function updateMake() {
  
  ajaxUrl = "updateMake.php?year="+escape($('#user_year').val());
  
   $.get(ajaxUrl, function(html){
	  $('#showSearch1').html( html );
  });

}

function updateModel() {
     
  // load new options

     ajaxUrl = "updateModel.php?make="+escape($('#user_make').val())+"&year="+escape($('#user_year').val());
     

   $.get(ajaxUrl, function(html){
	  $('#showSearch2').html( html );

  });

}

function updateSubModel(){
  // load new options

     ajaxUrl = "updateSubModel.php?make="+escape($('#user_make').val())+"&year="+escape($('#user_year').val())+"&model="+escape($('#user_model').val());
     

   $.get(ajaxUrl, function(html){
	  $('#showSearch3').html( html );
          
  });
}

function updateVehicle(box) {
 
   
  // load new options
  if(box==1){//make changed
     ajaxUrl = "updateVehicle.php?make="+escape($('#user_make').val())+"&year="+escape($('#user_year').val());
  }
  else{
     ajaxUrl = "updateVehicle.php?make="+escape($('#user_make').val())+"&model="+escape($('#user_model').val())+"&year="+escape($('#user_year').val());
  }
 
   $.get(ajaxUrl, function(html){
	  $('#showSearch').html( html );
  });

}

var currentyear = 0;
function getAllMakesByYear(receiver,year){
 ajaxUrl = "selectionhelper.php?getmakes="+year;
 currentyear = year; 
   $.get(ajaxUrl, function(html){
	  $('#'+receiver).html( html );
	  $('#selectModel').html( '<option>- Model -</option>' );
  });

}

function getModelsbyMake(receiver,make){
	ajaxUrl = "selectionhelper.php?getmodels="+make+'&year='+currentyear;
     

   $.get(ajaxUrl, function(html){
	  $('#'+receiver).html( html );
          
   });
}


function getTireByBrand(receiver,brand){
	ajaxUrl = "selectionhelper.php?gettirebybrand="+brand;
     

   $.get(ajaxUrl, function(html){
	  $('#'+receiver).html( html );
          
   });
}