var $lk = jQuery.noConflict();

$lk(document).ready(function() {
 
 $lk('#topImg img:first').css({'display':'block'});
 $lk('#topImg img:first').addClass('active');  //({'display':'block'});
 $lk('.descTop:first').addClass('active');  //.css({'display':'block'});

 $lk('#btLeft').click( 
					 function() {
						 
						 imgOld  = $lk('#topImg img.active');
						 
						 if($lk('#topImg img.active').prev().attr('src')==null)
						 {						     
							 imgNew  = $lk('#topImg img:last');
						 }
						 else
						 {
							 imgNew  = $lk('#topImg img.active').prev();
						 }
						 
						 changeItem(imgOld, imgNew);
						
						 $lk(this).blur();
						 return false;
					 }
				    );

 $lk('#btRight').click( 
					 function() {
						 
						 imgOld  = $lk('#topImg img.active');
						 
						 if($lk('#topImg img.active').next().attr('src')==null)
						 {						     
							 imgNew  = $lk('#topImg img:first');
						 }
						 else
						 {
							 imgNew  = $lk('#topImg img.active').next();
						 }
						 
						 changeItem(imgOld, imgNew);
							 
						 $lk(this).blur();
						 return false;
					 }
				    );
 
 
 
 function changeItem(imgOld,imgNew)
 {
	 speed = 500;
	 
	 descOld = $lk('.descTop.active');
	 descNew = $lk('#'+imgNew.attr('rel'));
	 
	 imgOld.removeClass('active');
	 imgOld.fadeOut(speed);
	 imgNew.addClass('active');
	 imgNew.fadeIn(speed);

	 descOld.removeClass('active');
	 descOld.fadeOut(speed);
	 descNew.addClass('active');
	 descNew.fadeIn(speed);
	 
 }
 
});