var menu1_off = new Image();
menu1_off.src = "images/campi.gif";

var menu1_on = new Image();
menu1_on.src = "images/campi1.gif";

var menu2_off = new Image();
menu2_off.src = "images/venditadiretta.gif";

var menu2_on = new Image();
menu2_on.src = "images/venditadiretta1.gif";

var menu3_off = new Image();
menu3_off.src = "images/gallery.gif";

var menu3_on = new Image();
menu3_on.src = "images/gallery1.gif";

var menu4_off = new Image();
menu4_off.src = "images/partners.gif";

var menu4_on = new Image();
menu4_on.src = "images/partners1.gif";

var menu5_off = new Image();
menu5_off.src = "images/info.gif";

var menu5_on = new Image();
menu5_on.src = "images/info1.gif";



// Turn the menu image on
function imgOn(imgOn) 
{
  if (document.images) 
  {  
	document.images[imgOn].src = eval(imgOn + "_on.src");
  }
}

// Turn the menu image off
function imgOff(imgOff)
{
    if (document.images)
	{
	  document.images[imgOff].src = eval(imgOff + "_off.src");
	}
}