function changevehcare() {
	var divArray = new Array("default","gasline","carb_tuneup","fuel","cooling","corrosion","general");
	var vehForm = document.getElementById("vehcareForm");
	var divId = vehForm.vehcare.options[vehForm.vehcare.selectedIndex].value;
	for (var i = 0; i < divArray.length; i++) {
		document.getElementById(divArray[i]).style.display = "none";
	}
	document.getElementById(divId).style.display = "block";
}