// JavaScript Document

var sliderPos = 0;

function slideThumbs(direction){
	var browser = document.getElementById('photoBrowser');
	var anchors = document.getElementById('photoBrowser').getElementsByTagName('A');
	var totalAnchors = anchors.length;
	var firstNav = false;
	var lastNav = false;
	var holder;
	var navCount = 0;
	for (var i=0; i < totalAnchors; i++){
		if(anchors[i].className.search('navLink') >= 0){
			if(firstNav === false) firstNav = i;
			lastNav = i;
		}
	}
	
	if(direction == 'right'){
		holder = anchors[firstNav];
		browser.removeChild(anchors[firstNav]);
		browser.insertBefore(holder, document.getElementById('photoNavRight'));
	} else {
		holder = anchors[lastNav];
		browser.removeChild(anchors[lastNav]);
		browser.insertBefore(holder, anchors[firstNav]);		
	}
	
	for (var i=0; i < totalAnchors; i++){
		if(anchors[i].className.search('navLink') >= 0){
			navCount++;
			
			anchors[i].className = anchors[i].className.replace(new RegExp(" hidden\\b"), "");		
			var localImage = anchors[i].getElementsByTagName('IMG');
			localImage[0].className = localImage[0].className.replace(new RegExp(" last\\b"), "");
			if(navCount==3)
				localImage[0].className += " last";
			
			if(navCount <= 3){
				anchors[i].className = anchors[i].className.replace(new RegExp(" hidden\\b"), "");
			} else {
				anchors[i].className += " hidden";
			}					
		} 
	}
}