var currentOpenGroup = "none";
var currentDiv = "none";

function handleThumbClick(group, picDir, picFile, element, showLink) 
{
	if (currentDiv != "none") { currentDiv.className = ""; }
	
	var picname = picFile.substr( 0, picFile.lastIndexOf( "." ) );
	
	var dlLink = 'filedownload.php?filepath=' + picDir + 'large/' + picFile + '&filename=' + picFile;
	
	if (!showLink)
		dlLink = '#';
	
	currentDiv = element.parentNode;
	currentDiv.className = "selected";
	document.getElementById(group + 'Filename').innerHTML = picname.replace(/_/g, " ");
	document.getElementById(group + 'LargeImage').src = picDir + 'small/' + picFile;
	document.getElementById(group + 'DownloadImgLink').href = dlLink;
	document.getElementById(group + 'DownloadLink').href = dlLink;
	openGroup(group);

	return false;
}

function openGroup(group) 
{
	if (currentOpenGroup == group) {
		return;
	} else if (currentOpenGroup != "none") {
		closeGroup(currentOpenGroup);
	}
	document.getElementById(group + "LargeImageArea").style.display = "block";
	document.getElementById(group).className = "openPhotoSection";
	document.location= "#" + group + "Link";
	currentOpenGroup = group;
}

function closeGroup(group) 
{
	document.getElementById(group + "LargeImageArea").style.display = "none";
	document.getElementById(group).className = "photoSection";
}