img1on = new Image();		img1on.src = "images/home-green.png";
img2on = new Image();		img2on.src = "images/webcam-green.png";
img3on = new Image();		img3on.src = "images/eletter-green.png";
img4on = new Image();		img4on.src = "images/about-green.png";
img5on = new Image();		img5on.src = "images/pegboard-green.png";
img6on = new Image();		img6on.src = "images/logoff-green.png";
img7on = new Image();		img7on.src = "images/login-green.png";

img1off = new Image();		img1off.src = "images/home-blue.png";
img2off = new Image();		img2off.src = "images/webcam-blue.png";
img3off = new Image();		img3off.src = "images/eletter-blue.png";
img4off = new Image();		img4off.src = "images/about-blue.png";
img5off = new Image();		img5off.src = "images/pegboard-blue.png";
img6off = new Image();		img6off.src = "images/logoff-blue.png";
img7off = new Image();		img7off.src = "images/login-blue.png";

function imgOn(w) {
	document.images[w].src = eval(w + "on.src");
	}

function imgOff(w) {
	document.images[w].src = eval(w + "off.src");
	}