// JavaScript Document
$move_bywall = 525;
$frame_leftwall = 0;
$frame_nowall = 1;




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

			$new_leftwall = (($frame_leftwall/1) + $move_bywall);
			/* Check if we're moving too far over */
			if($new_frame_nowall == 1)

				{$(".prevwall").fadeOut();			}
			else if($frame_nowall == $max_clickswall )
				{$(".nextwall").fadeIn();}
			
			if($new_frame_nowall <= 0)
				{
					/* Move the images all the way left, minus one frame */
					$new_leftwall = -($move_bywall*$max_clickswall)+$move_bywall;
					$new_frame_nowall = $max_clickswall;
					   
				}
			$new_left_attrwall = $new_leftwall+"px";
			$("#image_containerwall").animate({left: $new_left_attrwall}, 800 );
			$frame_leftwall = $new_leftwall;
			$frame_nowall = $new_frame_nowall;
			
		});
	$(".nextwall").click(function()
		{
			/* Set the new position & frame number */
			$new_frame_nowall = (($frame_nowall/1)+1);
			$new_leftwall = (($frame_leftwall/1) - $move_bywall);
			/* Check if we're moving too far over */
			
			if ($new_frame_nowall == $max_clickswall)
				{$(".nextwall").fadeOut();}
			else if ($frame_nowall == 1)
			{$(".prevwall").fadeIn();}
			
			if($new_frame_nowall > $max_clickswall)
				{		
						/* Move all the way right, to the beginning*/
					$new_leftwall = 0;
					$new_frame_nowall = 1;
				
				}				
			$new_left_attrwall = $new_leftwall+"px";
			
			$("#image_containerwall").animate({left: $new_left_attrwall}, 800 );
			$frame_leftwall = $new_leftwall;
			$frame_nowall = $new_frame_nowall;
		});	
});