// Define required variables.
	var http = createRequestObject();  
   var ajaxaction = "";	
	var store = "";
	var selectedObjectName = "";
	var ajax_url = base_url + "index.php/ajax_flyv/";
	var inProgress = false;   
	var previous_item_id = "";

	function NoCache() {

		var currentDate = new Date();
		return currentDate.getDate() + '' + currentDate.getMonth() + '' + currentDate.getFullYear() + '' + currentDate.getHours() + '' + currentDate.getMinutes() + '' + currentDate.getSeconds() + '' + currentDate.getMilliseconds();
	}

   function handleResponse() 
   {
      if(http.readyState == 4)
      {
      	inProgress = false;
      	
      	hideRaceLoader();
         var response = http.responseText;
         
         if(response != "")
         {
         	if(response.substr(0,1) == "#")
         	{
         		alert("Warning: " + response.substr(1,response.length - 1));
				}
				else
				{
		         if(ajaxaction == "load_races")
		         {
		            handleLoadRaces(response);
		         }
		         else if(ajaxaction == "flyv_load_countries")
		         {
		            handleFlyVLoadCountries(response);
		         }
		         else if(ajaxaction == "flyv_load_races")
		         {
		            handleFlyVLoadRaces(response);
		         }	
		         else if(ajaxaction == "flyv_load_stages")
		         {
		            handleFlyVLoadStages(response);
		         }	
		         else if(ajaxaction == "flyv_add_stage")
		         {
		            handleFlyVAddStage(response);
		         }		
		         else if(ajaxaction == "flyv_delete_stage")
		         {
		            handleFlyVDeleteStage(response);
		         }	
		         else if(ajaxaction == "flyv_load_categories")
		         {
		            handleFlyVLoadCategories(response);
		         }	
		         else if(ajaxaction == "flyv_add_category")
		         {
		            handleFlyVAddCategory(response);
		         }		
		         else if(ajaxaction == "flyv_delete_category")
		         {
		            handleFlyVDeleteCategory(response);
		         }			         
		         else if(ajaxaction == "flyv_delete_stage_result")
		         {
		            handleFlyVDeleteStageResult(response);
		         }	
		         else if(ajaxaction == "flyv_delete_category_result")
		         {
		            handleFlyVDeleteCategoryResult(response);
		         }			         		         
		         else if(ajaxaction == "flyv_load_stage_results")
		         {
		            handleFlyVLoadStageResults(response);
		         }		
		         else if(ajaxaction == "flyv_add_stage_result")
		         {
		            handleFlyVAddStageResult(response);
		         }	
		         else if(ajaxaction == "flyv_load_category_results")
		         {
		            handleFlyVLoadCategoryResults(response);
		         }		
		         else if(ajaxaction == "flyv_add_category_result")
		         {
		            handleFlyVAddCategoryResult(response);
		         }			         	         		         			         	         		         	
		         else if(ajaxaction == "load_rider")
		         {
		            handleLoadRider(response);
		         }
		         else if(ajaxaction == "load_manager")
		         {
		            handleLoadManager(response);
		         }		         
		         else if(ajaxaction == "load_wallpaper_options")
		         {
		            handleLoadWallpaperOptions(response);
		         }	
		         else if(ajaxaction == "load_locations")
		         {
		         	handleLoadLocations(response);
					}		         		         	         		         		         			         		         								
					else
					{
						alert("Undefined action: " + ajaxaction);
					}
				}
			}	   
      }
   }
   
   function load_wallpaper_options(item_id)
   {
		if(inProgress)
			return;

		// Ensure the passed offset and has_raced values are valid whole numbers
		if(!isInteger(item_id))
			return;
			
		ajaxaction = "load_wallpaper_options";
		store = item_id;

		url = ajax_url + ajaxaction + "/" + item_id;
		
		sndReq(url, "");
	}
	
	function handleLoadWallpaperOptions(response)
	{
		$("#wallpaper_options").html(response);	
	}
   
	function load_race_results(has_raced, offset)
	{
		if(inProgress)
			return;

		// Ensure the passed offset and has_raced values are valid whole numbers
		if(!isInteger(offset))
			return;
			
		if(!isInteger(has_raced))
			return;		
			
		// Show the ajax loader window so the user knows something is happening.
		showRaceLoader();
		
		// Create the ajax request and send it
		ajaxaction = "load_races";
		store = has_raced;

		url = ajax_url + ajaxaction + "/" + has_raced + "/" + offset;
		
		sndReq(url, "");
	}   
   		
	
	// The handleAddToCart function is fired after an item has been successfully added to the cart.
	function handleLoadRaces(response)
	{
		if(response == "")
			return;
			
		elements = response.split("~");
		num_recs = elements[0];
		data_table = elements[1];
		
		$(".tabs li").each(function (index) {
			if(index != store)
				$(this).attr("class", "active");
			else
				$(this).attr("class", "void");
		});		
		
		if(store == 1)
		{
			$("#racedata_latest").css("display", "block");
			$("#racedata_latest").html(data_table);
			$("#racedata_upcoming").css("display", "none");
		}
		else
		{
			$("#racedata_upcoming").css("display", "block");
			$("#racedata_upcoming").html(data_table);
			$("#racedata_latest").css("display", "none");
		}
	}
	
	function load_coming_races(raceMonth, raceSite, raceYear)
	{
		if(inProgress)
			return;

		// Show the ajax loader window so the user knows something is happening.
		//showRaceLoader();
		
		// Create the ajax request and send it
		ajaxaction = "load_coming_races";

		url = ajax_url + ajaxaction + "/" + raceMonth + "/" + raceSite + "/" + raceYear + "/" + NoCache();
		if (raceSite == "aus")
			$('#divComingRaceAus').load(url);
		else
			$('#divComingRaceUs').load(url);
		
//		switch (raceMonth)
//		{
//			case 'January':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus1').focus();
//				else
//					$('#raceCalLnkUs1').focus();
//				break;
//			case 'February':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus2').focus();
//				else
//					$('#raceCalLnkUs2').focus();
//				break;
//			case 'March':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus3').focus();
//				else
//					$('#raceCalLnkUs3').focus();
//				break;
//			case 'April':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus4').focus();
//				else
//					$('#raceCalLnkUs4').focus();
//				break;
//			case 'May':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus5').focus();
//				else
//					$('#raceCalLnkUs5').focus();
//				break;
//			case 'Jun':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus6').focus();
//				else
//					$('#raceCalLnkUs6').focus();
//				break;
//			case 'July':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus7').focus();
//				else
//					$('#raceCalLnkUs7').focus();
//				break;
//			case 'August':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus8').focus();
//				else
//					$('#raceCalLnkUs8').focus();
//				break;
//			case 'September':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus9').focus();
//				else
//					$('#raceCalLnkUs9').focus();
//				break;
//			case 'October':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus10').focus();
//				else
//					$('#raceCalLnkUs10').focus();
//				break;
//			case 'November':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus11').focus();
//				else
//					$('#raceCalLnkUs11').focus();
//				break;
//			case 'December':
//				if (raceSite == 'aus')
//					$('#raceCalLnkAus12').focus();
//				else
//					$('#raceCalLnkUs12').focus();

//		}
		//sndReq(url, "");

	}
	
	function load_race_results_by_year(year)
	{
		ajaxaction = "load_race_results";
		url = ajax_url + ajaxaction + "/" + year + "/" + NoCache();
		var objLoader = document.getElementById('ajax-loader-races1')
		if (objLoader)
			objLoader.style.display = "block";
		var obj = document.getElementById('race-results');
		obj.style.display = "none";
		$.get(url, {}, function(data) { 
							if (objLoader)
								objLoader.style.display = "none";
							obj.style.display = "block";
							$('#race-results').html(data);
							showTab($('#currentTabNumber').val(), year);
							});
	}

	function load_location_race_results(nLocationId, sCountry)
	{
		ajaxaction = "load_location_race_results";
		url = ajax_url + ajaxaction + "/" + nLocationId + "/" + NoCache();
		if (sCountry == 'aus')
			$.get(url, {}, function(data) { $('#liAusRaceResults').html(data); showRaceLocationTab(0); });
		else
			$.get(url, {}, function(data) { $('#liUSARaceResults').html(data); showRaceLocationTab(0); });		
	}

	function load_stage_riders_list(nStage, nRaceId)
	{
		showRaceLoader();
		if ($('#tblStageRiderList').length)
			$('#tblStageRiderList').hide();
		ajaxaction = "load_location_race_stage_riders_list";
		url = ajax_url + ajaxaction + "/" + nStage + "/" + nRaceId + "/" + NoCache();
		$.get(url, {}, function(data) { hideRaceLoader(); 	if ($('#tblStageRiderList').length) { $('#tblStageRiderList').show(); } $('#liStages').html(data); });
	}

	// Utility Functions
	function isNumeric(sText)
	{
	   var ValidChars = "0123456789.";
	   var IsNumber=true;
	   var Char;

	   for (i = 0; i < sText.length && IsNumber == true; i++) 
	   { 
	      Char = sText.charAt(i); 
	      if (ValidChars.indexOf(Char) == -1) 
	      {
	         IsNumber = false;
	      }
	   }
	   
	   return IsNumber; 
	}
	
	function isInteger(sText)
	{
	   var ValidChars = "0123456789";
	   var IsNumber=true;
	   var Char;

	   for (i = 0; i < sText.length && IsNumber == true; i++) 
	   { 
	      Char = sText.charAt(i); 
	      if (ValidChars.indexOf(Char) == -1) 
	      {
	         IsNumber = false;
	      }
	   }
	   
	   return IsNumber; 
	}
	
	function mouseX(evt) 
	{
		if (evt.pageX) return evt.pageX;
		else if (evt.clientX)
		   return evt.clientX + (document.documentElement.scrollLeft ?
		   document.documentElement.scrollLeft :
		   document.body.scrollLeft);
		else return null;
	}
	
	function mouseY(evt) 
	{
		if (evt.pageY) return evt.pageY;
		else if (evt.clientY)
		   return evt.clientY + (document.documentElement.scrollTop ?
		   document.documentElement.scrollTop :
		   document.body.scrollTop);
		else return null;
	}
	
   function createRequestObject() 
   {
       var ro;
       var browser = navigator.appName;
       
       if(browser == "Microsoft Internet Explorer")
       {
           ro = new ActiveXObject("Microsoft.XMLHTTP");
       }
       else
       {
           ro = new XMLHttpRequest();
       }
       
       return ro;
   }

   function sndReq(url, params) 
   {
   	http.open('POST', url, true);
   	http.onreadystatechange = handleResponse;
		http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		http.setRequestHeader("Content-length", params.length);
		http.setRequestHeader("Connection", "close");       
      http.send(params);

		inProgress = true;  
   }
   
   function showRaceLoader()
   {
   	var objLoader = document.getElementById("ajax-loader-races");
   	if(!objLoader)
   		return;

   	objLoader.style.display = "block";     		
	}
	
   function hideRaceLoader()
   {
   	var objLoader = document.getElementById("ajax-loader-races");
   	if(!objLoader)
   		return;
   	
   	objLoader.style.display = "none";      		
	}