var curId;
var curNr;
var curTd;
function showDescription(elementid){
	if(curId != null)
		$(curId+ '_link').setStyle({fontWeight: 'normal'});
	curId = elementid;
	var id = curId + '_description';
	$('gallery_title').innerHTML = $(id).title;
	$('gallery_description').innerHTML = $(id).innerHTML;
	id = curId + '_link';
	$(id).setStyle({fontWeight: 'bold'});
	$('description_table').show();
}

function hideDescription(){
	$('description_table').hide();
	if(curId != null)
		$(curId+ '_link').setStyle({fontWeight: 'normal'});
}

function openGallery(name, nr){
	window.open('gallerywindow_'+name+'.htm', nr, "width=900,height=700,left=100,top=200");
}

function init(){	
	var nr = window.name;
	showImage(document.getElementById(nr));
}

function showImage(td){
	if(curTd)
		$(curTd).setStyle({fontWeight: 'normal'});
	curTd = td;
	$('theImage').src = 'images/'+gallery+'/'+td.id+'.jpg';
	$(td).setStyle({fontWeight: 'bold'});
	$('imageDesc').innerHTML = td.title;
}

function showPrevious(){
	var nr = curTd.id;
	nr--;
	if(document.getElementById(nr))
		showImage(document.getElementById(nr));
}

function showNext(){
	var nr = curTd.id;
	nr++;
	if(document.getElementById(nr))
		showImage(document.getElementById(nr));
}