var preload = true;

var active_img = newImage('img/dot_active.gif');
var inactive_img = newImage('img/dot.gif');

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

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

function menuClicked(img)
{
	for (i = 1; i < 9; i++)
	{
		document.images['menu'+i].src = inactive_img.src;
	}
	
	document.images[img].src = active_img.src;
}

function internalLink(img)
{
	for (i = 1; i < 9; i++)
	{
		parent.frames["menu"].document.images['menu'+i].src = inactive_img.src;
	}
	parent.frames["menu"].document.images[img].src = active_img.src;
}