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,scroll,resize) {
	var r = resize;
	var s = scroll;
	if (r == null){
		//alert("r is null");
		var r = 0;
	}
	if (s == null){
		//alert("s is null");
		var s = 0;
	}
	settings = "toolbar=0,scrollbars=" + s + ",location=0,status=0,menubar=0,resizable=" + r + ",width=" + w + ",height=" + h;
	popupWin = window.open(doc,name,settings);
	popupWin.moveTo(((screen.width/2)-(w/2)),((screen.height/2)-(h/2)))
	popupWin.focus();
}