function addMake(val) {
	var found;
	found = false;
	for(var i=0; i<arrMake.length; i++){
		if(val==arrMake[i]) {
			found = true;
			break;
		}
	}
	if(!found) {
		arrMake.push(val);
	}

}

function populateModels(makeval) {
	dropdownModel.length=0;
	var modelvalue;
	var arrmodelvalue;

	for(var i=0; i<arrModel.length; i++){

		modelvalue=arrModel[i];
		arrmodelvalue=modelvalue.split('|');

		if (arrmodelvalue[0]==makeval) {
			dropdownModel.options[dropdownModel.length] = new Option(arrmodelvalue[1], arrmodelvalue[3]);
		}
	}

	document.getElementById('modeldetail').value = dropdownMake.options[dropdownMake.selectedIndex].text +' '+dropdownModel.options[0].text;
}

function updateModelDetail() {
	document.getElementById('modeldetail').value = dropdownMake.options[dropdownMake.selectedIndex].text +' '+dropdownModel.options[dropdownModel.selectedIndex].text;

}

function populateMakes() {

	for(var i=0; i<arrMake.length; i++){
		dropdownMake.options[dropdownMake.length] = new Option(arrMake[i], arrMake[i]);
	}

	populateModels(dropdownMake.options[0].value);

	updateModelDetail();

}

function addModel(val) {
	arrModel.push(val);
	//arrModel.sort();
}