<!-- Activate Cloaking Device// Necessary to declare these here for browsers with less than JavaScript 1.1.function off_image(img) { }function on_image(loc, img) {  }// Deactivate Cloaking --><!-- Activate Cloaking Device// Preload 14 images to memory.NPPImages = new Array(14)NPPImages[1] = new Image(183,27)NPPImages[1].src = "../images/nav/home2.jpg" NPPImages[2] = new Image(183,27)NPPImages[2].src = "../images/nav/home1.jpg" NPPImages[3] = new Image(184,27)NPPImages[3].src = "../images/nav/science2.jpg" NPPImages[4] = new Image(184,27)NPPImages[4].src = "../images/nav/science1.jpg" NPPImages[5] = new Image(184,27)NPPImages[5].src = "../images/nav/proj2.jpg" NPPImages[6] = new Image(184,27)NPPImages[6].src = "../images/nav/proj1.jpg" NPPImages[7] = new Image(179,27)NPPImages[7].src = "../images/nav/internal2.jpg" NPPImages[8] = new Image(179,27)NPPImages[8].src = "../images/nav/internal1.jpg" NPPImages[9] = new Image(88,49)NPPImages[9].src = "../images/nav/head-nasa2.jpg" NPPImages[10] = new Image(88,49)NPPImages[10].src = "../images/nav/head-nasa1.jpg" NPPImages[11] = new Image(88,44)NPPImages[11].src = "../images/nav/head-dod2.jpg" NPPImages[12] = new Image(88,44)NPPImages[12].src = "../images/nav/head-dod1.jpg" NPPImages[13] = new Image(88,43)NPPImages[13].src = "../images/nav/head-noaa2.jpg" NPPImages[14] = new Image(88,43)NPPImages[14].src = "../images/nav/head-noaa1.jpg" // Called by onMouseOverfunction on_image(loc, img)   { loc.src=NPPImages[img].src; }  // Called by onMouseOutfunction off_image(loc, img)    { loc.src=NPPImages[img].src; }// Deactivate Cloaking  -->