loadTypes = function() {
	new Ajax.Request('http://www.wyomingtrailer.com/edit/index.php/loadjson/gettypes/' + $('manufacturer').value, {
		method: 'get',
		onSuccess: function(transport){
			types = transport.responseText.evalJSON(true);
			$('type').length = 0;
			$('type').options[0] = new Option('Choose One',0);
			for (i = 0; i < types.length; i++) {
				$('type').options[i+1] = new Option(types[i].name,types[i].id);
			}
			$('model').length = 0;
			$('model').options[0] = new Option('Choose type first',0);
		}
	});
}

loadModels = function() {
	new Ajax.Request('http://www.wyomingtrailer.com/edit/index.php/loadjson/getmodels/' + $('type').value, {
		method: 'get',
		onSuccess: function(transport){
			models = transport.responseText.evalJSON(true);
			$('model').length = 0;
			$('model').options[0] = new Option('Choose One',0);
			for (i = 0; i < models.length; i++) {
				$('model').options[i+1] = new Option(models[i].name,models[i].id);
			}
		}
	});	
}

loadTrailers = function() {
	new Ajax.Request('http://www.wyomingtrailer.com/edit/index.php/loadjson/gettrailers/' + $('model').value, {
		method: 'get',
		onSuccess: function(transport){
			trailers = transport.responseText.evalJSON(true);
			$('trailer').length = 0;
			$('trailer').options[0] = new Option('Choose One',0);
			for (i = 0; i < trailers.length; i++) {
				$('trailer').options[i+1] = new Option(trailers[i].stock_number,trailers[i].stock_number);
			} 
		}
	});	
}