// Photo Gallery Load script.
// With image cross fade effect for those browsers that support it.
// Script copyright (C) 2004-2006 http://www.cryer.co.uk/.
// Script is free to use provided this copyright header is included.
var currentGalleryLink = new Array();
function LoadPicture(pictureName,imageFile,captionID,captionText)
{
	if (document.all)
	{
		document.getElementById(pictureName).style.filter="blendTrans(duration=1)";
		document.getElementById(pictureName).filters.blendTrans.Apply();
	}
	document.getElementById(pictureName).src = imageFile;
	if (document.all)
	{
		document.getElementById(pictureName).filters.blendTrans.Play();
	}
	document.getElementById(captionID).innerHTML=captionText;
	// Which link is currently selected?
	for (i=0; i < document.links.length;i++)
	{
	   	var l=document.links[i];
	   	var n=l.getAttributeNode('onclick');
		if (n)
		{
			var onclick = n.value;
	   		if ((onclick) &&
	   			(onclick.indexOf(pictureName) > 0) &&
	   			(onclick.indexOf(imageFile) > 0))
	   		{
			    currentGalleryLink[pictureName] = i;
			    break;
			}
		}
	}
}
function LoadPrev(pictureName)
{
	var current = currentGalleryLink[pictureName];
	if (current == null) current = document.links.length+1;
	var alt = null;
	for (i=document.links.length-1;i>0;i--)
	{
		var link=document.links[i];
		var node = link.getAttributeNode('onclick');
		if (node)
		{
			var onclick = node.nodeValue;
			if ((onclick) &&
				(onclick.indexOf('LoadPicture') >= 0) &&
				(onclick.indexOf(pictureName) > 0))
			{
				if (i < current)
				{
					eval(onclick);
					return;
				} else if (alt == null)
					alt = onclick;
			}
		}
	}
	if (alt) eval(alt);
}
function LoadNext(pictureName)
{
	var current = currentGalleryLink[pictureName];
	if (current == null) {
		currentGalleryLink[pictureName]=-1;
		LoadNext(pictureName);
		current = currentGalleryLink[pictureName];
	}
	var alt = null;
	for (i=0;i<document.links.length;i++) {
		var link = document.links[i];
		var node = link.getAttributeNode('onclick');
		if (node)
		{
			var onclick = node.value;
			if ((onclick) &&
				(onclick.indexOf('LoadPicture') >= 0) &&
				(onclick.indexOf(pictureName) > 0))
			{
				if (i > current)
				{
					eval(onclick);
					return;
				} else if (alt == null)
					alt = onclick;
			}
		}
	}
	if (alt) {
		eval(alt);
	}
}