var rotate_softball = 
{
	// global vars
	image_url: new Array(),
	arrayLength: null,
	
	changeImage: function(type)
	{
		// fade image out
		$('#softball_currentImage').animate({opacity: 0.1}, 'fast', function()
		{
			var thisNum = parseInt($('#softball_currentImage').attr('alt').replace(/Featured Project /g,''));
			var newImageId = 0;
			
			if(type == 'prev')
			{
				// determine next image
				newImageId = (thisNum > 0) ? (thisNum-1) : rotate_softball.arrayLength;				
			}
			else
			{
				// determine next image
				newImageId = (thisNum < rotate_softball.arrayLength) ? (thisNum+1) : 0;				
			}
			
			// force image to load
			var nextImage = new Image(); 
			nextImage.src = rotate_softball.image_url[newImageId][0];

			if(nextImage.complete)
			{
				// fade new image in
				$('#softball_currentImage').attr('src', rotate_softball.image_url[newImageId][0]).attr('alt', ''+newImageId);
				$('#softball_currentImage').animate({opacity: 1}, 'fast');
								
			}
			else
			{
				nextImage.onload = function()
				{
					$('#softball_currentImage').attr('src',rotate_softball.image_url[newImageId][0]).attr('alt', ''+newImageId);
					$('#softball_currentImage').animate({opacity: 1}, 'fast');
				}								
			}						
		});		
	},

	init: function()
	{		                                                                                          
		rotate_softball.image_url[0] = new Array('/img/culture_highlights/softball/SB_1.jpg');
		rotate_softball.image_url[1] = new Array('/img/culture_highlights/softball/SB_2.jpg');
		rotate_softball.image_url[2] = new Array('/img/culture_highlights/softball/SB_3.jpg');
		rotate_softball.image_url[3] = new Array('/img/culture_highlights/softball/SB_4.jpg');
		rotate_softball.image_url[4] = new Array('/img/culture_highlights/softball/SB_5.jpg');
		rotate_softball.image_url[5] = new Array('/img/culture_highlights/softball/SB_6.jpg');
		rotate_softball.image_url[6] = new Array('/img/culture_highlights/softball/SB_7.jpg');
		rotate_softball.image_url[7] = new Array('/img/culture_highlights/softball/SB_8.jpg');
		rotate_softball.image_url[8] = new Array('/img/culture_highlights/softball/SB_9.jpg');
		rotate_softball.image_url[9] = new Array('/img/culture_highlights/softball/SB_10.jpg');
		rotate_softball.image_url[10] = new Array('/img/culture_highlights/softball/SB_11.jpg');
		rotate_softball.image_url[11] = new Array('/img/culture_highlights/softball/SB_12.jpg');
		rotate_softball.image_url[12] = new Array('/img/culture_highlights/softball/SB_13.jpg');
		rotate_softball.image_url[13] = new Array('/img/culture_highlights/softball/SB_14.jpg');
		rotate_softball.image_url[14] = new Array('/img/culture_highlights/softball/SB_15.jpg');
		rotate_softball.image_url[15] = new Array('/img/culture_highlights/softball/SB_16.jpg');
		
		rotate_softball.arrayLength = rotate_softball.image_url.length;
		rotate_softball.arrayLength -= 1;
		$('#hlPreviousSoftball').bind('click', function() { rotate_softball.changeImage('prev'); });
		$('#hlNextSoftball').bind('click', function() { rotate_softball.changeImage('next'); });
	}
}