var count;
var images;
var current = 0;
var spanCurrentImage;
var galleryInit = function(hldr)
{
	if(document.getElementById(hldr))
	{
		images = document.getElementById(hldr).getElementsByTagName("img");
		spanCurrentImage = document.getElementById("currentImageNumber");
		spanCurrentImage.innerHTML = current + 1;
		
		var spanCount = document.getElementById("galleryImageCount");
		spanCount.innerHTML = images.length;

		count = images.length - 1;
		for (var item = i = 0; item = images[i]; i++)
		{
			images[i].id = "img" + i;
		}
		images[current].className="current";
	}
	if(document.getElementById("caption")){
		items = document.getElementById("caption").getElementsByTagName("p");
		count = items.length - 1;
		for (var i=0; i<items.length; i++){
			items[i].id = "p" + i;
		}
		items[current].className='current';
	}
}
	
var next = function()
{ 
	currentId = "img" + current;
	if(current < count)
	{ 
		nextItem = current + 1;
	}
	else
	{
		return;
	}
  
	nextId = "img" + nextItem;
	document.getElementById(currentId).className = '';
	document.getElementById(nextId).className = 'current';
  
	if(document.getElementById("caption"))
	{
		currentId = "p" + current;
		nextId = "p" + nextItem;
		document.getElementById(currentId).className = '';
		document.getElementById(nextId).className = 'current';
	}
	
	current = nextItem;
	spanCurrentImage.innerHTML = current + 1;
}

var prev = function()
{ 
	currentId = "img" + current;
	if(current > 0)
	{
		prevItem = current - 1;
	}
	else
	{
		return;
	}
  
	prevId = "img" + prevItem;
	document.getElementById(currentId).className = '';
	document.getElementById(prevId).className = 'current';
  
  if(document.getElementById('caption'))
	{
		currentId = "p" + current;
		prevId = "p" + prevItem;
		document.getElementById(currentId).className = '';
		document.getElementById(prevId).className = 'current';
	}
  
	current = prevItem;
	spanCurrentImage.innerHTML = current + 1;
}

function wopen (k, l, m, n){
	window.open(k,l,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width='+m+',height='+n+',top=50,left=50'); 

}