jQuery(document).ready(
	function() {
		jQuery('#adaptor_brand').change(
			function() {
				var form = jQuery(this).parents('form:first');
				
				jQuery('#adaptor_series').find('option[value=""]').attr('selected',true);
				jQuery('#adaptor_series').attr('disabled','disabled');
				
				form.submit();
			}
		);
		
		jQuery('#adaptor_series').change(
			function() {
				var brand_form = jQuery('#adaptor_brand').parents('form:first');
				var brand_select_name = jQuery('#adaptor_brand').attr('name');
				var brand_select_value = jQuery('#adaptor_brand').find('option:selected').val();
				
				var form = jQuery(this).parents('form:first');
				var url = brand_form.attr('action') + '/' + brand_select_name + '/' + brand_select_value;
	
				form.attr('action',url);
				form.submit();
			}
		);
		
		jQuery('#fm_id').change(
			function() {
				jQuery('#rc_id').attr('disabled','disabled');
				var form = jQuery(this).parents('form:first');
				form.submit();
			}
		);
		
		jQuery('#rc_id').change(
			function() {
				jQuery('#fm_id').attr('disabled','disabled');
				var form = jQuery(this).parents('form:first');
				form.submit();
			}
		);
	}
);