function loadModelList(mySelector){
	var myModels = document.getElementById('model-' + mySelector.id);
	if (!myModels)
		return;

	var i;

	for(i = myModels.options.length; i > 0; i--){
		myModels.options[i] = null;
	}

	if (!selector[mySelector.id] || !selector[mySelector.id][mySelector.value])
		return;

	var myModelsArr = selector[mySelector.id][mySelector.value];

	for(i=0; i < myModelsArr.length; i++){
		myModels.options[i+1] = new Option(myModelsArr[i]);
	}
}

var selector = new Array();

function showsubCats(catId){
	var d = document;

	if (!d.getElementById)
		return;

	var menu = d.getElementById('menu_js_' + catId);
	if (!menu)
		return;

	menu.style.display = 'block';
}

function hidesubCats(catId){
	var d = document;

	if (!d.getElementById)
		return;

	var menu = d.getElementById('menu_js_' + catId);
	if (!menu)
		return;

	menu.style.display = 'none';
}