home = new Image();
home.src = "monsanto/homepageon.gif";
serv = new Image();
serv.src = "monsanto/serviceson.gif";
proj = new Image();
proj.src = "monsanto/projectson.gif";
about = new Image();
about.src = "monsanto/aboutuson.gif";
contact = new Image();
contact.src = "monsanto/contactuson.gif";
appreciate	= new Image();
appreciate.src= "monsanto/appreciationson.gif";