function hi(imgref,lang) {
	document.images[imgref].src = "/img/nav-" + imgref + "-on-" + lang + ".gif";
}

function lo(imgref,lang) {
	document.images[imgref].src = "/img/nav-" + imgref + "-off-" + lang + ".gif";
}

function higen(imgref) {
	document.images[imgref].src = "/img/" + imgref + "-on.gif";
}

function logen(imgref) {
	document.images[imgref].src = "/img/" + imgref + "-off.gif";
}

function hibk(imgref,imgno) {
	if (imgref == "f")
		imgnm = "facebook";
	else if (imgref == "t")
		imgnm = "twitter";
	else if (imgref == "d")
		imgnm = "digg";
	document.images["bk"+imgref+imgno].src = "/img/icon-" + imgnm + "-on.gif";
}

function lobk(imgref,imgno) {
	document.images["bk"+imgref+imgno].src = "/img/icon-" + imgnm + "-off.gif";
}