var animating = false;

$(document).ready(function() {
	$(".slider-next").click(function() {
		maxWidth = ($(".slider-item").length * 870) - 870 - 1;
		sliderPos = $(".slider-container").position().left;
		if (!animating)
		{
			if ((sliderPos*-1) < maxWidth)
			{
				animating = true;
				$('.slider-container').animate({
					left: '-=870'
				  }, 1000, function() {
					// Animation complete.
					ShowHideButtons();
					animating = false;
				});
			}
		}
	});
	
	$(".slider-previous").click(function() {
		maxWidth = ($(".slider-item").length * 870 ) -1;
		sliderPos = $(".slider-container").position().left;

		if (!animating)
		{
			if(sliderPos < 0)
			{
				animating = true;
				$('.slider-container').animate({
					left: '+=870'
				  }, 1000, function() {
					ShowHideButtons();
					animating = false;
					// Animation complete.
				});
			}
		}
	});
	
	function ShowHideButtons()
	{
		maxWidth = ($(".slider-item").length * 870) - 870 - 1;
		sliderPos = $(".slider-container").position().left;
	//	alert("sliderpos" + sliderPos + "//maxWidth" + maxWidth);
		if ((sliderPos*-1) >= maxWidth)
		{
			 $(".slider-next").fadeOut(500);
			 $(".slider-previous").fadeIn(500);
		}
		else if (sliderPos == 0)
		{
			 $(".slider-previous").fadeOut(500);
			 $(".slider-next").fadeIn(500);
		}
		else
		{
			$(".slider-previous").fadeIn(500);
			 $(".slider-next").fadeIn(500);
		}
		
	}
});