var shadows = new Array();
   var menu;
   var timerId = 0;
   var timerDelId = 0;
   //used for the change_display(head) function
   var sImgExpandedArrow = "";
   var sImgDefaultArrow = "";


   function deletePopup() {
      if (menu) {
         menu.style.display = 'none';
         var selects = document.all.tags("SELECT");
         if (selects!=null) {
            for (var i=0; i<selects.length; i++) {
               selects[i].style.visibility = 'visible';
            }
         }
      }
   }
   function doMenuz(el, popup) {
      timerId = 0;
      if (menu) {
         deletePopup();
      }
      var selects = document.all.tags("SELECT");
      if (selects!=null) {
         for (var i=0; i<selects.length; i++)
         {
            selects[i].style.visibility = 'hidden';
         }
      }
      menu = popup;
      menu.style.posTop = absTop(el);


      menu.style.posLeft = 177;
      menu.style.display = '';
      menu.style.zIndex = 4;
      menu.onchange = adjustTop(el, popup)

   }

   function adjustTop(){
      if ((menu.style.posTop+menu.clientHeight) >= document.body.clientHeight) //below bottom
      {
         menu.style.posTop = (menu.style.posTop-(menu.clientHeight)+18);
      }
      menu.onchange = adjustBottom()
   }

   function adjustBottom() {
      if (menu.style.posTop < document.body.scrollTop) //above top
      {
         menu.style.posTop = document.body.scrollTop;
      }
   }

   function removePopup() {
      cancelPopup();
      deletePopup();
   }
   function absTop(el) { //finds the top
      var n = el.offsetTop;

      while (el.parentElement) {
         el = el.parentElement;
         n += el.offsetTop;
      }
      return n;
   }
   function popup(el) {
      cancelPopup();
      timerId = window.setTimeout('doMenuz(' + el.id + ', ' + el.submenu + ')', 200);
   }
   function cancelPopup() {
      if (timerId != 0) {
         window.clearTimeout(timerId);
         timerId = 0;
      }
   }
   function delayRemove() {
      timerDelId = window.setTimeout('deletePopup()', 200);
   }
   function cancelDelay() {
      if (timerDelId != 0) {
         window.clearTimeout(timerDelId);
         timerDelId = 0;
      }
   }

   function rollon(a) {
      a.style.backgroundColor='#CCCCCC';
      a.style.border = '#999999 solid 1px';
   }

   function rolloff(a) {
      if (a.className == 'menuBarSel') {
         a.style.backgroundColor='#FFFFFF'
      }
      else {
         a.style.backgroundColor='#f1f1f1';
         a.style.border = '#f1f1f1 solid 1px';
      }
   }
   // added by atilab, works with the 'In This Article' component


   function change_display(head) {
      var oSrcEle = window.event.srcElement
      sImg666 = oSrcEle.src

      if (sImgExpandedArrow == ""){
         sImgExpandedArrow = "http://www.microsoft.com/products/shared/images/arrow_expand.gif";
      }
      if (sImgDefaultArrow == ""){
         sImgDefaultArrow = "http://www.microsoft.com/products/shared/images/arrow_default.gif";
      }
      if (document.all.item(head).style.display == "")
      {
         document.all.item(head).style.display = "none";
         oSrcEle.src = sImgExpandedArrow;
         oSrcEle.alt = "expand menu";
      }
      else
      {
         document.all.item(head).style.display= "";
         oSrcEle.src = sImgDefaultArrow;
         oSrcEle.alt = "collapse menu";
      }
   }

   function chngColour(sID)
      {
      var oMainBorder = document.all.item("main" + sID);
      var oHeaderBorder = document.all.item("header" + sID);
      var oArticle = document.all.item("article" + sID);
      var oArrowCol = document.all.item("arrowCol" + sID);
         if (oMainBorder.className == 'componentBorder')
            {
               oMainBorder.className = 'componentBorderSel';
               oHeaderBorder.className = 'componentBorderSel';
               oArticle.className = 'componentHeaderSel';
               oArrowCol.className = 'componentHeaderSel';
            }
         else
            {
               oMainBorder.className = 'componentBorder';
               oHeaderBorder.className = 'componentBorder';
               oArticle.className = 'componentHeader';
               oArrowCol.className = 'componentHeader';
            }
      }

   function noPrint()
   {
        var noprint = document.all.item("donotprint");
        if (noprint != null)
         if (backicon.style.display != "")
               {
                    if (noprint.length != null)
                         {
                             for (var i=0; i<noprint.length; i++)
                                   {
                                        noprint(i).style.display = "none";
                                   }
                              toggleImgDisplay("/flyout_arrow.gif");//hides flyout arrows
                              printicon.style.display = "none";
                              backicon.style.display = "";
                              document.body.scrollTop = 0;
                         }
               }
         else
               {
                    if (noprint.length != null)
                         {

                              for (var i=0; i<noprint.length; i++)
                                   {
                                        noprint(i).style.display = "";
                                   }
                              toggleImgDisplay("/flyout_arrow.gif");//displays flyout arrows
                              printicon.style.display = "";
                              backicon.style.display = "none";
                              document.body.scrollTop = 0;
                         }
               }
     }

    function toggleImgDisplay(sImgName)
    {
      var oImages = document.images;
      if (oImages != null)
      {
         var iImgLength = oImages.length;
         for (var i=0; i<iImgLength; i++)
         {
            if (oImages[i].src.indexOf(sImgName)!=-1)
            {
               if (oImages[i].style.display=="none")
               {
                  oImages[i].style.display="";
               }
               else
               {
                  oImages[i].style.display="none";
               }
            }
         }
      }
    }

   function togglefaq()
     {
         if (toggle.checked == true){
             expandfaq();
             }
         else{
              contractfaq();
             }
     }

   function expandfaq()
   {
      var faqitem = document.all.item("faqitem");
      var faq = document.all.item("faq");
      if (faqitem != null)
      {
         if (faqitem.length != null)
         {
             for (i=0; i<faqitem.length; i++)
             {
               faqitem(i).style.display = "inline";
               faq(i).style.color = "#666666";
            }
         }
      }
   }

    function contractfaq()
   {
        var faqitem = document.all.item("faqitem");
        var faq = document.all.item("faq");
        if (faq != null){
        for (i=0; i<faq.length; i++){
                                        faq(i).style.color = "#666666";
                                   }
        }
        if (faqitem != null){
                    if (faqitem.length != null){
                              for (i=0; i<faqitem.length; i++){
                                        faqitem(i).style.display = "none";
                                   }
                    }
          }
     }

     function getPar(o)
     {
      var ele = new Object();
      ele = findDIV(o)
      if (ele!=null)
      {
         var oA = ele.children.item(1);
         if (oA.style.display == "inline")
         {
            oA.style.display = "none";
            o.style.color = "#666666";
         }
         else
         {
            oA.style.display = "inline";

         }
      }

   }

   function findDIV(x)
   {
   var oDiv = document.all.tags("DIV");
   var iDiv;
      if (oDiv != null)
      {
         iDiv = oDiv.length;
         for (var i=0; i<iDiv; i++)
         {
            if(oDiv[i].contains(x))
            {
            return oDiv[i];
            }
         }
      }
   }

   function overState(obj)
   {
      obj.currentColor = obj.style.color;
      obj.style.color = "#0033FF";
      obj.style.cursor = "hand";
   }

   function outState(obj)
   {
      if ("#0033ff" == obj.style.color)
      {
         obj.style.color = obj.currentColor;
      }
   }


   function popItUp(page)
   {
     if (page != "")
     {
      popUpWin = window.open(page,"PopUp","toolbar=no,location=0,directories=0,status=no,menubar=no,scrollbars,resizable=no,width=660,height=390");
      popUpWin.focus();
      return false;
     }
   }

   function preloadImages()
   {
      if (document.images) {
           var imgFiles = preloadImages.arguments;
           var preloadArray = new Array();
           for (var i=0; i<imgFiles.length; i++) {
             preloadArray[i] = new Image;
             preloadArray[i].src = imgFiles[i];
          }
      }
   }

   function swapImage()
   {
     var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.swapImgData;
     for (i=0; i < (swapImage.arguments.length-2); i+=3) {
       objStr = swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
       if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
           (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
         objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
       obj = eval(objStr);
       if (obj != null) {
         swapArray[j++] = obj;
         swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
         obj.src = swapImage.arguments[i+2];
         }
      }
     document.swapImgData = swapArray;
   }

   function swapImgRestore()
   {
     if (document.swapImgData != null)
       for (var i=0; i<(document.swapImgData.length-1); i+=2)
         document.swapImgData[i].src = document.swapImgData[i+1];
   }

   function loadDoubleClick(catId) {
      var axel = Math.random()+"";
      var a = axel * 10000000000000;
      var strUrl = "https://ad.doubleclick.net/activity;src=790463;type=fy06c883;cat=" + catId + ";ord=1;num=" + a + "?"
      document.images["spotLightTag"].src = strUrl;
   }

function doSearch() {
   var e, t, f;
   if (document.all) {
      t = document.all['searchInputTemp'];
      e = document.all['searchInput'];
      f = document.forms['navSearchForm'];
   } else {
      e = document.getElementById("searchInput");
      t = document.getElementById("searchInputTemp");
      f = document.getElementById("navSearchForm");
   }
   e.value = t.value;
   f.submit();
   return false;
}

function disableButtons() {
   var buttons = document.getElementsByTagName('input');
   for (var i = 0; i < buttons.length; i++) {
      if (buttons[i].type && buttons[i].type.toLowerCase() == 'submit'
         || buttons[i].type.toLowerCase() == 'button') {
         buttons[i].disabled = true;
      }
   }
}