$(document).ready(function () {
	var itemShow = 4;
	var itemWidth = 150;

    var scrollWindow = document.getElementById('pscroll_window');

	
	var itemcount = $('#pscroller_ul li').length;
	var itemcount = itemcount - itemShow -1;
	

	$('#pscroller_ul li:gt('+ itemcount +')').clone().prependTo('#pscroller_ul');
	
	var items = $('#pscroller_ul > li').length;

	
	scrollWindow.scrollLeft = (itemShow * itemWidth);
	
	var pscrollerWidth = items * itemWidth;
	var endCheck = pscrollerWidth - (itemShow * itemWidth);
	$('#pscroller_ul').css('width', pscrollerWidth);
	
	
	

	
	
  scroll_rl = function() {

        $scroll = scrollWindow.scrollLeft;
		
        if($scroll%150 != 0) return false;
        if($scroll == 0) {
           scrollWindow.scrollLeft = (endCheck-150);
           $scroll = (endCheck-150);
        }
        $newscroll = $scroll - 150;
       $(scrollWindow).animate({scrollLeft:$newscroll});
        return false;
  };

  scroll_lr = function() {
  		
        $scroll = scrollWindow.scrollLeft;
		
        if($scroll%150 != 0) return false;
        if($scroll >= (endCheck)) {
           scrollWindow.scrollLeft = 0;
           $scroll = 0;
        }
        $newscroll = $scroll + 150;
       $(scrollWindow).animate({scrollLeft:$newscroll});
        return false;
  };

  $('#pscroll_window').mousedown(scroll_lr);
  $('#scroll_btn_rl').mousedown(scroll_rl);
  $('#scroll_btn_lr').mousedown(scroll_lr);
  setInterval('$(\'#pscroll_window\').mousedown()',3000);
  
  
});