function AmazonLib()
{
	this.fieldInfo = function (link_id, div_id)
	{
		$amazon_jq(link_id).hover(
			function() {
				$amazon_jq(div_id).css('display', 'block');
			},
			function () {
				$amazon_jq(div_id).css('display', 'none');
			});
	}
	
	this.expand = function() 
	{
		var asin = $amazon_jq(this).attr('id');
		$amazon_jq('.' + asin).removeClass('cache_sub');
		$amazon_jq(this).removeClass('cache_expand');
		$amazon_jq(this).addClass('cache_collapse');
		$amazon_jq(this).unbind('click');
		$amazon_jq(this).click(amazon_lib.collapse);
	}
	
	this.collapse = function() 
	{
		var asin = $amazon_jq(this).attr('id');
		$amazon_jq('.' + asin).addClass('cache_sub');
		$amazon_jq(this).addClass('cache_expand');
		$amazon_jq(this).removeClass('cache_collapse');
		$amazon_jq(this).unbind('click');
		$amazon_jq(this).click(amazon_lib.expand);
	}
	
	this.addField = function()
	{
		var index = Number($amazon_jq('[name=template_field_index]').val());
		$amazon_jq('#post_fields').append('<strong>Field Name: </strong> <input type="text" name="template_field_names_' + index + '" /> ');
		$amazon_jq('#post_fields').append('<strong>Default Value: </strong> <input type="text" name="template_field_defaults_' + index + '" /> <br /><br />');
		index++;
		$amazon_jq('[name=template_field_index]').val(index);
	}
	
	this.selectTemplate = function()
	{
		var temp_id = $amazon_jq('[name=amazon_post_template_select]').val();
		var old_temp_id = $amazon_jq('#amazon_current_template').val();
		
		if(temp_id == '')
		{
			$amazon_jq('#amazon_tools_template_fields').css('display', 'none');
			return;
		}
		
		var template_fields = {};
		
		$amazon_jq('.amazon_tools_field').each(function(index) {
			template_fields[this.name] = $amazon_jq(this).val();
		});
		
		var data = 	{	action: 'amazon_change_template',
						security: amazon_nonce,
						current_template: old_temp_id,
						new_template: temp_id,
						post_id: amazon_post_id,
						fields: template_fields
					};
		
		$amazon_jq.post(ajaxurl, data, amazon_lib.ajaxSuccess, 'html')
			.error(ajaxError);
	}
	
	this.ajaxSuccess = function(response)
	{
		$amazon_jq('#amazon_tools_template_fields').css('display', 'block');
		
		if(response == 0)
		{
			$amazon_jq('#amazon_post_fields_container').html('<em>Could not retrieve custom fields. Save this post to view custom fields.</em>');
		}
		else
		{
			$amazon_jq('#amazon_post_fields_container').html(response);
		}
	}
	
	this.ajaxError = function()
	{
		$amazon_jq('#amazon_tools_template_fields').css('display', 'block');
		$amazon_jq('#amazon_post_fields_container').html('<em>Could not retrieve custom fields. Save this post to view custom fields.</em>');
	}
}