if (document.images) {
	// Preload Terc Navigation
	tercnav1a=new Image; tercnav1a.src="images/terc_vsm_eng1.gif";
	tercnav1b=new Image; tercnav1b.src="images/terc_vsm_eng2.gif";

	tercnav2a=new Image; tercnav2a.src="images/terc_eng_design1.gif";
	tercnav2b=new Image; tercnav2b.src="images/terc_eng_design2.gif";
	
	tercnav3a=new Image; tercnav3a.src="images/terc_eng_rohs.gif";
	tercnav3b=new Image; tercnav3b.src="images/terc_eng_rohs2.gif";
}