$(function() {
				/**
				* navR,navL are flags for controlling the albums navigation
				* first gives us the position of the album on the left
				* positions are the left positions for each of the 5 albums displayed at a time
				*/
                var navR,navL	= false;
				var first		= 1;
				var positions 	= {
					'0'		: 0,
					'1' 	: 170,
					'2' 	: 340,
					'3' 	: 510,
					
				}
				var $ps_albums2 		= $('#ps_albums2');
				/**
				* number of albums available
				*/
				var elems			= $ps_albums2.children().length;
				var $ps_slider2		= $('#ps_slider2');
				
				/**
				* let's position all the albums on the right side of the window
				*/
				var hiddenRight 	= $(window).width() - $ps_albums2.offset().left;
				$ps_albums2.children('div').css('left',hiddenRight + 'px');
				
				/**
				* move the first 5 albums to the viewport
				*/
				$ps_albums2.children('div:lt(4)').each(
					function(i){
						var $elem = $(this);
						$elem.animate({'left': positions[i] + 'px','opacity':1},1000,function(){
							if(elems > 4)
								enableNavRight();
						});
					}
				);
				
				/**
				* next album
				*/
				$ps_slider2.find('.next').bind('click',function(){
					if(!$ps_albums2.children('div:nth-child('+parseInt(first+4)+')').length || !navR) return;
					disableNavRight();
					disableNavLeft();
					moveRight();
				});
				
				/**
				* we move the first album (the one on the left) to the left side of the window
				* the next 4 albums slide one position, and finally the next one in the list
				* slides in, to fill the space of the first one
				*/
				function moveRight () {
					var hiddenLeft 	= $ps_albums2.offset().left + 163;
					
					var cnt = 0;
					$ps_albums2.children('div:nth-child('+first+')').animate({'left': - hiddenLeft + 'px','opacity':0},500,function(){
							var $this = $(this);
							$ps_albums2.children('div').slice(first,parseInt(first+3)).each(
								function(i){
									var $elem = $(this);
									$elem.animate({'left': positions[i] + 'px'},800,function(){
										++cnt;
										if(cnt == 3){
											$ps_albums2.children('div:nth-child('+parseInt(first+4)+')').animate({'left': positions[cnt] + 'px','opacity':1},500,function(){
												//$this.hide();
												++first;
												if(parseInt(first + 3) < elems)
													enableNavRight();
												enableNavLeft();
											});
										}		
									});
								}
							);		
					});
				}
				
				/**
				* previous album
				*/
				$ps_slider2.find('.prev').bind('click',function(){
					if(first==1  || !navL) return;
					disableNavRight();
					disableNavLeft();
					moveLeft();
				});
				
				/**
				* we move the last album (the one on the right) to the right side of the window
				* the previous 4 albums slide one position, and finally the previous one in the list
				* slides in, to fill the space of the last one
				*/
				function moveLeft () {
					var hiddenRight 	= $(window).width() - $ps_albums2.offset().left;
				
					var cnt = 0;
					var last= first+3;
					$ps_albums2.children('div:nth-child('+last+')').animate({'left': hiddenRight + 'px','opacity':0},500,function(){
							var $this = $(this);
							$ps_albums2.children('div').slice(parseInt(last-4),parseInt(last-1)).each(
								function(i){
									var $elem = $(this);
									$elem.animate({'left': positions[i+1] + 'px'},800,function(){
										++cnt;
										if(cnt == 3){
											$ps_albums2.children('div:nth-child('+parseInt(last-4)+')').animate({'left': positions[0] + 'px','opacity':1},500,function(){
												//$this.hide();
												--first;
												enableNavRight();
												if(first > 1)
													enableNavLeft();
											});
										}										
									});
								}
							);
					});
				}
				
				/**
				* disable or enable albums navigation
				*/
				function disableNavRight () {
					navR = false;
					$ps_slider2.find('.next').addClass('disabled');
				}
				function disableNavLeft () {
					navL = false;
					$ps_slider2.find('.prev').addClass('disabled');
				}
				function enableNavRight () {
					navR = true;
					$ps_slider2.find('.next').removeClass('disabled');
				}
				function enableNavLeft () {
					navL = true;
					$ps_slider2.find('.prev').removeClass('disabled');
				}		
				
			
            });