function form_event(form)
{
	cur = form.options[form.selectedIndex].value;
	document.copart_cars.makeName.value=form.options[form.selectedIndex].text;
	for (var n=document.copart_cars.model.options.length - 1; n > -1; n--)
  {
	  document.copart_cars.model.options[n] = null;
	}
	for (var n=0; n < main[cur].length; n++)
  {
	  document.copart_cars.model.options[n] = new Option(main[cur][n], main[cur][n]);
	}
	document.copart_cars.model.options[0].selected=true;
}