var PreviousTabID = "top_sellers";
var SelectedTabID = "top_sellers";

function ToggleDiv(ID)
 {
  document.getElementById(ID).style.display = (document.getElementById(ID).style.display == 'none')?'inline':'none';
 }
 
function HideDiv(ID)
 {
  document.getElementById(ID).style.display = 'none';
 }
 
function ShowDiv(ID)
 {
  document.getElementById(ID).style.display = 'inline';
 }
 
function TogglePlus(MainCategoryID)
 {
  var status = document.getElementById("MainCategory" + MainCategoryID + "PlusStatus").value == '1';
  
  document.getElementById("MainCategory" + MainCategoryID + "Plus").src = (status == 1) ? "images/toggle_sign/minus.gif":"images/toggle_sign/plus.gif";
  document.getElementById("MainCategory" + MainCategoryID + "PlusStatus").value = (status == 1) ? '0':'1';

  document.getElementById("MainCategoryTableRow" + MainCategoryID).className = (status == 1) ? "selectedMenuBg":"rolloverMenuBg";
 } 

// Left menu functionality 1
///*
function ToggleMainCategory(MainCategoryID)
 {
  ToggleDiv("SubCategory" + MainCategoryID);
  TogglePlus(MainCategoryID);
 }
//*/

// Left menu functionality 2
///*
function ToggleMainCategory2(MainCategoryID)
 {
  for(counter = 1; counter <= 5; counter++)
   {
	if(counter == MainCategoryID)
	 {
      document.getElementById("SubCategory" + MainCategoryID).style.display = 'inline';		 

      // Manipulating Plus Sign
      document.getElementById("MainCategory" + MainCategoryID + "Plus").src = "images/toggle_sign/minus.gif";
      document.getElementById("MainCategory" + MainCategoryID + "PlusStatus").value = '1';
      document.getElementById("MainCategoryTableRow" + MainCategoryID).className = "selectedMenuBg";
	 }
	else
	 {
	  strCounter = counter + '';
	  
      document.getElementById("SubCategory" + strCounter).style.display = 'none';		 
	  
      // Manipulating Plus Sign
      document.getElementById("MainCategory" + strCounter + "Plus").src = "images/toggle_sign/plus.gif";
      document.getElementById("MainCategory" + strCounter + "PlusStatus").value = '0';
      document.getElementById("MainCategoryTableRow" + strCounter).className = "rolloverMenuBg";
	 }
   }
 }
//*/

function SwitchResultsTab(ID)
 { 
  if(ID != PreviousTabID)
   {
    // Close previously selected Tab
    document.getElementById("selected_" + PreviousTabID).className = "Hidden";
    document.getElementById("un_selected_" + PreviousTabID).className = "Visible";
  
    PreviousTabID = SelectedTabID = ID;
   }

  // Open currently selected Tab
  document.getElementById("selected_" + ID).className = "Visible";
  document.getElementById("un_selected_" + ID).className = "Hidden";

  LoadSearchResults();
 }

function LoadSearchResults() 
 {
  document.getElementById("SearchResults").src = "results.php?selected_tab=" + SelectedTabID + "&sub_category_ids=" + GetSubCategories();	 
 }
 
function ShutLastResultsTab()
 { 
  // Close previously selected Tab
  document.getElementById("selected_" + PreviousTabID).className = "Hidden";
  document.getElementById("un_selected_" + PreviousTabID).className = "Visible";
 }
 
function OpenLastResultsTab()
 { 
  // Close previously selected Tab
  document.getElementById("selected_" + PreviousTabID).className = "Visible";
  document.getElementById("un_selected_" + PreviousTabID).className = "Hidden";
 } 
 
function ClickUnClickSubCategory(ID)
 {
  if(CheckSubCategoryAvailability(ID) == false)
   document.getElementById("SubCategoryRow" + ID).className='grid1Over';
  else
   document.getElementById("SubCategoryRow" + ID).className='grid1'; 
 }