//hides a section
function hideSpan(name){
	if(document.getElementById(name) != null){
		document.getElementById(name).style.display = 'none';
	}
}
//displays a section
function showSpan(name){
	if(document.getElementById(name) != null){
		document.getElementById(name).style.display = 'block';
	}
}


function selectedUsed(){
	hideSpan('new_make');
	hideSpan('new_model');
	hideSpan('new_year');
	showSpan('used_make');
	showSpan('used_model');
	showSpan('used_year');
	showSpan('used_mileage');
	showSpan('used_type');
	showSpan('used_price');
}

function selectedNew(){

	hideSpan('used_make');
	hideSpan('used_model');
	hideSpan('used_year');
	hideSpan('used_mileage');
	hideSpan('used_type');
	hideSpan('used_price');
	showSpan('new_make');
	showSpan('new_model');
	showSpan('new_year');
}