

}else if(links[i]!=onderwerp){
deillu.src="./images/"+links[i]+"-out.gif";
delink.href="frame.php?onderwerp="+links[i]+"";
deillu.onmouseout=function(){this.src="./images/"+this.id+"-out.gif" }
}
}
}

function over(link) {
var deillu=parent.window.document.getElementById("img"+link);
this.src="./images/"+link+".gif";
}

function linkout(id, hlink) {
//alert(id.src);
var deillu=parent.window.document.getElementById("img"+link);
id.src="./images/"+link+"-out.gif";
}

function fadeOut(obj) {
//obj.style.visibility="visible";
    obj.style.filter="blendTrans(duration=1)";
        if ((obj.visibility != "hidden") && (obj.filters.blendTrans.status != 1)) {
        obj.filters.blendTrans.Apply();
        obj.style.visibility="hidden";
            obj.filters.blendTrans.Play();
        }
}


var ie5  = (document.all && document.getElementById);
var ns6  = (!document.all && document.getElementById);
function fadeOut(obj) {

if(ns6){
obj.style.display = "none";
}

    obj.style.filter="blendTrans(duration=1)";
        if ((obj.visibility != "hidden") && (obj.filters.blendTrans.status != 1)) {
        obj.filters.blendTrans.Apply();
        obj.style.visibility="hidden";
            obj.filters.blendTrans.Play();
        }
}

function show(which){

if (document.getElementById && document.createTextNode){
                m=document.getElementById("menu");
                meer=document.getElementById("meerlezen");


                trig=m.getElementsByTagName("div").item(which).style.display;

                if (trig=="block") trig="none";
                else if (trig=="" || trig=="none") trig="block";
                m.getElementsByTagName("div").item(which).style.display=trig;

        }
}

function openmodWin(root,name,W,H, scrolling, status, resize){
if((navigator.appName=="Microsoft Internet Explorer")&&(navigator.appVersion.indexOf("5.")>=0)){
myWin=window.showModalDialog(root,"","dialogHeight:"+H+"px; scroll:"+scrolling+"; dialogWidth:"+W+"px; center: Yes; help: No; status:"+status+"; resizable:"+resize+";");
}
if(navigator.appName=="Netscape" || navigator.platform.indexOf("MacPPC")>= 0){
myWin = open(root,name,'width='+W+',height='+H+',resizable=yes');
myWin.moveTo((screen.width-W)/2,(screen.height-H)/2);
myWin.focus();
}
}