var NN3 = false;image1= new Image();image1.src = "images/ncolor2.jpg";image1on = new Image();image1on.src = "images/ncolor2.jpg";image1alt = new Image();image1alt.src = "images/ncolor2.jpg";image1alton = new Image();image1alton.src = "images/ncolor2.jpg";image2= new Image();image2.src = "images/nhome.jpg";image2on = new Image();image2on.src = "images/nhome.jpg";image2alt = new Image();image2alt.src = "images/ncolor2.jpg";image2alton = new Image();image2alton.src = "images/nhome_on.jpg";image3= new Image();image3.src = "images/ncontact.jpg";image3on = new Image();image3on.src = "images/ncontact.jpg";image3alt = new Image();image3alt.src = "images/ncolor2.jpg";image3alton = new Image();image3alton.src = "images/ncontact_on.jpg";function on3(name)   {        document[name].src = eval(name + "on.src");        document["image1alt"].src = eval(name + "alton.src");}function off3(name)  {        document[name].src = eval(name + ".src");        document["image1alt"].src = eval(name + "alt.src");}NN3 = true;function on(name)  {        if (NN3) on3(name);}function off(name)  {        if (NN3) off3(name);}