if (document.images) {
homeoff=new Image();
homeoff.src= "../images/menu/homeoff.gif";
homeon=new Image();
homeon.src= "../images/menu/homeon.gif";
producersoff=new Image();
producersoff.src= "../images/menu/producersoff.gif";
producerson=new Image();
producerson.src= "../images/menu/producerson.gif";
marketsoff=new Image();
marketsoff.src= "../images/menu/marketsoff.gif";
marketson=new Image();
marketson.src= "../images/menu/marketson.gif";
calendaroff=new Image();
calendaroff.src= "../images/menu/calendaroff.gif";
calendaron=new Image();
calendaron.src= "../images/menu/calendaron.gif";
recipesoff=new Image();
recipesoff.src= "../images/menu/recipesoff.gif";
recipeson=new Image();
recipeson.src= "../images/menu/recipeson.gif";
educationoff=new Image();
educationoff.src= "../images/menu/educationoff.gif";
educationon=new Image();
educationon.src= "../images/menu/educationon.gif";
aboutoff=new Image();
aboutoff.src= "../images/menu/aboutoff.gif";
abouton=new Image();
abouton.src= "../images/menu/abouton.gif";
contactoff=new Image();
contactoff.src= "../images/menu/contactoff.gif";
contacton=new Image();
contacton.src= "../images/menu/contacton.gif";

}


function imageOn (imagename){
  document[imagename].src=eval(imagename+"on.src");
 }
function imageOff (imagename){
  document[imagename].src=eval(imagename+"off.src");
 }