function getObj(name){
if (document.getElementById){
this.obj = document.getElementById(name);
this.style = document.getElementById(name).style;
}
else if (document.all){
this.obj = document.all[name];
this.style = document.all[name].style;
}
else if (document.layers){
this.obj = document.layers[name];
this.style = document.layers[name];
}
}
function setOpacity(value){
thisObj= new getObj("image_container");
thisObj.style.opacity = value/10;
thisObj.style.filter = 'alpha(opacity=' + value*10 + ')';
}
function loadPrevNext(id){
currentId=id;
previousId=id-1;
nextId=id+1;
total=img.length-1;
if(previousId<1){
previousId=total;
}
if(nextId>total){
nextId=1;
}
nextImage= new Image;
nextImage.src = img[nextId];
previousImage= new Image;
previousImage.src = img[previousId];
}
function showNextImage(){
setOpacity(0);
document.images["imgbig"].src=nextImage.src;
var pic = document.getElementById('piclink')
var newlink = nextImage.src.replace('lowres', 'tmp');
pic.setAttribute("href", newlink);
pic.setAttribute("rel", "lightbox");
writeIt(subscript[nextId],"image_subscript");
counterText=nextId+"/"+total;
writeIt(counterText,"counter");
fadeIncrement=0;
fadeImage();
loadPrevNext(nextId);
}
function showPreviousImage(){
setOpacity(0);
document.images["imgbig"].src=previousImage.src;
writeIt(subscript[previousId],"image_subscript");
counterText=previousId+"/"+total;
writeIt(counterText,"counter");
fadeIncrement=0;
fadeImage();
loadPrevNext(previousId);
}
function fadeImage(){
if(fadeIncrement!=11){
setOpacity(fadeIncrement);
fadeIncrement++;
fadeTimer=setTimeout("fadeImage()",10);
}
else{
clearTimeout(fadeTimer);
}
}
function initImageViewer(){
fadeIncrement=0;
loadPrevNext(1);
fadeImage();
}
function download(URL)
{
var generator=window.open('','atw','height=550,width=550,scrollbars=yes');
generator.document.write('Atw.nl - Download image'+"\r\n");
generator.document.write(''+"\r\n");
generator.document.write('Selecteer \'afbeelding opslaan als\' om de afbeelding te downloaden naar uw computer.
'+"\r\n");
generator.document.write('
Venster sluiten'+"\r\n");
generator.document.write(''+"\r\n");
generator.document.close();
}
function writeIt(text,id){
if (document.getElementById){
x = document.getElementById(id);
x.innerHTML = '' + text + '';
}
else if (document.all){
x = document.all[id];
x.innerHTML = '
' + text + '';
}
else if (document.layers){
x = document.layers[id];
text2 = '
' + text + '
';
x.document.open();
x.document.write(text2);
x.document.close();
}
document.images["imgbig"].setAttribute('id', 'clickable');
}