var locked_1 = 0;
var locked_2 = 0;
var locked_3 = 0;
var locked_4 = 0;
var locked_5 = 0;
var locked_6 = 0;

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserVer > 2) version = "n3"; else version = "n2"
if (version == "n3") 

{
but01on = new Image();
but01on.src = "but01on.gif";
but01off = new Image();
but01off.src = "but01.gif";
but02on = new Image();
but02on.src = "but02on.gif";
but02off = new Image();
but02off.src = "but02.gif";
but03on = new Image();
but03on.src = "but03on.gif";
but03off = new Image();
but03off.src = "but03.gif";
but04on = new Image();
but04on.src = "but04on.gif";
but04off = new Image();
but04off.src = "but04.gif";
but05on = new Image();
but05on.src = "but05on.gif";
but05off = new Image();
but05off.src = "but05.gif";
but06on = new Image();
but06on.src = "but06on.gif";
but06off = new Image();
but06off.src = "but06.gif";
}

function img_act(imgName)  
{
if (version == "n3")   
	{
	imgOn = eval(imgName + "on.src");
	document [imgName].src = imgOn;
	}
}
function img_inact(imgName)   
{
if (version == "n3")
	{
	imgOff = eval(imgName + "off.src");
	document [imgName].src = imgOff;
	}
}