function preloadImages() 
{
	if (document.images)
	{ 
		butt1on = new Image;
		butt1on.src = "graphics/red_startseite.gif";
		butt1off = new Image;
		butt1off.src = "graphics/startseite.gif";

		butt2on = new Image;
		butt2on.src = "graphics/red_wirueberuns.gif";
		butt2off = new Image;
		butt2off.src = "graphics/wirueberuns.gif";

		butt3on = new Image;
		butt3on.src = "graphics/red_cncfertigung.gif";
		butt3off = new Image;
		butt3off.src = "graphics/cncfertigung.gif";

		butt4on = new Image;
		butt4on.src = "graphics/red_maschinen.gif";
		butt4off = new Image;
		butt4off.src = "graphics/maschinen.gif";

		butt5on = new Image;
		butt5on.src = "graphics/red_produkte.gif";
		butt5off = new Image;
		butt5off.src = "graphics/produkte.gif";

		butt6on = new Image;
		butt6on.src = "graphics/red_referenzen.gif";
		butt6off = new Image;
		butt6off.src = "graphics/referenzen.gif";

		butt7on = new Image;
		butt7on.src = "graphics/red_anfahrt.gif";
		butt7off = new Image;
		butt7off.src = "graphics/anfahrt.gif";

		butt8on = new Image;
		butt8on.src = "graphics/red_kontakt.gif";
		butt8off = new Image;
		butt8off.src = "graphics/kontakt.gif";

		butt9on = new Image;
		butt9on.src = "graphics/red_impressum.gif";
		butt9off = new Image;
		butt9off.src = "graphics/impressum.gif";
	}
}

//##############################################################################################
function ToggleButton(Off,ImgName)
{
	if (Off)
	{
		document[ImgName].src = eval(ImgName + "off.src");
	}
	else
	{
		document[ImgName].src = eval(ImgName + "on.src");
	}
}