function Element(e) {
	if(typeof(e)!='string') return e;
    if(document.getElementById) e=document.getElementById(e);
    else if(document.all) e=document.all[e];
	else e=null;
    return e;
}

function SetContent(id, content) {
	var obj = Element(id);
	obj.innerHTML = content;
}

function setBackground(id, image) {
	var obj = Element(id);
	obj.style.background = '#fff url('+image+') 0 0 no-repeat';
}

var selected_image = '';
function showImage(layer_id, image_id) {
	var src = gallery_url+layer_id+'/image'+image_id+'.jpg';

	//SetContent('imagelayer'+layer_id, '<div class="loader"></div>');

	//var objImage = document.createElement("img");
	//objImage.setAttribute('id','lightboxImage');


	imgPreload = new Image();

	imgPreload.onload=function(){
		//objImage.src = src;
		//SetContent('imagelayer'+layer_id, '');

		//objLayer = document.getElementById('imagelayer'+layer_id);
		//objLayer.appendChild(objImage);

		setBackground('imagelayer'+layer_id, src);
		selected_image = src;

		objLink = Element('zoom');
		objLink.href = src;

		//objLink2 = Element('email');
		//objLink2.href = 'mailto:?subject=doyoureadme.nl_image&body='+encodeURIComponent(src);
		//objLink2.href = 'javascript:email();';
		
		objLink3 = Element('click');
		objLink3.href = src;

		return false;
	}

	imgPreload.src = src;


	//var img = '<img src="'+src+'" alt="" />';
	//alert(img);

	//SetContent('imagelayer'+layer_id, img);
}

function email() {
	objLink = Element('zoom');
	//alert(objLink.href);
	window.location = 'mailto:?subject=doyoureadme.nl%20image&body='+encodeURIComponent(objLink.href);
}

var step = 0;
function scroll(direction, max) {
	step += direction;

	if (step < 0) {
		step = 0;
	}
	if (step > max) {
		step = max;
	}

    var obj = Element('thumbs');
    obj.scrollLeft = step*94;
}