$(document).ready(function(){
  function adjustProductModel(){
  	var productValue = $('#edit-type-product').val();
  	var tmpSelect = $('#edit-type-product-model');
  	if(productValue.length == 0) {
  		tmpSelect.attr('disabled','disabled');
  		tmpSelect.clearSelect();
  	} else {
  		$.ajax({
			type: "POST",
			data: ({type_product: $("#edit-type-product option:selected").val()}),
			url: "/mydev/mycascade3/1.php",
			dataType: "text", 
			success: function(answ){
			$("#edit-type-product-model").empty();
			$("#edit-type-product-model").append(answ);
			}
		});	
  	}
  };
  $('#edit-type-product').change(function(){
  	adjustProductModel();
  }).change();
});