var iCurrentImage = 1;
	
	function showImage(sDirection){
		if(sDirection!=''){
			switch(sDirection){
				case 'previous':   
					if((iCurrentImage-1)<1){
						iCurrentImage = aImages.length;
					}
					else{
						iCurrentImage--;
					} 
					
					break;
				
				case 'next':   
				if((iCurrentImage+1)>aImages.length){
						iCurrentImage = 1;
					}
					else{
						iCurrentImage++;
					} 
					
					break;
			}
			updatePage(iCurrentImage);
		}
	}
	
	function updatePage(iCurrentImage){
		document.images['slideShow'].src = aImages[iCurrentImage-1];
		document.getElementById('total_images').innerHTML = aImages.length + ' Total Images &nbsp;<b>&middot;</b>&nbsp; ' + iCurrentImage + ' of ' + aImages.length;
	}