$(document).ready(function(){
	var previous = 'bluray';
	$("#bundle_options input").click(function() {
		var format = $("input[name='bsFormat']:checked").val();
		showNewImg = (format!=previous) ?  true : false;
		previous = format;
		var gender = $("input[name='bsGender']:checked").val();
		var size = $("input[name='size']:checked").val();
		prod_id = 0;

		// determine product combination:
		// format: dvd or bluray
		// t-shirt gender: male or famale
		// t-shirt size: medium, large, or x-large
		switch(format) 
			{
			case 'dvd': switch(size) 
				{
				case 'mm': prod_id= 5506707; break;
				case 'ml': prod_id= 5506708; break;
				case 'mxl': prod_id= 5506709; break;
				case 'mxxl': prod_id= 5506734; break;
				
				case 'fs': prod_id= 5506731; break;
				case 'fm': prod_id= 5506710; break;
				case 'fl': prod_id= 5506711; break;
				case 'fxl': prod_id= 5506712; break;
				}; break;
			case 'bluray': switch(size) 
				{
				case 'mm': prod_id= 5506713; break;
				case 'ml': prod_id= 5506714; break;
				case 'mxl': prod_id= 5506715; break;
				case 'mxxl': prod_id= 5506736; break;
				
				case 'fs': prod_id= 5506735; break;
				case 'fm': prod_id= 5506716; break;
				case 'fl': prod_id= 5506717; break;
				case 'fxl': prod_id= 5506718; break;
				}; break;
			}
	
	

		// show appropriate buy button
		$('.buyNowButton').hide();
		$('#bdBundle_'+prod_id).show();	
		
		// if format changes, change left col prod image
		// and/or track listing under product description in right column
		if (showNewImg)
			{
			// show appropriate left col image
			//$('.bs_prodShots').hide();
			//$('#bs_'+ format).show();		
			//$visible = $('#bs_'+ format+':visible');
			//$visible.hide();
			//$('#bs_'+ format).css( {'zIndex': 1, opacity: 0.2, top: '8px' } ).show().animate ( { top: 0,	opacity: 1 }, 350, 'linear', function() {} );
			
			// show appropriate track listing
			$('.tracks_container').hide();
			$('#' + format + '_track_container').show();	

			}	
	
	});
});