function getFilenameFromHref()
{
	var filename = getFilenameFromHref.arguments[0];
	var slashindex = filename.indexOf("/");

	while (slashindex >= 0)
	{
		filename = filename.substring(slashindex+1, filename.length);
		slashindex = filename.indexOf("/");
	}
	return filename;
}

function SetInformationFrame()
{
	top.frames['informationframe'].location.href = SetInformationFrame.arguments[0];
}

function DisplayMenuImages()
{
	var LoadedFilename = getFilenameFromHref(top.frames['informationframe'].location.href);

	if (LoadedFilename == 'intro.html')
	{
		top.frames['menu'].document.images['menu_home'].src = 'images/menu_home_on.jpg'
		top.frames['menu'].document.images['menu_home_border'].src = 'images/menu_border_on.jpg'
	}
	else
	{
		top.frames['menu'].document.images['menu_home'].src = 'images/menu_home_off.jpg'
		top.frames['menu'].document.images['menu_home_border'].src = 'images/menu_border_off.jpg'
	}

	if (LoadedFilename == 'matrix.html')
	{
		top.frames['menu'].document.images['menu_matrix'].src = 'images/menu_matrix_on.jpg'
		top.frames['menu'].document.images['menu_matrix_border'].src = 'images/menu_border_on.jpg'
	}
	else
	{
		top.frames['menu'].document.images['menu_matrix'].src = 'images/menu_matrix_off.jpg'
		top.frames['menu'].document.images['menu_matrix_border'].src = 'images/menu_border_off.jpg'
	}

	if (LoadedFilename == 'scheduler.html')
	{
		top.frames['menu'].document.images['menu_scheduler'].src = 'images/menu_scheduler_on.jpg'
		top.frames['menu'].document.images['menu_scheduler_border'].src = 'images/menu_border_on.jpg'
	}
	else
	{
		top.frames['menu'].document.images['menu_scheduler'].src = 'images/menu_scheduler_off.jpg'
		top.frames['menu'].document.images['menu_scheduler_border'].src = 'images/menu_border_off.jpg'
	}

	if (LoadedFilename == 'plugins.html')
	{
		top.frames['menu'].document.images['menu_plugins'].src = 'images/menu_plugins_on.jpg'
		top.frames['menu'].document.images['menu_plugins_border'].src = 'images/menu_border_on.jpg'
	}
	else
	{
		top.frames['menu'].document.images['menu_plugins'].src = 'images/menu_plugins_off.jpg'
		top.frames['menu'].document.images['menu_plugins_border'].src = 'images/menu_border_off.jpg'
	}

	if (LoadedFilename == 'macros.html')
	{
		top.frames['menu'].document.images['menu_macros'].src = 'images/menu_macros_on.jpg'
		top.frames['menu'].document.images['menu_macros_border'].src = 'images/menu_border_on.jpg'
	}
	else
	{
		top.frames['menu'].document.images['menu_macros'].src = 'images/menu_macros_off.jpg'
		top.frames['menu'].document.images['menu_macros_border'].src = 'images/menu_border_off.jpg'
	}

	if (LoadedFilename == 'requirements.html')
	{
		top.frames['menu'].document.images['menu_requirements'].src = 'images/menu_requirements_on.jpg'
		top.frames['menu'].document.images['menu_requirements_border'].src = 'images/menu_border_on.jpg'
	}
	else
	{
		top.frames['menu'].document.images['menu_requirements'].src = 'images/menu_requirements_off.jpg'
		top.frames['menu'].document.images['menu_requirements_border'].src = 'images/menu_border_off.jpg'
	}
}