function search_get_makes(this_type,get_make){
	var thisform = document.forms[this_type+'VehSearch'];
	var thisdropdown = thisform.make;
	var selectedIndex = 0;

	var make_display = window[this_type+'_make_display'];
	var make_value = window[this_type+'_make_value'];

    if(thisdropdown){
		thisdropdown.length = 0;
        for(index=0; index<make_display.length; index++)	{
			thisdropdown[index] = new Option(make_display[index],make_value[index]);

            if(get_make){
				if(make_value[index] == get_make.toLowerCase()){
					selectedIndex = index;
				}
			}
		}

		thisdropdown.options[selectedIndex].selected = true;
	}

	search_get_models(this_type,selectedIndex);
}

function search_get_models(this_type,this_make){
    var thisform = document.forms[this_type+'VehSearch'];
	var thisdropdown = thisform.model;

    var model_display = window[this_type+'_model_display'];
	var model_value = window[this_type+'_model_value'];

    if(thisdropdown){
		thisdropdown.length = 0;
        for(index=0; index<model_display[this_make].length; index++)	{
			thisdropdown[index] = new Option(model_display[this_make][index],model_value[this_make][index]);
		}
	}
}