browser=navigator.appName;
browserNum=parseInt(navigator.appVersion);

if ((browser=="Netscape")&&(browserNum<5)) 
{
    
	//Netscape 4.x
	layerRef="document.layers['";
	endLayerRef="']";
	styleRef="";
}
else if ((browser=="Netscape")&&(browserNum>=5) || (browser=="Opera"))
{
	//Netscape 6
	layerRef="document.getElementById('";
	styleRef=".style";
	endLayerRef="')";
}
else
{
	//Internet Explorer
	layerRef="document.all['";
	endLayerRef="']";
	styleRef=".style";
}

function newImage(arg)
{
	if (document.images) 
	{
		rslt=new Image();
		rslt.src=arg;
		return rslt;
	}
}

function changeImages()
{
	if (document.images)
	{
		for (var i=0; i<changeImages.arguments.length; i+=2)
		{
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}