function validate(testform) {
if (testform.vehicletype_int.options[1].selected == false)

{
if (testform.make_int.options[0].selected == false )

{

if (testform.make_int.options[0].selected == true) {
window.alert("You must select a vehicle Make.");
return false;
}

if (testform.powermodel.options[0].selected == true) {
window.alert("You must select a vehicle Model.");
return false;
}
}
}
return true;
}