var ajaxx = new sack();

function chModel(v) {
	hide('down');
	if(v != ''){
		ajaxx.requestFile = 'inc/data.php?getmodel&id='+v;
		ajaxx.onCompletion = showModels;
		ajaxx.runAJAX();
	} else {
		hide('trmodel');
	}
}

function showModels() {
	show('trmodel');
	var mod = document.getElementById('model');
	eval(ajaxx.response);
}

function chDown(v) {
	if(v != ''){
		ajaxx.requestFile = 'inc/data.php?getfiles&id='+v;
		ajaxx.onCompletion = showFiles;
		ajaxx.runAJAX();
	} else {
		hide('down');
	}
}

function showFiles() {
	show('down');
	var files = document.getElementById('files');
	eval(ajaxx.response);
}

function show(showwhat){
	showobject = document.getElementById(showwhat);
	showobject.style.display = "";
}

function hide(hidewhat){
	hideobject = document.getElementById(hidewhat);
	hideobject.style.display = "none";
}