/* ---- nav script ------- modified 9 February 2006 ----- */
// drop-down menu setup
//
//toggle drop-down box cells
 function swp(num,obj)
 { var bkg=(num==2)?"#A3A3A3":"#444";        // grey/black                       
   var fnt=(num==2)?"#000":"FFF";
   obj.style.backgroundColor=bkg;
   obj.style.color=fnt;
 }
// -------------
 // page to go to
 function pg(destn)
  { location.href=destn;
    return false;
  }
// ---------------
// graf toggle
 function chg(numb,obj)
  { var oldSrc=obj.src;
    var pnt=(numb=="_1")?"_2" : "_1";  
    var newSrc=oldSrc.replace(numb,pnt);
    obj.src=newSrc;
  }
//   -----------