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;
   }
   function HideLists()
   {
      var listdivs = getElementsByClass('regionlistcontainer');
      for(var i=0;i < listdivs.length;i++)
      {
         listdivs[i].style.display='none';
      }
   }
   function HideOtherLists(region)
   {
      var listdivs = getElementsByClass('regionlistcontainer');
      for(var i=0;i < listdivs.length;i++)
      {
         if(listdivs[i].id!="region"+ region +"list")
            listdivs[i].style.display='none';
      }
   }