function showProduct_hideAll(){
      document.getElementById('homediv').style.display = "none";
      document.getElementById('greendoors').style.display = "none";
      document.getElementById('greenwindows').style.display = "none";
      document.getElementById('greeninsulation').style.display = "none";
      document.getElementById('greenroofing').style.display = "none";
   }


   function showProduct_showDiv( strDivName ){
      showProduct_hideAll();
      eval( "document.getElementById('" + strDivName + "').style.display = 'inline'" );
   }