function changeImage(path, img){
	var el = document.getElementById('slide_img');
	
	var selectedItem = document.getElementById('slide_img').src;
		
	var tmp = selectedItem.match(/\/(.\d{0,10})\.jpg/i);
		
	selectedItem = 'd_' + tmp[1];
	
	if(document.getElementById(selectedItem).className == 'bar_img_selected'){
		document.getElementById(selectedItem).className = 'bar_img';
		
	}
	
	document.getElementById('d_' + img).className = 'bar_img_selected';
	el.src = path + img + '.jpg';	

}

function nextSlide(){
	var selectedItem = document.getElementById('slide_img').alt;
	selectedItem = selectedItem.replace('tn', 'd_');
	
	var divEl = document.getElementById('scroll');
	var el = divEl.childNodes;
	var j, k = 0, p_showed, hide = false;

	for(j = 0; j < el.length; j++){
		if(el[j].id){
			k++;
			if(((el[j].className == 'bar_img') || ((el[j].className == 'bar_img_selected'))) && (!hide)){
				el[j].className = 'bar_img_hide';
				hide = true;
				

			}	else if((el[j].className == 'bar_img_hide') && (hide)){
				if(selectedItem == el[j].id){
					el[j].className = 'bar_img_selected';
					
				}	else{
					el[j].className = 'bar_img';
					
				}
				
				hide = false;
				p_showed = k;

			}
			
		}

	}
	
	//Приховування кнопки прокрутки вперед
	if(p_showed == count){
		$('#next').css('display','none');
		
	}
	
	//Виведення кнопки прокрутки назад
	if($('#prew').css('display') == 'none'){
		$('#prew').css('display','block');
		
	}
	
}

function prewSlide(){
	var selectedItem = document.getElementById('slide_img').alt;
	selectedItem = selectedItem.replace('tn', 'd_');
	
	var divEl = document.getElementById('scroll');
	var el = divEl.childNodes;
	var j, k = count, p_hide, hide = false;

	for(j = (el.length - 1); j > -1 ; j--){
		if(el[j].id){			
			if(((el[j].className == 'bar_img') ||(el[j].className == 'bar_img_selected')) && (!hide)){
				el[j].className = 'bar_img_hide';
				hide = true;				

			}	else if((el[j].className == 'bar_img_hide') && (hide)){
				if(selectedItem == el[j].id){
					el[j].className = 'bar_img_selected';
					
				}	else{
					el[j].className = 'bar_img';
					
				}
				
				hide = false;
				p_hide = k;				

			}			
			
			k--;
			
		}

	}

	//Приховування кнопки прокрутки назад
	if(p_hide == 1){
		$('#prew').css('display','none');
		
	}
	
	//Виведення кнопки прокрутки вперед
	if($('#next').css('display') == 'none'){
		$('#next').css('display', 'block');
		
	}
	
}

function nextImage(url, id_new, id_old){
	var oldItem = String(id_old);
	oldItem = oldItem.replace('tn', 'd_');
	document.getElementById(oldItem).className = 'bar_img';
	
	var selectedItem = String(id_new);	
	selectedItem = selectedItem.replace('tn', 'd_');	
	
	if(document.getElementById(selectedItem).className == 'bar_img_hide'){
		var done = false;
		while(done == false){
			nextSlide();
			if(document.getElementById(selectedItem).className == 'bar_img'){
				break;
				
			}
			
		}
		
	}
	
	var x = String(id_new);
	x = x.replace('tn', '');
			
	var el = document.getElementById('slide_img');
	var src = url.replace(/(\d{1,10}).jpg/i, x + '.jpg');	
	el.src = src;
	el.alt = id_new;
	
	document.getElementById(selectedItem).className = 'bar_img_selected';
	
}

function prewImage(url, id_new, id_old){
	var selectedItem = String(id_new);	
	selectedItem = selectedItem.replace('tn', 'd_');	
	
	if(document.getElementById(selectedItem).className == 'bar_img_hide'){	
		var done = false;
		while(done == false){
			prewSlide();
			if(document.getElementById(selectedItem).className == 'bar_img'){
				break;
				
			}
			
		}
		
	}
	
	var oldItem = String(id_old);
	oldItem = oldItem.replace('tn', 'd_');
	document.getElementById(oldItem).className = 'bar_img';
	
	var x = String(id_new);
	x = x.replace('tn', '');
	
	var el = document.getElementById('slide_img');
	var src = url.replace(/(\d{1,10}).jpg/i, x + '.jpg');	
	el.src = src;
	el.alt = id_new;	
	
	document.getElementById(selectedItem).className = 'bar_img_selected';
	
}