function ajax_form(path,id,append, parent){
	
	$.post(path, { id: id },
   		function(data){	
			if (parent){
				$("select[rel="+parent+"]").parent().parent().parent().parent().parent().parent('.compareForm').find("select[rel="+append+"]").html('');
				$("select[rel="+parent+"]").parent().parent().parent().parent().parent().parent('.compareForm').find("select[rel="+append+"]").append(data);
			}
			else{
				$("select[rel="+append+"]").html('');
				$("select[rel="+append+"]").append(data);
     		}	
   	});


}


$(document).ready(function(){


	$("select[rel='vehicle_type']").change(function(){
		$("select[rel='model']").html('<option value="" label="dowolny">dowolny</option>');
		$("select[rel='type']").html('<option value="" label="dowolny">dowolny</option>');
		var id = $(this).val();
		ajax_form('/ajax_brand_form.php',id,'brand',0);
		ajax_form('/ajax_type_form.php',id,'type',0);
		
		

	});
	
	$("select[rel='brand']").change(function(){
		
		var id = $(this).val();
		ajax_form('/ajax_model_form.php',id,'model',0);
		

	});
	
	$("select[rel='brand2']").change(function(){
		
		var id = $(this).val();
		ajax_form('/ajax_model_form.php',id,'model2',$(this).attr('rel'));
		

	});
	
	$("select[rel='brand3']").change(function(){
		
		var id = $(this).val();
		ajax_form('/ajax_model_form.php',id,'model3',$(this).attr('rel'));
		

	});
	$("select[rel='brand4']").change(function(){
		
		var id = $(this).val();
		ajax_form('/ajax_model_form.php',id,'model4',$(this).attr('rel'));
		

	});




	



});