if (document.images) {
				
	aboutbuttonover       		= new Image();
	aboutbuttonover.src   		= "../_images/mainmenu/about_high.gif";
	aboutbuttonout    			= new Image();
	aboutbuttonout.src 			= "../_images/mainmenu/about.gif";
	
	energybuttonover       		= new Image();
	energybuttonover.src   		= "../_images/mainmenu/ernergy_high.gif";
	energybuttonout    			= new Image();
	energybuttonout.src 		= "../_images/mainmenu/ernergy.gif";
	
	offerbuttonover       		= new Image();
	offerbuttonover.src   		= "../_images/mainmenu/offer_high.gif";
	offerbuttonout    			= new Image();
	offerbuttonout.src 			= "../_images/mainmenu/offer.gif";
	
	roadshowbuttonover      	= new Image();
	roadshowbuttonover.src  	= "../_images/mainmenu/roadshows_high.gif";
	roadshowbuttonout    		= new Image();
	roadshowbuttonout.src 	= "../_images/mainmenu/roadshows.gif";
	
	pressbuttonover       		= new Image();
	pressbuttonover.src   		= "../_images/mainmenu/press_high.gif";
	pressbuttonout    			= new Image();
	pressbuttonout.src 			= "../_images/mainmenu/press.gif";
	
	contactbuttonover       	= new Image();
	contactbuttonover.src   	= "../_images/mainmenu/contact_high.gif";
	contactbuttonout    		= new Image();
	contactbuttonout.src 		= "../_images/mainmenu/contact.gif";
	
	spacerbuttonover       		= new Image();
	spacerbuttonover.src   		= "../_images/mainmenu/menu_spacer_hi.gif";
	spacerbuttonout    			= new Image();
	spacerbuttonout.src 		= "../_images/mainmenu/menu_spacer.gif";
}