// JavaScript Document
$move_byeaster = 421;
$frame_lefteaster = 0;
$frame_noeaster = 1;




$(document).ready(function()
{
	
	$max_clickseaster = $("#image_containereaster").children().size(); 	
	
	/* Kudos to Rob MacKay [http://www.twitter.com/svgrob] for suggesting that we don't have to put a easteric style="width: 3960px" attribute in the div tag */
		$(".preveaster").fadeOut();
	$(".preveaster").click(function()
		{
   			/* Set the new position & frame number */
			$new_frame_noeaster = (($frame_noeaster/1)-1);

			$new_lefteaster = (($frame_lefteaster/1) + $move_byeaster);
			/* Check if we're moving too far over */
			if($new_frame_noeaster == 1)

				{$(".preveaster").fadeOut();			}
			else if($frame_noeaster == $max_clickseaster )
				{$(".nexteaster").fadeIn();}
			
			if($new_frame_noeaster <= 0)
				{
					/* Move the images all the way left, minus one frame */
					$new_lefteaster = -($move_byeaster*$max_clickseaster)+$move_byeaster;
					$new_frame_noeaster = $max_clickseaster;
					   
				}
			$new_left_attreaster = $new_lefteaster+"px";
			$("#image_containereaster").animate({left: $new_left_attreaster}, 800 );
			$frame_lefteaster = $new_lefteaster;
			$frame_noeaster = $new_frame_noeaster;
			
		});
	$(".nexteaster").click(function()
		{
			/* Set the new position & frame number */
			$new_frame_noeaster = (($frame_noeaster/1)+1);
			$new_lefteaster = (($frame_lefteaster/1) - $move_byeaster);
			/* Check if we're moving too far over */
			
			if ($new_frame_noeaster == $max_clickseaster)
				{$(".nexteaster").fadeOut();}
			else if ($frame_noeaster == 1)
			{$(".preveaster").fadeIn();}
			
			if($new_frame_noeaster > $max_clickseaster)
				{		
						/* Move all the way right, to the beginning*/
					$new_lefteaster = 0;
					$new_frame_noeaster = 1;
				
				}				
			$new_left_attreaster = $new_lefteaster+"px";
			
			$("#image_containereaster").animate({left: $new_left_attreaster}, 800 );
			$frame_lefteaster = $new_lefteaster;
			$frame_noeaster = $new_frame_noeaster;
		});	
});