var clientId = "eb";
var domain = "http://britannica.sharedbook.com/serve/smartbtn/" + clientId + "/";

function SharedBookSmartButton_aw()
{
   // ***********  Private members  ***********

   var cookie_name = clientId + "_sbUserId";

   // Timer ID
   var tid = null;

   // Count how many times setInterval(.) was called to allow max retries
   var interval_counter = 0;

   var printableUrl = document.location.href;
   var doc_url = document.location.href;
   doc_url = doc_url.split("#")[0];

   // For example: http://www.britannica.com/EBchecked/topic/229851/geometry
   // any_machine_name.britannica.com:port
   // any_machine_name.britannica.net:port/

   <!--  -->
   var printableUrl = 'http://www.britannica.com/EBchecked/sharedBookTopic/167647/dog';
   try
   {
      var pattern = "http://\\S*\\.britannica\\.(com|net)(:\\d*)?/\\S*/topic/(\\d*)/([^/]*)\.*$";
      var topic_id = doc_url.match(pattern)[3]
      var topic_name = doc_url.match(pattern)[4]
      printableUrl = "http://www.britannica.com/EBchecked/sharedBookTopic/" + topic_id + "/" + topic_name;
   }
   catch(err){}

   var userIdFromCookie = null;

   // **************************************************************************
   // Privileged functions (public with access to private methods)
   // **************************************************************************

   this.sharedbookAddArticle = function ()
   {
      userIdFromCookie = new Date().getTime();

      // This code generats "var add_article_success = 'True'".
      var add_article_url = encodeURI(domain + "add_url_generate_book.djs?user_id=" + userIdFromCookie + "&article_url=" + doc_url + "&scraping_url=" + printableUrl + '&sr=aw');
      var add_article_script = document.createElement('script');
      add_article_script.src = add_article_url;
      document.getElementsByTagName('head')[0].appendChild(add_article_script);

      // Display the blocking div.
      //document.getElementById("blockingDiv_aw").style.display = "";
      centerAndShow('divTopLeft_aw', 'blockingDiv_aw');
      <!--  -->

      tid = setInterval(handleAddURLToClipboard, 1000);

      function handleAddURLToClipboard()
      {
         if(typeof add_article_success != 'undefined' && add_article_success != null)
         {
            clearInterval(tid);
            tid = null;
            interval_counter = 0;

            if (add_article_success == "False")
            {
                // Reset to allow subsequent requests that will use the same var.
               add_article_success = null;

               // Hide the blocking div.
               document.getElementById("blockingDiv_aw").style.display = "none";
               document.getElementById("divTopLeft_aw").style.display = "none";
               <!--  -->

               alert("We're Sorry, but we are currently unable to 'Book' this page.  This may be a temporary issue.  Please try again later.");

            }
            //if (add_article_success == "True")
            else
            {
               var go_to_url = add_article_success + "&linkBack=" + doc_url + '&btnVer=aw';
               top.document.location.href = encodeURI(go_to_url);
            }
         }
         else if (interval_counter++ > 120)
         {
            clearInterval(tid);
            interval_counter = 0;

            // Hide the blocking div.
            document.getElementById("blockingDiv_aw").style.display = "none";
            document.getElementById("divTopLeft_aw").style.display = "none";

            alert("We're Sorry, but we are currently unable to 'Book' this page.  This may be a temporary issue.  Please try again later.");

            <!--  -->
         }
      }
   };

   // **************************************************************************
   // Private functions
   // **************************************************************************

   // **************************************************************************
   // Functions for positioning the blocking div.
   // **************************************************************************
   
   function getPageHeightWithScroll(){
       if (window.innerHeight && (window.scrollMaxY!=null)) {// Firefox
           //console.log("FF logic: wih:"+window.innerHeight+" smY:" + window.scrollMaxY);
           return( window.innerHeight + window.scrollMaxY);
       } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
          //console.log("Explorer Mac");
           return(document.body.scrollHeight);
       } else { // works in Explorer 6 Strict, Mozilla (not FF) and Safari
          //console.log("Mozilla");
           return(document.body.offsetHeight+document.body.offsetTop);
         }
   }
   
   function getPageWidthWithScroll(){
       if (window.innerWidth && (window.scrollMaxX!=null)) {// Firefox
           //console.log('ff');
           return( window.innerWidth + window.scrollMaxX);
       } else if (document.body.scrollWidth > document.body.offsetWidth){ // all but Explorer Mac
           //console.log('generic');
           return(document.body.scrollWidth);
       } else { // works in Explorer 6 Strict, Mozilla (not FF) and Safari
            //console.log('last resort');
           return(document.body.offsetWidth+document.body.offsetLeft);
         }
   }
   
   function getPageWidth()
   {
       if (window.innerWidth) {// Firefox
           return( window.innerWidth);
       } else if (document.documentElement.clientWidth!=0){ // strict mode
           return(document.documentElement.clientWidth);
       } else { // quirks mode
        return(document.body.clientWidth);
        }
   }
   
   function getPageHeight()
   {
       if (window.innerHeight) {// Firefox
           return( window.innerHeight);
       } else if (document.documentElement.clientHeight!=0){ // strict mode
           return(document.documentElement.clientHeight);
       } else { // quirks mode
        return(document.body.clientHeight);
        }
   }
   
   function getPageScrollHeight()
   {
    if((window.pageYOffset!=null))
    {
     return(window.pageYOffset);
    }
    else
    {
      var iebody=(document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body;
      return iebody.scrollTop;
    }
   }
   
   function getPageScrollWidth()
   {
    if((window.pageXOffset!=null))
    {
     return(window.pageXOffset);
    }
    else
    {
      var iebody=(document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body;
      return iebody.scrollLeft;
    }
   }
   
   function centerAndShow(id, parentid)
   {
    var pageHeight,pageWidth;
    elm=document.getElementById(id);
    parentElm=document.getElementById(parentid);
    parentElm.style.width=getPageWidthWithScroll()+'px'; // 20
    parentElm.style.height=getPageHeightWithScroll()+'px'; // 20
    parentElm.style.display = ''; 
    elm.style.display = ''; 
    pageHeight=getPageHeight();
    pageWidth=getPageWidth();
    elm.style.top= (pageHeight-elm.offsetHeight)/2+getPageScrollHeight()+'px';
    elm.style.left= (pageWidth-elm.offsetWidth)/2+getPageScrollWidth()+'px'; 
    var iebody=(document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body;
    iebody.style.overflow='hidden';
   }
   
   // **************************************************************************
   // END - functions for positioning the blocking div.
   // **************************************************************************

}

// Important: client name turns to directory name, keep it lower case !
var sbSmartBtnObj_aw = new SharedBookSmartButton_aw();

var dws = ""



dws += '<!-- SharedBook Smart Button START -->';
<!--  -->
dws += '<a title="" href="javascript:sbSmartBtnObj_aw.sharedbookAddArticle()"><img border="0" alt="" src="' + domain + 'images/upsell.gif"/></a>';
dws += '<!-- SharedBook Smart Button END -->';


//var blocking_div_html = '<div id="blockingDiv_aw" onclick="return false;" style="display: none; z-index: 9999999; position: fixed; left: 0pt; top: 0px; "><div onclick="return false;" style="z-index: 9999999; width: 1600px; height: 1460px; position: absolute; left: 0pt; top: 0px; opacity: 0.7; filter:alpha(opacity=70); background-color: rgb(153, 153, 153);" align="center"></div><div id="divTopLeft_aw" style="position: absolute; top: 200px; left: 320px; opacity: 1; filter:alpha(opacity=100); z-index: 9999999;"><img src="' + domain + 'images/overlay_buyart_wait.gif" alt="Your article is being prepared: This may take several minutes" /></div></div>';
var blocking_div_html_aw = '<div id="blockingDiv_aw" onclick="return false;" style="display: none; z-index: 99999; width: 0px; height: 0px;  position: absolute; left: 0pt; top: 0px; opacity: 0.7; filter:alpha(opacity=70); background-color: rgb(153, 153, 153);" align="center"></div>    <div id="divTopLeft_aw" style="display: none; position: absolute; z-index: 999999; opacity: 1;"><img src="' + domain + 'images/overlay_buyart_wait.gif" alt="Your article is being prepared: This may take several minutes"></div>';

//var blocking_div_html = '<div id="blockingDiv_aw" onclick="return false;" style="display: none; z-index: 9999999; position: fixed; left: 0pt; top: 0px; "><div onclick="return false;" style="z-index: 9999999; width: 1600px; height: 1460px; position: absolute; left: 0pt; top: 0px; opacity: 0.7; filter:alpha(opacity=70); background-color: rgb(153, 153, 153);" align="center"></div><div id="divTopLeft_aw" style="position: absolute; top: 200px; left: 320px; opacity: 1; filter:alpha(opacity=100); z-index: 9999999;"><img src="' + domain + 'images/overlay_buyart_wait.gif" alt="Your article is being prepared: This may take several minutes" /></div></div>';
//<script type="text/javascript">var ns = (navigator.appName.indexOf("Netscape") != -1);var d = document;function JSFX_FloatDiv(id, sx, sy){	var el=d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id];	var px = document.layers ? "" : "px";	window[id + "_obj"] = el;	if(d.layers)el.style=el;	el.cx = el.sx = sx;el.cy = el.sy = sy;	el.sP=function(x,y){this.style.left=x+px;this.style.top=y+px;};	el.floatIt=function()	{		var pX, pY;		pX = (this.sx >= 0) ? 0 : ns ? innerWidth :		document.documentElement && document.documentElement.clientWidth ?		document.documentElement.clientWidth : document.body.clientWidth;		pY = ns ? pageYOffset : document.documentElement && document.documentElement.scrollTop ?		document.documentElement.scrollTop : document.body.scrollTop;		if(this.sy<0)		pY += ns ? innerHeight : document.documentElement && document.documentElement.clientHeight ?		document.documentElement.clientHeight : document.body.clientHeight;		this.cx += (pX + this.sx - this.cx)/8;this.cy += (pY + this.sy - this.cy)/8;		this.sP(this.cx, this.cy);		setTimeout(this.id + "_obj.floatIt()", 40);	};	return el;}JSFX_FloatDiv("divTopLeft_aw",       320,   100).floatIt();</script>

if (!window.smartBtnGM)
{
   document.write(dws);
}
else
{
   // FF plugin
   smartBtnGM.buttonContainerElement.innerHTML += dws;
   var divTag = document.createElement("div");
   divTag.innerHTML = blocking_div_html_aw;
   document.getElementsByTagName("body")[0].appendChild(divTag);
}

var bodyElems = document.getElementsByTagName("body");
if (bodyElems && bodyElems[0])
{
   var bodyTag = bodyElems[0];
   
   function addBlockingDiv_aw()
   {
      var divTag_aw = document.createElement("div");
      divTag_aw.innerHTML = blocking_div_html_aw;
      bodyTag.appendChild(divTag_aw);
   }
   
   if (window.addEventListener){ // FF
     window.addEventListener('load', addBlockingDiv_aw, false); 
   } else if (window.attachEvent){ // IE
     window.attachEvent('onload', addBlockingDiv_aw);
   }
}