if (document.images) {           
	menu1on = new Image();
	menu1on.src = "/images/header/technology_on.gif";
	menu1off = new Image();
	menu1off.src = "/images/header/technology_off.gif";

	menu2on = new Image();
	menu2on.src = "/images/header/solution_on.gif";
	menu2off = new Image();
	menu2off.src = "/images/header/solution_off.gif";

	menu3on = new Image();
	menu3on.src = "/images/header/partners_on.gif";
	menu3off = new Image();
	menu3off.src = "/images/header/partners_off.gif";

	menu4on = new Image();
	menu4on.src = "/images/header/about_on.gif";
	menu4off = new Image();
	menu4off.src = "/images/header/about_off.gif";

	menu5on = new Image();
	menu5on.src = "/images/header/press_on.gif";
	menu5off = new Image();
	menu5off.src = "/images/header/press_off.gif";

	menu6on = new Image();
	menu6on.src = "/images/header/support_on.gif";
	menu6off = new Image();
	menu6off.src = "/images/header/support_off.gif";

	menu7on = new Image();
	menu7on.src = "/images/header/contact_on.gif";
	menu7off = new Image();
	menu7off.src = "/images/header/contact_off.gif";

	menu8on = new Image();
	menu8on.src = "/images/header/global_on.gif";
	menu8off = new Image();
	menu8off.src = "/images/header/global_off.gif";
}