function changevehcare() {
	var vehArray = new Array("default","ats");
	var vehForm = document.getElementById("vehcareForm");
	var vehId = vehForm.vehcare.options[vehForm.vehcare.selectedIndex].value;
	for (var i = 0; i < vehArray.length; i++) {
		document.getElementById(vehArray[i]).style.display = "none";
	}
	document.getElementById(vehId).style.display = "block";
}