function img_act(imgName)	{
	document.images[imgName].src = "images/" + imgName + "_on.gif";
}
function img_inact(imgName,lang)	{
	document.images[imgName].src = "images/" + imgName + "_off.gif";
}

function launchWin(doc,name,w,h) {
	settings = "toolbar=0,scrollbars=0,location=0,status=0,menubar=0,resizeable=0,width=" + w + ",height=" + h;
	popupWin = window.open(doc,name,settings);
	popupWin.moveTo(((screen.width/2)-(w/2)),((screen.height/2)-(h/2)))
}