hideLastSeparator();

function hideLastSeparator() {
   var elements = getElementsByClass("article_separator", null, "span");
   if(elements.length > 0) {
      elements[elements.length-1].style.display="none";
   }
}

function getElementsByClass(searchClass,node,tag) {
   var classElements = new Array();
   if (node == null) node = document;
   if (tag == null) tag = '*';
   var els = node.getElementsByTagName(tag);
   var elsLen = els.length;
   var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
   for (i = 0, j = 0; i < elsLen; i++) {
      if (pattern.test(els[i].className)) {
         classElements[j] = els[i];
         j++;
      }
   }
   
   return classElements;
}