// BUILD ARRAYS

var YearArray   = new Array();
var MakeArray   = new Array();
var ModelArray  = new Array();
var TrimArray   = new Array();
var yearfound 	= false;
var makefound 	= false;
var modelfound 	= false;
var trimfound 	= false;

		

function ClearList(OptionList, TitleName, disable)
{		OptionList.length =	0;
		OptionList.options[0] =	new Option(TitleName, '', true, true);
		OptionList.disabled = disable;
}			

function LoadYears()
{	    
	var yearopt=0; 
	var LastAdd="";
	//alert(document.forms['veh_submit'].ModelYear.value);
	for (var i=0; i<YearArray.length; i++) {
	     if (YearArray[i]!= LastAdd) {
	         yearopt++;
	         document.forms['veh_selection'].ModelYear.options[yearopt] = new Option(YearArray[i],YearArray[i]);
	         if (document.forms['veh_selection'].ModelYear.options[yearopt].value == document.forms['veh_submit'].ModelYear.value) {
		         document.forms['veh_selection'].ModelYear.options[yearopt].selected = 1;
		         yearfound = true;
	         }
	         LastAdd=YearArray[i];
	     }
	}
}			

function LoadMakes()
{	    
	var makeopt=0; 
	makefound = false;
	var LastAdd="";
	//alert(MakeArray.length);
	for (var i=0; i<MakeArray.length; i++) {
		//alert(MakeArray[i]);
	    if (MakeArray[i]!= LastAdd) {
	        makeopt++;
	        document.forms['veh_selection'].Make.options[makeopt] = new Option(MakeArray[i],MakeArray[i]);
	        if (document.forms['veh_selection'].Make.options[makeopt].value == document.forms['veh_submit'].Make.value) {
		        document.forms['veh_selection'].Make.options[makeopt].selected = 1;
				makefound = true;
			}	        
	        LastAdd=MakeArray[i]
		}
	}
}									

function LoadModels()
{
	var modelopt=0; 
	modelfound = false;	
	//alert(document.forms['veh_submit'].Model.value);  
	for (var i=0; i<ModelArray.length; i++) {
       	modelopt++;
		document.forms['veh_selection'].Model.options[modelopt] = new Option(ModelArray[i],ModelArray[i]);
		if (document.forms['veh_selection'].Model.options[modelopt].value == document.forms['veh_submit'].Model.value) {
			document.forms['veh_selection'].Model.options[modelopt].selected = 1;
			modelfound = true;
		}
    }
}

function LoadTrims()
{
	var trimopt=0; 	    
	trimfound = false;
	//alert(document.forms['veh_submit'].Trim.value);
	for (var i=0; i<TrimArray.length; i++) {
       	trimopt++;
		document.forms['veh_selection'].Trim.options[trimopt] = new Option(TrimArray[i],TrimArray[i]);
		if (document.forms['veh_selection'].Trim.options[trimopt].value == document.forms['veh_submit'].Trim.value) {
			document.forms['veh_selection'].Trim.options[trimopt].selected = 1;
			trimfound = true;
		}
    }
}

function ChangeYears()
{
 	ClearList(document.forms['veh_selection'].ModelYear, 'Select a Year',0);
	ClearList(document.forms['veh_selection'].Make, 'Select a Year First ',1);
 	ClearList(document.forms['veh_selection'].Model, 'Select a Year First',1);
 	ClearList(document.forms['veh_selection'].Trim, 'Select a Year First',1);
	LoadYears();
	if (yearfound) {updateVehicleList('year');	}
}
function ChangeMakes()
{
	ClearList(document.forms['veh_selection'].Make, 'Select a Make',0);
 	ClearList(document.forms['veh_selection'].Model, 'Select a Make First',1);
 	ClearList(document.forms['veh_selection'].Trim, 'Select a Make First',1);
	LoadMakes();
	if (makefound) updateVehicleList('make');
}
function ChangeModels()
{
 	ClearList(document.forms['veh_selection'].Model, 'Select a Model',0);
 	ClearList(document.forms['veh_selection'].Trim, 'Select a Model First',1);
	LoadModels();	
	if (modelfound) updateVehicleList('model');   
}
function ChangeTrims()
{
 	ClearList(document.forms['veh_selection'].Trim, 'Select a Style',0);
	LoadTrims();	   
	if (trimfound) updateVehicleList('trim');  
}		

function CheckVehicle()
{
	if (document.forms['veh_selection'].Model.options[document.forms['veh_selection'].Model.selectedIndex].text == 'Select a Year First' | document.forms['veh_selection'].Model.options[document.forms['veh_selection'].Model.selectedIndex].text == 'Select a Make First' | document.forms['veh_selection'].Model.options[document.forms['veh_selection'].Model.selectedIndex].text == 'Select a Model') {alert('Please select a year, make and model to continue.');return false;} else {return true;}
}		

function getReturnData( data , statusCode ) {
	//alert(data);
	eval(data);
	document.body.style.cursor = 'default';
 	if( statusCode != AJForm.STATUS['SUCCESS'] ) {
 	 	//AJFORM failed. Submit form normally.
	 	return true;
 	}
}

function updateVehicleList(val) {
	document.body.style.cursor = 'wait';
	document.forms['veh_selection'].changed.value = val;
	var post_params = $("#veh_selection").serialize() 

	//AJForm.submitForm( document.forms['veh_selection'] , getReturnData );
    $.ajax({
      type: 'POST',
      url: 'ajax_veh_selection_v2.php',
      data: post_params,
      success: function(data) {data},
      error: function(xhr, textStatus, errorThrown){
          console.log('request failed: ' + textStatus + ' | ' + errorThrown + " | " + post_params);
      },
      dataType:"script"
    });

}