var ModelObjectId;
var Models = new Array();

function SetObjectId(Obj)
{
	ModelObjectId = Obj;
}
function AddModel(Main,Id,Name)
{
	Models[Models.length] = new Array(Main,Id,Name);
}
function GetModels(Main)
{
	ClearModelos();
	for(i=0; i<Models.length; i++)
	{
		if (Models[i][0] == Main)
		{
			newLength = document.getElementById(ModelObjectId).options.length++;
			document.getElementById(ModelObjectId).options[newLength] = new Option(Models[i][2], Models[i][1]);
		}
	}
}
function ClearModelos()
{
	for(i=1; i<Models.length; i++)
	{
		document.getElementById(ModelObjectId).options[i] = null;
	}
	newLength = document.getElementById(ModelObjectId).options.length = 1;
}
function Validate(MainObj,IdObj)
{
	if (MainObj.value == "0")
	{
		alert("Selecione a marca desejada.");
		MainObj.focus();
		return false;
	}else if (IdObj.value == "0"){
		alert("Selecione o modelo desejado.");
		IdObj.focus();
		return false;
	}else{
		return true;
	}
}