imagelooper = 0;
        preloads    = new Array();
/*
        imgs        = new Array('/images/IMG_3090.jpg', 
                                '/images/IMG_4892.jpg', 
                                '/images/IMG_4928.jpg');
*/								
		var imgs = Array();
        
        
        function preloadImgs() {
            for (i in imgs) {
                if (imgs[i] != '') {
                    preloads[i]     = new Image();
                    preloads[i].src = imgs[i];
                }
            }
        }
        
        function nextImage(arg) {
			if(arg== 'last'){
	           	if (imagelooper == 0) {
	                imagelooper = (preloads.length-1);
	            } else {
	                imagelooper--;
	            }
			}else{
				if (imagelooper == (preloads.length - 1)) {
	                imagelooper = 0;
	            } else {
	                imagelooper++;
	            }
			}
            document.getElementById('slideshowImg').src = preloads[imagelooper].src;
        }
        
	addLoadEvent(function() {
	  preloadImgs();
	});