function updateModifyType(){

	var makeField = "selectVehicleMake";
	var yearField = "selectVehicleYear";
	var modelField = "selectVehicleModel";
	var mountField = "selectVehicleMount";
	
	var modifyType = document.getElementById("modifyType");
	
	if(modifyType.checked){
		document.getElementById(mountField).disabled = false;
		document.getElementById(makeField).disabled = false;
		document.getElementById(yearField).disabled = false;
		document.getElementById(modelField).disabled = false;
	}else{
		document.getElementById(mountField).disabled = true;
		document.getElementById(makeField).disabled = true;
		document.getElementById(yearField).disabled = true;
		document.getElementById(modelField).disabled = true;
	}

	
}

function getYears(){

	var makeField = "selectVehicleMake";
	var yearField = "selectVehicleYear";
	var modelField = "selectVehicleModel";
	var mountField = "selectVehicleMount";

	// create logging function
	var myOnLog = function(msg){
	}
	
	// create completion function
	var myOnComplete = function(responseText, responseXML){

		//document.getElementById('outputText').value = responseText;
		var modelNodes = responseXML.getElementsByTagName('vehicle-year');
		var modelNode = '';
		var formObject = document.getElementById(yearField);
		
		var i = 0;
		var formOption= '';
		var yearName = '';
		var yearValue = '';
			
		//remove the make
		document.getElementById(makeField).options.length=0;
		
		//go through and add all the current makes
		formObject.options.length=0;
		formObject.options.length=modelNodes.length;
		for(i=0;i<modelNodes.length;i++){
			modelNode = modelNodes[i];
			yearName = modelNode.getElementsByTagName('year')[0].firstChild.nodeValue;
			yearValue = modelNode.getElementsByTagName('id')[0].firstChild.nodeValue;
			formOption = new Option(yearName,yearValue);
			formObject.options[i] = formOption;
		}
		
		//refresh the models
		getMakes();
		
		
	}

	// create provider instance; wire events
	var provider = new oyXMLRPCProvider();
	provider.onComplete = myOnComplete;
	provider.onLog = myOnLog;
	provider.onError = myOnLog;

	var mountid = document.getElementById(mountField).options[document.getElementById(mountField).selectedIndex].value;

	provider.submit("index.cfm?event=yearxml&mount=" + mountid);
}

function getMakes(){
	var makeField = "selectVehicleMake";
	var yearField = "selectVehicleYear";
	var modelField = "selectVehicleModel";
	var mountField = "selectVehicleMount";

	// create logging function
	var myOnLog = function(msg){
	}
	
	// create completion function
	var myOnComplete = function(responseText, responseXML){

		//document.getElementById('outputText').value = responseText;
		var modelNodes = responseXML.getElementsByTagName('vehicle-make');
		var modelNode = '';
		var formObject = document.getElementById(makeField);
		
		var i = 0;
		var formOption= '';
		var makeName = '';
		var makeValue = '';
			
		//remove the model
		document.getElementById(modelField).options.length=0;
		
		//go through and add all the current makes
		formObject.options.length=0;
		formObject.options.length=modelNodes.length;						
		for(i=0;i<modelNodes.length;i++){
			modelNode = modelNodes[i];
			makeName = modelNode.getElementsByTagName('make')[0].firstChild.nodeValue;
			makeValue = modelNode.getElementsByTagName('id')[0].firstChild.nodeValue;				
			formOption = new Option(makeName,makeValue);
			formObject.options[i] = formOption;
		}
		
		//refresh the models
		getModels();
		
		
	}

	// create provider instance; wire events
	var provider = new oyXMLRPCProvider();
	provider.onComplete = myOnComplete;
	provider.onLog = myOnLog;
	provider.onError = myOnLog;

	var yearId = document.getElementById(yearField).options[document.getElementById(yearField).selectedIndex].value;
	var mountid = document.getElementById(mountField).options[document.getElementById(mountField).selectedIndex].value;
	provider.submit("index.cfm?event=makexml&year=" + yearId + "&mount=" + mountid);
}

function getModels(){

	var makeField = "selectVehicleMake";
	var yearField = "selectVehicleYear";
	var modelField = "selectVehicleModel";
	var styleField = "selectVehicleStyle";
	var mountField = "selectVehicleMount";

	// create logging function
	var myOnLog = function(msg){
	}
	
	// create completion function
	var myOnComplete = function(responseText, responseXML){

		//document.getElementById('outputText').value = responseText;
		var modelNodes = responseXML.getElementsByTagName('model');
		var modelNode = '';
		var formObject = document.getElementById(modelField);
		
		var i = 0;
		var formOption= '';
		var modelName = '';
		var modelValue = '';
			
		//remove the model
		//document.getElementById(styleField).options.length=0;
		
		//go through and add all the current models
		formObject.options.length=0;
		formObject.options.length=modelNodes.length;
		for(i=0;i<modelNodes.length;i++){
			modelNode = modelNodes[i];
			modelName = modelNode.getElementsByTagName('name')[0].firstChild.nodeValue;
			modelValue = modelNode.getElementsByTagName('id')[0].firstChild.nodeValue;
			formOption = new Option(modelName,modelValue);
			formObject.options[i] = formOption;
		}
		
		//refresh the models
		getStyles();
		
		
	}

	// create provider instance; wire events
	var provider = new oyXMLRPCProvider();
	provider.onComplete = myOnComplete;
	provider.onLog = myOnLog;
	provider.onError = myOnLog;

	var yearId = document.getElementById(yearField).options[document.getElementById(yearField).selectedIndex].value;
	var makeId = document.getElementById(makeField).options[document.getElementById(makeField).selectedIndex].value;
	var mountid = document.getElementById(mountField).options[document.getElementById(mountField).selectedIndex].value;
	
	provider.submit("index.cfm?event=modelxml&year=" + yearId + "&make=" + makeId + "&mount=" + mountid);
}

function getStyles(){
	
	var makeField = "selectVehicleMake";
	var yearField = "selectVehicleYear";
	var modelField = "selectVehicleModel";
	var styleField = "selectVehicleStyle";
	var mountField = "selectVehicleMount";
	
	// create logging function
	var myOnLog = function(msg){
	}

	// create completion function
	var myOnComplete = function(responseText, responseXML){
		var vehicleTypeNodes = responseXML.getElementsByTagName('vehicle-style');
		var vehicleTypeNode = '';
		var formObject = document.getElementById(styleField);
		
		var i = 0;
		var formOption= '';
		var vehicleTypeModel = '';
		var vehicleTypeValue = '';
		
		
		//go through and add all the yearsresponseXML
		formObject.options.length=0;
		formObject.options.length=vehicleTypeNodes.length;						
		for(i=0;i<vehicleTypeNodes.length;i++){
			vehicleTypeNode = vehicleTypeNodes[i];
			vehicleTypeModel = vehicleTypeNode.getElementsByTagName('vstyle')[0].firstChild.nodeValue;					
			vehicleTypeValue = vehicleTypeNode.getElementsByTagName('id')[0].firstChild.nodeValue;				
			formOption = new Option(vehicleTypeModel,vehicleTypeValue);
			formObject.options[i] = formOption;
		}
		
		
		
	}


	// create provider instance; wire events
	var provider = new oyXMLRPCProvider();
	provider.onComplete = myOnComplete;
	provider.onLog = myOnLog;
	provider.onError = myOnLog;
	
	var yearId = document.getElementById(yearField).options[document.getElementById(yearField).selectedIndex].value;
	var makeId = document.getElementById(makeField).options[document.getElementById(makeField).selectedIndex].value;
	var modelId = document.getElementById(modelField).options[document.getElementById(modelField).selectedIndex].value;
	var mountid = document.getElementById(mountField).options[document.getElementById(mountField).selectedIndex].value;
	provider.submit("index.cfm?event=stylexml&year=" + yearId + "&make=" + makeId + "&model=" + modelId + "&mount=" + mountid);
	
}