// funzione immagine menu //

function cambia(ImgName, ImgSource)
{
	document.images[ImgName].src = eval(ImgSource+'.src');
}

// homepage //
var menuon = new Image();
menuon.src = "images/menu_caldaie_on.gif";
var menuoff = new Image();
menuoff.src = "images/menu_caldaie.gif";

var menu2on = new Image();
menu2on.src = "images/menu_pannelli_on.gif";
var menu2off = new Image();
menu2off.src = "images/menu_pannelli.gif";

var menu3on = new Image();
menu3on.src = "images/menu_legge_on.gif";
var menu3off = new Image();
menu3off.src = "images/menu_legge.gif";

var menu4on = new Image();
menu4on.src = "images/menu_finanziaria_on.gif";
var menu4off = new Image();
menu4off.src = "images/menu_finanziaria.gif";

// ----------------------- //

var caldaiaon = new Image();
caldaiaon.src = "images/caldaie01_on.gif";
var caldaiaoff = new Image();
caldaiaoff.src = "images/caldaie01_off.gif";

var caldaia2on = new Image();
caldaia2on.src = "images/caldaie02_on.gif";
var caldaia2off = new Image();
caldaia2off.src = "images/caldaie02_off.gif";

var caldaia3on = new Image();
caldaia3on.src = "images/ariston_on.gif";
var caldaia3off = new Image();
caldaia3off.src = "images/ariston_off.gif";

var caldaia4on = new Image();
caldaia4on.src = "images/incentivi_on.gif";
var caldaia4off = new Image();
caldaia4off.src = "images/incentivi_off.gif";

// legge ---------------------------//

var simulaon = new Image();
simulaon.src = "images/simulazione01_on.gif";
var simulaoff = new Image();
simulaoff.src = "images/simulazione01_off.gif";

var simula2on = new Image();
simula2on.src = "images/simulazione02_on.gif";
var simula2off = new Image();
simula2off.src = "images/simulazione02_off.gif";

var simula3on = new Image();
simula3on.src = "images/simulazione03_on.gif";
var simula3off = new Image();
simula3off.src = "images/simulazione03_off.gif";