/************************************************
BEGIN: Save/Retrieve Search Terms And Populate Search Form
************************************************/
var saveUtility = null;
var isSaveUtilityLoaded = false;

/**
* Saves the users search input.  This should be done onsubmit of the search form.  Pass in the value
* the user entered into the search input field.
*/
function saveSearchInput(searchValue)
{
   try
   {
      var searchTermsTmp = document.forms.NavPartSearchForm.searchTerms.value;
      if(isSaveUtilityLoaded && searchTermsTmp != null && searchTermsTmp != "")
      {
          saveUtility.searchTerms = searchTermsTmp;
          saveUtility.save(1);  // how long to save the value (in days)
      }
  }
  catch(ex)
  {
  }
}

/**
* Initializes the save utility object.  This function should be called on document.onload (or window.onload).
* Calls saveUtilityLoaded when/if the save utility is successfully loaded.
*/
function initializeSaveUtility()
{
  try
  {
      saveUtility = new PObject("partSearchForm", {searchTerms:"Keyword or Part#"}, saveUtilityLoaded);
   }
   catch(ex)
   {
       // allow to continue.  Ignore exception.
   }
}

/**
* Signifies that the save utility is loaded and ready to be used for reading stored values and for saving values.
* This function populates the search form in the header of the website for each page.  Called by the
* initializeSaveUtility() function.
*/
function saveUtilityLoaded()
{
   try
   {
       isSaveUtilityLoaded = true;
       var objFormSearchField = document.forms["NavPartSearchForm"].searchTerms;
       populateSearchForm(objFormSearchField);
   }
   catch(ex)
   {
       // ignore exception.
   }
}

/**
* Populates the search form's search terms based on the saved value in the save utility. Called by saveUtilityLoaded function.
*/
function populateSearchForm(objSearchField)
{
   try
   {
       if(isSaveUtilityLoaded && objSearchField != null && objSearchField.value !== undefined)
           objSearchField.value = retrieveSavedSearchInput();
   }
   catch(ex)
   {
       // ignore
   }
}

/**
* Retrieves the saved search input from the save utility.
*/
function retrieveSavedSearchInput()
{
   try
   {
       if(isSaveUtilityLoaded)
       {
           return saveUtility.searchTerms;
       }
   }
   catch(ex)
   {
       // ignore, return default value at end of function.
   }

   return "Keyword or Part #";
}

try
{
   Handler.add(window, "load", initializeSaveUtility);
}
catch(ex)
{
   // ignore, attempt to force the initializeSaveUtility to load:
   try
   {
       initializeSaveUtility();
   }
   catch(ex)
   {
       // ignore.
   }
}

/************************************************
END: Save/Retrieve Search Terms And Populate Search Form
************************************************/