universe@390: function convertToId(search)
universe@390: {
universe@390:   var result = '';
universe@390:   for (i=0;i<search.length;i++)
universe@390:   {
universe@390:     var c = search.charAt(i);
universe@390:     var cn = c.charCodeAt(0);
universe@390:     if (c.match(/[a-z0-9\u0080-\uFFFF]/))
universe@390:     {
universe@390:       result+=c;
universe@390:     }
universe@390:     else if (cn<16)
universe@390:     {
universe@390:       result+="_0"+cn.toString(16);
universe@390:     }
universe@390:     else
universe@390:     {
universe@390:       result+="_"+cn.toString(16);
universe@390:     }
universe@390:   }
universe@390:   return result;
universe@390: }
universe@390: 
universe@390: function getXPos(item)
universe@390: {
universe@390:   var x = 0;
universe@390:   if (item.offsetWidth)
universe@390:   {
universe@390:     while (item && item!=document.body)
universe@390:     {
universe@390:       x   += item.offsetLeft;
universe@390:       item = item.offsetParent;
universe@390:     }
universe@390:   }
universe@390:   return x;
universe@390: }
universe@390: 
universe@390: function getYPos(item)
universe@390: {
universe@390:   var y = 0;
universe@390:   if (item.offsetWidth)
universe@390:   {
universe@390:      while (item && item!=document.body)
universe@390:      {
universe@390:        y   += item.offsetTop;
universe@390:        item = item.offsetParent;
universe@390:      }
universe@390:   }
universe@390:   return y;
universe@390: }
universe@390: 
universe@390: /* A class handling everything associated with the search panel.
universe@390: 
universe@390:    Parameters:
universe@390:    name - The name of the global variable that will be
universe@390:           storing this instance.  Is needed to be able to set timeouts.
universe@390:    resultPath - path to use for external files
universe@390: */
universe@390: function SearchBox(name, resultsPath, inFrame, label)
universe@390: {
universe@390:   if (!name || !resultsPath) {  alert("Missing parameters to SearchBox."); }
universe@390: 
universe@390:   // ---------- Instance variables
universe@390:   this.name                  = name;
universe@390:   this.resultsPath           = resultsPath;
universe@390:   this.keyTimeout            = 0;
universe@390:   this.keyTimeoutLength      = 500;
universe@390:   this.closeSelectionTimeout = 300;
universe@390:   this.lastSearchValue       = "";
universe@390:   this.lastResultsPage       = "";
universe@390:   this.hideTimeout           = 0;
universe@390:   this.searchIndex           = 0;
universe@390:   this.searchActive          = false;
universe@390:   this.insideFrame           = inFrame;
universe@390:   this.searchLabel           = label;
universe@390: 
universe@390:   // ----------- DOM Elements
universe@390: 
universe@390:   this.DOMSearchField = function()
universe@390:   {  return document.getElementById("MSearchField");  }
universe@390: 
universe@390:   this.DOMSearchSelect = function()
universe@390:   {  return document.getElementById("MSearchSelect");  }
universe@390: 
universe@390:   this.DOMSearchSelectWindow = function()
universe@390:   {  return document.getElementById("MSearchSelectWindow");  }
universe@390: 
universe@390:   this.DOMPopupSearchResults = function()
universe@390:   {  return document.getElementById("MSearchResults");  }
universe@390: 
universe@390:   this.DOMPopupSearchResultsWindow = function()
universe@390:   {  return document.getElementById("MSearchResultsWindow");  }
universe@390: 
universe@390:   this.DOMSearchClose = function()
universe@390:   {  return document.getElementById("MSearchClose"); }
universe@390: 
universe@390:   this.DOMSearchBox = function()
universe@390:   {  return document.getElementById("MSearchBox");  }
universe@390: 
universe@390:   // ------------ Event Handlers
universe@390: 
universe@390:   // Called when focus is added or removed from the search field.
universe@390:   this.OnSearchFieldFocus = function(isActive)
universe@390:   {
universe@390:     this.Activate(isActive);
universe@390:   }
universe@390: 
universe@390:   this.OnSearchSelectShow = function()
universe@390:   {
universe@390:     var searchSelectWindow = this.DOMSearchSelectWindow();
universe@390:     var searchField        = this.DOMSearchSelect();
universe@390: 
universe@390:     if (this.insideFrame)
universe@390:     {
universe@390:       var left = getXPos(searchField);
universe@390:       var top  = getYPos(searchField);
universe@390:       left += searchField.offsetWidth + 6;
universe@390:       top += searchField.offsetHeight;
universe@390: 
universe@390:       // show search selection popup
universe@390:       searchSelectWindow.style.display='block';
universe@390:       left -= searchSelectWindow.offsetWidth;
universe@390:       searchSelectWindow.style.left =  left + 'px';
universe@390:       searchSelectWindow.style.top  =  top  + 'px';
universe@390:     }
universe@390:     else
universe@390:     {
universe@390:       var left = getXPos(searchField);
universe@390:       var top  = getYPos(searchField);
universe@390:       top += searchField.offsetHeight;
universe@390: 
universe@390:       // show search selection popup
universe@390:       searchSelectWindow.style.display='block';
universe@390:       searchSelectWindow.style.left =  left + 'px';
universe@390:       searchSelectWindow.style.top  =  top  + 'px';
universe@390:     }
universe@390: 
universe@390:     // stop selection hide timer
universe@390:     if (this.hideTimeout)
universe@390:     {
universe@390:       clearTimeout(this.hideTimeout);
universe@390:       this.hideTimeout=0;
universe@390:     }
universe@390:     return false; // to avoid "image drag" default event
universe@390:   }
universe@390: 
universe@390:   this.OnSearchSelectHide = function()
universe@390:   {
universe@390:     this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()",
universe@390:                                   this.closeSelectionTimeout);
universe@390:   }
universe@390: 
universe@390:   // Called when the content of the search field is changed.
universe@390:   this.OnSearchFieldChange = function(evt)
universe@390:   {
universe@390:     if (this.keyTimeout) // kill running timer
universe@390:     {
universe@390:       clearTimeout(this.keyTimeout);
universe@390:       this.keyTimeout = 0;
universe@390:     }
universe@390: 
universe@390:     var e  = (evt) ? evt : window.event; // for IE
universe@390:     if (e.keyCode==40 || e.keyCode==13)
universe@390:     {
universe@390:       if (e.shiftKey==1)
universe@390:       {
universe@390:         this.OnSearchSelectShow();
universe@390:         var win=this.DOMSearchSelectWindow();
universe@390:         for (i=0;i<win.childNodes.length;i++)
universe@390:         {
universe@390:           var child = win.childNodes[i]; // get span within a
universe@390:           if (child.className=='SelectItem')
universe@390:           {
universe@390:             child.focus();
universe@390:             return;
universe@390:           }
universe@390:         }
universe@390:         return;
universe@390:       }
universe@390:       else if (window.frames.MSearchResults.searchResults)
universe@390:       {
universe@390:         var elem = window.frames.MSearchResults.searchResults.NavNext(0);
universe@390:         if (elem) elem.focus();
universe@390:       }
universe@390:     }
universe@390:     else if (e.keyCode==27) // Escape out of the search field
universe@390:     {
universe@390:       this.DOMSearchField().blur();
universe@390:       this.DOMPopupSearchResultsWindow().style.display = 'none';
universe@390:       this.DOMSearchClose().style.display = 'none';
universe@390:       this.lastSearchValue = '';
universe@390:       this.Activate(false);
universe@390:       return;
universe@390:     }
universe@390: 
universe@390:     // strip whitespaces
universe@390:     var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
universe@390: 
universe@390:     if (searchValue != this.lastSearchValue) // search value has changed
universe@390:     {
universe@390:       if (searchValue != "") // non-empty search
universe@390:       {
universe@390:         // set timer for search update
universe@390:         this.keyTimeout = setTimeout(this.name + '.Search()',
universe@390:                                      this.keyTimeoutLength);
universe@390:       }
universe@390:       else // empty search field
universe@390:       {
universe@390:         this.DOMPopupSearchResultsWindow().style.display = 'none';
universe@390:         this.DOMSearchClose().style.display = 'none';
universe@390:         this.lastSearchValue = '';
universe@390:       }
universe@390:     }
universe@390:   }
universe@390: 
universe@390:   this.SelectItemCount = function(id)
universe@390:   {
universe@390:     var count=0;
universe@390:     var win=this.DOMSearchSelectWindow();
universe@390:     for (i=0;i<win.childNodes.length;i++)
universe@390:     {
universe@390:       var child = win.childNodes[i]; // get span within a
universe@390:       if (child.className=='SelectItem')
universe@390:       {
universe@390:         count++;
universe@390:       }
universe@390:     }
universe@390:     return count;
universe@390:   }
universe@390: 
universe@390:   this.SelectItemSet = function(id)
universe@390:   {
universe@390:     var i,j=0;
universe@390:     var win=this.DOMSearchSelectWindow();
universe@390:     for (i=0;i<win.childNodes.length;i++)
universe@390:     {
universe@390:       var child = win.childNodes[i]; // get span within a
universe@390:       if (child.className=='SelectItem')
universe@390:       {
universe@390:         var node = child.firstChild;
universe@390:         if (j==id)
universe@390:         {
universe@390:           node.innerHTML='&#8226;';
universe@390:         }
universe@390:         else
universe@390:         {
universe@390:           node.innerHTML='&#160;';
universe@390:         }
universe@390:         j++;
universe@390:       }
universe@390:     }
universe@390:   }
universe@390: 
universe@390:   // Called when an search filter selection is made.
universe@390:   // set item with index id as the active item
universe@390:   this.OnSelectItem = function(id)
universe@390:   {
universe@390:     this.searchIndex = id;
universe@390:     this.SelectItemSet(id);
universe@390:     var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
universe@390:     if (searchValue!="" && this.searchActive) // something was found -> do a search
universe@390:     {
universe@390:       this.Search();
universe@390:     }
universe@390:   }
universe@390: 
universe@390:   this.OnSearchSelectKey = function(evt)
universe@390:   {
universe@390:     var e = (evt) ? evt : window.event; // for IE
universe@390:     if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down
universe@390:     {
universe@390:       this.searchIndex++;
universe@390:       this.OnSelectItem(this.searchIndex);
universe@390:     }
universe@390:     else if (e.keyCode==38 && this.searchIndex>0) // Up
universe@390:     {
universe@390:       this.searchIndex--;
universe@390:       this.OnSelectItem(this.searchIndex);
universe@390:     }
universe@390:     else if (e.keyCode==13 || e.keyCode==27)
universe@390:     {
universe@390:       this.OnSelectItem(this.searchIndex);
universe@390:       this.CloseSelectionWindow();
universe@390:       this.DOMSearchField().focus();
universe@390:     }
universe@390:     return false;
universe@390:   }
universe@390: 
universe@390:   // --------- Actions
universe@390: 
universe@390:   // Closes the results window.
universe@390:   this.CloseResultsWindow = function()
universe@390:   {
universe@390:     this.DOMPopupSearchResultsWindow().style.display = 'none';
universe@390:     this.DOMSearchClose().style.display = 'none';
universe@390:     this.Activate(false);
universe@390:   }
universe@390: 
universe@390:   this.CloseSelectionWindow = function()
universe@390:   {
universe@390:     this.DOMSearchSelectWindow().style.display = 'none';
universe@390:   }
universe@390: 
universe@390:   // Performs a search.
universe@390:   this.Search = function()
universe@390:   {
universe@390:     this.keyTimeout = 0;
universe@390: 
universe@390:     // strip leading whitespace
universe@390:     var searchValue = this.DOMSearchField().value.replace(/^ +/, "");
universe@390: 
universe@390:     var code = searchValue.toLowerCase().charCodeAt(0);
universe@390:     var idxChar = searchValue.substr(0, 1).toLowerCase();
universe@390:     if ( 0xD800 <= code && code <= 0xDBFF && searchValue > 1) // surrogate pair
universe@390:     {
universe@390:       idxChar = searchValue.substr(0, 2);
universe@390:     }
universe@390: 
universe@390:     var resultsPage;
universe@390:     var resultsPageWithSearch;
universe@390:     var hasResultsPage;
universe@390: 
universe@390:     var idx = indexSectionsWithContent[this.searchIndex].indexOf(idxChar);
universe@390:     if (idx!=-1)
universe@390:     {
universe@390:        var hexCode=idx.toString(16);
universe@390:        resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html';
universe@390:        resultsPageWithSearch = resultsPage+'?'+escape(searchValue);
universe@390:        hasResultsPage = true;
universe@390:     }
universe@390:     else // nothing available for this search term
universe@390:     {
universe@390:        resultsPage = this.resultsPath + '/nomatches.html';
universe@390:        resultsPageWithSearch = resultsPage;
universe@390:        hasResultsPage = false;
universe@390:     }
universe@390: 
universe@390:     window.frames.MSearchResults.location = resultsPageWithSearch;
universe@390:     var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow();
universe@390: 
universe@390:     if (domPopupSearchResultsWindow.style.display!='block')
universe@390:     {
universe@390:        var domSearchBox = this.DOMSearchBox();
universe@390:        this.DOMSearchClose().style.display = 'inline';
universe@390:        if (this.insideFrame)
universe@390:        {
universe@390:          var domPopupSearchResults = this.DOMPopupSearchResults();
universe@390:          domPopupSearchResultsWindow.style.position = 'relative';
universe@390:          domPopupSearchResultsWindow.style.display  = 'block';
universe@390:          var width = document.body.clientWidth - 8; // the -8 is for IE :-(
universe@390:          domPopupSearchResultsWindow.style.width    = width + 'px';
universe@390:          domPopupSearchResults.style.width          = width + 'px';
universe@390:        }
universe@390:        else
universe@390:        {
universe@390:          var domPopupSearchResults = this.DOMPopupSearchResults();
universe@390:          var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth;
universe@390:          var top  = getYPos(domSearchBox) + 20;  // domSearchBox.offsetHeight + 1;
universe@390:          domPopupSearchResultsWindow.style.display = 'block';
universe@390:          left -= domPopupSearchResults.offsetWidth;
universe@390:          domPopupSearchResultsWindow.style.top     = top  + 'px';
universe@390:          domPopupSearchResultsWindow.style.left    = left + 'px';
universe@390:        }
universe@390:     }
universe@390: 
universe@390:     this.lastSearchValue = searchValue;
universe@390:     this.lastResultsPage = resultsPage;
universe@390:   }
universe@390: 
universe@390:   // -------- Activation Functions
universe@390: 
universe@390:   // Activates or deactivates the search panel, resetting things to
universe@390:   // their default values if necessary.
universe@390:   this.Activate = function(isActive)
universe@390:   {
universe@390:     if (isActive || // open it
universe@390:         this.DOMPopupSearchResultsWindow().style.display == 'block'
universe@390:        )
universe@390:     {
universe@390:       this.DOMSearchBox().className = 'MSearchBoxActive';
universe@390: 
universe@390:       var searchField = this.DOMSearchField();
universe@390: 
universe@390:       if (searchField.value == this.searchLabel) // clear "Search" term upon entry
universe@390:       {
universe@390:         searchField.value = '';
universe@390:         this.searchActive = true;
universe@390:       }
universe@390:     }
universe@390:     else if (!isActive) // directly remove the panel
universe@390:     {
universe@390:       this.DOMSearchBox().className = 'MSearchBoxInactive';
universe@390:       this.DOMSearchField().value   = this.searchLabel;
universe@390:       this.searchActive             = false;
universe@390:       this.lastSearchValue          = ''
universe@390:       this.lastResultsPage          = '';
universe@390:     }
universe@390:   }
universe@390: }
universe@390: 
universe@390: // -----------------------------------------------------------------------
universe@390: 
universe@390: // The class that handles everything on the search results page.
universe@390: function SearchResults(name)
universe@390: {
universe@390:     // The number of matches from the last run of <Search()>.
universe@390:     this.lastMatchCount = 0;
universe@390:     this.lastKey = 0;
universe@390:     this.repeatOn = false;
universe@390: 
universe@390:     // Toggles the visibility of the passed element ID.
universe@390:     this.FindChildElement = function(id)
universe@390:     {
universe@390:       var parentElement = document.getElementById(id);
universe@390:       var element = parentElement.firstChild;
universe@390: 
universe@390:       while (element && element!=parentElement)
universe@390:       {
universe@390:         if (element.nodeName == 'DIV' && element.className == 'SRChildren')
universe@390:         {
universe@390:           return element;
universe@390:         }
universe@390: 
universe@390:         if (element.nodeName == 'DIV' && element.hasChildNodes())
universe@390:         {
universe@390:            element = element.firstChild;
universe@390:         }
universe@390:         else if (element.nextSibling)
universe@390:         {
universe@390:            element = element.nextSibling;
universe@390:         }
universe@390:         else
universe@390:         {
universe@390:           do
universe@390:           {
universe@390:             element = element.parentNode;
universe@390:           }
universe@390:           while (element && element!=parentElement && !element.nextSibling);
universe@390: 
universe@390:           if (element && element!=parentElement)
universe@390:           {
universe@390:             element = element.nextSibling;
universe@390:           }
universe@390:         }
universe@390:       }
universe@390:     }
universe@390: 
universe@390:     this.Toggle = function(id)
universe@390:     {
universe@390:       var element = this.FindChildElement(id);
universe@390:       if (element)
universe@390:       {
universe@390:         if (element.style.display == 'block')
universe@390:         {
universe@390:           element.style.display = 'none';
universe@390:         }
universe@390:         else
universe@390:         {
universe@390:           element.style.display = 'block';
universe@390:         }
universe@390:       }
universe@390:     }
universe@390: 
universe@390:     // Searches for the passed string.  If there is no parameter,
universe@390:     // it takes it from the URL query.
universe@390:     //
universe@390:     // Always returns true, since other documents may try to call it
universe@390:     // and that may or may not be possible.
universe@390:     this.Search = function(search)
universe@390:     {
universe@390:       if (!search) // get search word from URL
universe@390:       {
universe@390:         search = window.location.search;
universe@390:         search = search.substring(1);  // Remove the leading '?'
universe@390:         search = unescape(search);
universe@390:       }
universe@390: 
universe@390:       search = search.replace(/^ +/, ""); // strip leading spaces
universe@390:       search = search.replace(/ +$/, ""); // strip trailing spaces
universe@390:       search = search.toLowerCase();
universe@390:       search = convertToId(search);
universe@390: 
universe@390:       var resultRows = document.getElementsByTagName("div");
universe@390:       var matches = 0;
universe@390: 
universe@390:       var i = 0;
universe@390:       while (i < resultRows.length)
universe@390:       {
universe@390:         var row = resultRows.item(i);
universe@390:         if (row.className == "SRResult")
universe@390:         {
universe@390:           var rowMatchName = row.id.toLowerCase();
universe@390:           rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_'
universe@390: 
universe@390:           if (search.length<=rowMatchName.length &&
universe@390:              rowMatchName.substr(0, search.length)==search)
universe@390:           {
universe@390:             row.style.display = 'block';
universe@390:             matches++;
universe@390:           }
universe@390:           else
universe@390:           {
universe@390:             row.style.display = 'none';
universe@390:           }
universe@390:         }
universe@390:         i++;
universe@390:       }
universe@390:       document.getElementById("Searching").style.display='none';
universe@390:       if (matches == 0) // no results
universe@390:       {
universe@390:         document.getElementById("NoMatches").style.display='block';
universe@390:       }
universe@390:       else // at least one result
universe@390:       {
universe@390:         document.getElementById("NoMatches").style.display='none';
universe@390:       }
universe@390:       this.lastMatchCount = matches;
universe@390:       return true;
universe@390:     }
universe@390: 
universe@390:     // return the first item with index index or higher that is visible
universe@390:     this.NavNext = function(index)
universe@390:     {
universe@390:       var focusItem;
universe@390:       while (1)
universe@390:       {
universe@390:         var focusName = 'Item'+index;
universe@390:         focusItem = document.getElementById(focusName);
universe@390:         if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
universe@390:         {
universe@390:           break;
universe@390:         }
universe@390:         else if (!focusItem) // last element
universe@390:         {
universe@390:           break;
universe@390:         }
universe@390:         focusItem=null;
universe@390:         index++;
universe@390:       }
universe@390:       return focusItem;
universe@390:     }
universe@390: 
universe@390:     this.NavPrev = function(index)
universe@390:     {
universe@390:       var focusItem;
universe@390:       while (1)
universe@390:       {
universe@390:         var focusName = 'Item'+index;
universe@390:         focusItem = document.getElementById(focusName);
universe@390:         if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
universe@390:         {
universe@390:           break;
universe@390:         }
universe@390:         else if (!focusItem) // last element
universe@390:         {
universe@390:           break;
universe@390:         }
universe@390:         focusItem=null;
universe@390:         index--;
universe@390:       }
universe@390:       return focusItem;
universe@390:     }
universe@390: 
universe@390:     this.ProcessKeys = function(e)
universe@390:     {
universe@390:       if (e.type == "keydown")
universe@390:       {
universe@390:         this.repeatOn = false;
universe@390:         this.lastKey = e.keyCode;
universe@390:       }
universe@390:       else if (e.type == "keypress")
universe@390:       {
universe@390:         if (!this.repeatOn)
universe@390:         {
universe@390:           if (this.lastKey) this.repeatOn = true;
universe@390:           return false; // ignore first keypress after keydown
universe@390:         }
universe@390:       }
universe@390:       else if (e.type == "keyup")
universe@390:       {
universe@390:         this.lastKey = 0;
universe@390:         this.repeatOn = false;
universe@390:       }
universe@390:       return this.lastKey!=0;
universe@390:     }
universe@390: 
universe@390:     this.Nav = function(evt,itemIndex)
universe@390:     {
universe@390:       var e  = (evt) ? evt : window.event; // for IE
universe@390:       if (e.keyCode==13) return true;
universe@390:       if (!this.ProcessKeys(e)) return false;
universe@390: 
universe@390:       if (this.lastKey==38) // Up
universe@390:       {
universe@390:         var newIndex = itemIndex-1;
universe@390:         var focusItem = this.NavPrev(newIndex);
universe@390:         if (focusItem)
universe@390:         {
universe@390:           var child = this.FindChildElement(focusItem.parentNode.parentNode.id);
universe@390:           if (child && child.style.display == 'block') // children visible
universe@390:           {
universe@390:             var n=0;
universe@390:             var tmpElem;
universe@390:             while (1) // search for last child
universe@390:             {
universe@390:               tmpElem = document.getElementById('Item'+newIndex+'_c'+n);
universe@390:               if (tmpElem)
universe@390:               {
universe@390:                 focusItem = tmpElem;
universe@390:               }
universe@390:               else // found it!
universe@390:               {
universe@390:                 break;
universe@390:               }
universe@390:               n++;
universe@390:             }
universe@390:           }
universe@390:         }
universe@390:         if (focusItem)
universe@390:         {
universe@390:           focusItem.focus();
universe@390:         }
universe@390:         else // return focus to search field
universe@390:         {
universe@390:            parent.document.getElementById("MSearchField").focus();
universe@390:         }
universe@390:       }
universe@390:       else if (this.lastKey==40) // Down
universe@390:       {
universe@390:         var newIndex = itemIndex+1;
universe@390:         var focusItem;
universe@390:         var item = document.getElementById('Item'+itemIndex);
universe@390:         var elem = this.FindChildElement(item.parentNode.parentNode.id);
universe@390:         if (elem && elem.style.display == 'block') // children visible
universe@390:         {
universe@390:           focusItem = document.getElementById('Item'+itemIndex+'_c0');
universe@390:         }
universe@390:         if (!focusItem) focusItem = this.NavNext(newIndex);
universe@390:         if (focusItem)  focusItem.focus();
universe@390:       }
universe@390:       else if (this.lastKey==39) // Right
universe@390:       {
universe@390:         var item = document.getElementById('Item'+itemIndex);
universe@390:         var elem = this.FindChildElement(item.parentNode.parentNode.id);
universe@390:         if (elem) elem.style.display = 'block';
universe@390:       }
universe@390:       else if (this.lastKey==37) // Left
universe@390:       {
universe@390:         var item = document.getElementById('Item'+itemIndex);
universe@390:         var elem = this.FindChildElement(item.parentNode.parentNode.id);
universe@390:         if (elem) elem.style.display = 'none';
universe@390:       }
universe@390:       else if (this.lastKey==27) // Escape
universe@390:       {
universe@390:         parent.searchBox.CloseResultsWindow();
universe@390:         parent.document.getElementById("MSearchField").focus();
universe@390:       }
universe@390:       else if (this.lastKey==13) // Enter
universe@390:       {
universe@390:         return true;
universe@390:       }
universe@390:       return false;
universe@390:     }
universe@390: 
universe@390:     this.NavChild = function(evt,itemIndex,childIndex)
universe@390:     {
universe@390:       var e  = (evt) ? evt : window.event; // for IE
universe@390:       if (e.keyCode==13) return true;
universe@390:       if (!this.ProcessKeys(e)) return false;
universe@390: 
universe@390:       if (this.lastKey==38) // Up
universe@390:       {
universe@390:         if (childIndex>0)
universe@390:         {
universe@390:           var newIndex = childIndex-1;
universe@390:           document.getElementById('Item'+itemIndex+'_c'+newIndex).focus();
universe@390:         }
universe@390:         else // already at first child, jump to parent
universe@390:         {
universe@390:           document.getElementById('Item'+itemIndex).focus();
universe@390:         }
universe@390:       }
universe@390:       else if (this.lastKey==40) // Down
universe@390:       {
universe@390:         var newIndex = childIndex+1;
universe@390:         var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex);
universe@390:         if (!elem) // last child, jump to parent next parent
universe@390:         {
universe@390:           elem = this.NavNext(itemIndex+1);
universe@390:         }
universe@390:         if (elem)
universe@390:         {
universe@390:           elem.focus();
universe@390:         }
universe@390:       }
universe@390:       else if (this.lastKey==27) // Escape
universe@390:       {
universe@390:         parent.searchBox.CloseResultsWindow();
universe@390:         parent.document.getElementById("MSearchField").focus();
universe@390:       }
universe@390:       else if (this.lastKey==13) // Enter
universe@390:       {
universe@390:         return true;
universe@390:       }
universe@390:       return false;
universe@390:     }
universe@390: }
universe@390: 
universe@390: function setKeyActions(elem,action)
universe@390: {
universe@390:   elem.setAttribute('onkeydown',action);
universe@390:   elem.setAttribute('onkeypress',action);
universe@390:   elem.setAttribute('onkeyup',action);
universe@390: }
universe@390: 
universe@390: function setClassAttr(elem,attr)
universe@390: {
universe@390:   elem.setAttribute('class',attr);
universe@390:   elem.setAttribute('className',attr);
universe@390: }
universe@390: 
universe@390: function createResults()
universe@390: {
universe@390:   var results = document.getElementById("SRResults");
universe@390:   for (var e=0; e<searchData.length; e++)
universe@390:   {
universe@390:     var id = searchData[e][0];
universe@390:     var srResult = document.createElement('div');
universe@390:     srResult.setAttribute('id','SR_'+id);
universe@390:     setClassAttr(srResult,'SRResult');
universe@390:     var srEntry = document.createElement('div');
universe@390:     setClassAttr(srEntry,'SREntry');
universe@390:     var srLink = document.createElement('a');
universe@390:     srLink.setAttribute('id','Item'+e);
universe@390:     setKeyActions(srLink,'return searchResults.Nav(event,'+e+')');
universe@390:     setClassAttr(srLink,'SRSymbol');
universe@390:     srLink.innerHTML = searchData[e][1][0];
universe@390:     srEntry.appendChild(srLink);
universe@390:     if (searchData[e][1].length==2) // single result
universe@390:     {
universe@390:       srLink.setAttribute('href',searchData[e][1][1][0]);
universe@390:       if (searchData[e][1][1][1])
universe@390:       {
universe@390:        srLink.setAttribute('target','_parent');
universe@390:       }
universe@390:       var srScope = document.createElement('span');
universe@390:       setClassAttr(srScope,'SRScope');
universe@390:       srScope.innerHTML = searchData[e][1][1][2];
universe@390:       srEntry.appendChild(srScope);
universe@390:     }
universe@390:     else // multiple results
universe@390:     {
universe@390:       srLink.setAttribute('href','javascript:searchResults.Toggle("SR_'+id+'")');
universe@390:       var srChildren = document.createElement('div');
universe@390:       setClassAttr(srChildren,'SRChildren');
universe@390:       for (var c=0; c<searchData[e][1].length-1; c++)
universe@390:       {
universe@390:         var srChild = document.createElement('a');
universe@390:         srChild.setAttribute('id','Item'+e+'_c'+c);
universe@390:         setKeyActions(srChild,'return searchResults.NavChild(event,'+e+','+c+')');
universe@390:         setClassAttr(srChild,'SRScope');
universe@390:         srChild.setAttribute('href',searchData[e][1][c+1][0]);
universe@390:         if (searchData[e][1][c+1][1])
universe@390:         {
universe@390:          srChild.setAttribute('target','_parent');
universe@390:         }
universe@390:         srChild.innerHTML = searchData[e][1][c+1][2];
universe@390:         srChildren.appendChild(srChild);
universe@390:       }
universe@390:       srEntry.appendChild(srChildren);
universe@390:     }
universe@390:     srResult.appendChild(srEntry);
universe@390:     results.appendChild(srResult);
universe@390:   }
universe@390: }
universe@390: 
universe@390: function init_search()
universe@390: {
universe@390:   var results = document.getElementById("MSearchSelectWindow");
universe@390:   for (var key in indexSectionLabels)
universe@390:   {
universe@390:     var link = document.createElement('a');
universe@390:     link.setAttribute('class','SelectItem');
universe@390:     link.setAttribute('onclick','searchBox.OnSelectItem('+key+')');
universe@390:     link.href='javascript:void(0)';
universe@390:     link.innerHTML='<span class="SelectionMark">&#160;</span>'+indexSectionLabels[key];
universe@390:     results.appendChild(link);
universe@390:   }
universe@390:   searchBox.OnSelectItem(0);
universe@390: }
universe@390: