function fillChildsFFC(form,name1,name2,allchilds,allparents) {
	emptySelectBox(form, name1, allchilds);
	var start = 1;
	var name2Length = document[form][name2].length;
	if (allparents == false) {
		start = 0;
	}
	var selectedvalue = 0;
	for (var i=start;i<name2Length;i++) { // loop through make dropdown to determine selected make
	
		if (document[form][name2][i].selected) {
			selectedMake = document[form][name2][i].value;
			// loop through data to get model names
			for(var j=0;j<car_makes_and_models.length;j++) {
				if(car_makes_and_models[j]['make'] == selectedMake) {
					document[form].elements[name1].options[0] = new Option('All');
					for(var k=0;k<car_makes_and_models[j]['models'].length;k++) {
						document[form].elements[name1].options[k+1] = new Option(car_makes_and_models[j]['models'][k]);
					}
				}
			}
		}
	}
}