if (document.images) {


	nav0_on = new Image();
	nav0_on.src = "images/nav_none_on.gif";
	nav1_on = new Image();
	nav1_on.src = "images/nav_1_on.gif";
	nav2_on = new Image();
	nav2_on.src = "images/nav_2_on.gif";
	nav3_on = new Image();
	nav3_on.src = "images/nav_3_on.gif";
	nav4_on = new Image();
	nav4_on.src = "images/nav_4_on.gif";
	nav5_on = new Image();
	nav5_on.src = "images/nav_5_on.gif";
	nav6_on = new Image();
	nav6_on.src = "images/nav_6_on.gif";
	nav7_on = new Image();
	nav7_on.src = "images/nav_7_on.gif";
	
	cn1_off = new Image();
	cn1_off.src = "images/cn_home_off.gif";
	cn2_off = new Image();
	cn2_off.src = "images/cn_contact_off.gif";
	cn3_off = new Image();
	cn3_off.src = "images/cn_news_off.gif";
	cn4_off = new Image();
	cn4_off.src = "images/cn_faq_off.gif";

	cn1_on = new Image();
	cn1_on.src = "images/cn_home_on.gif";
	cn2_on = new Image();
	cn2_on.src = "images/cn_contact_on.gif";
	cn3_on = new Image();
	cn3_on.src = "images/cn_news_on.gif";
	cn4_on = new Image();
	cn4_on.src = "images/cn_faq_on.gif";

	}
	
function swap(imgname, filename) {
	if (document.images) {
	document [imgname].src = filename;
	}}