browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion); 
if (browser_name == "Netscape" && browser_version >= 3.0) {
	roll = 'true';
} else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0) {
	roll = 'true';
} else {
	roll = 'false';
}
if (roll == 'true') {
	var imglist = new Array (
		"/pics/header_button_signup.gif",
		"/pics/header_button_signup_hover.gif",
		"/pics/header_button_login.gif",
		"/pics/header_button_login_hover.gif",
		"/pics/header_button_people.gif",
		"/pics/header_button_people_hover.gif",
		"/pics/header_button_music.gif",
		"/pics/header_button_music_hover.gif",
		"/pics/header_button_comedy.gif",
		"/pics/header_button_comedy_hover.gif",
		"/pics/header_button_authors.gif",
		"/pics/header_button_authors_hover.gif",
		"/pics/header_button_organizations.gif",
		"/pics/header_button_organizations_hover.gif",
		"/pics/header_button_groups.gif",
		"/pics/header_button_groups_hover.gif",
		"/pics/header_button_store.gif",
		"/pics/header_button_store_hover.gif",
		"/pics/profile_layout/load.png",
		"/pics/profile_layout/load_hover.png",
		"/pics/profile_layout/load_active.png",
		"/pics/profile_layout/save_profile.png",
		"/pics/profile_layout/save_profile_hover.png",
		"/pics/profile_layout/save_profile_active.png",
		"/pics/profile_layout/reset_colors.png",
		"/pics/profile_layout/reset_colors_hover.png",
		"/pics/profile_layout/reset_colors_active.png",
		"/pics/button_report_this_message.gif",
		"/pics/button_report_this_message_hover.gif",
		"/pics/button_report_this_page.gif",
		"/pics/button_report_this_page_hover.gif",
		"/pics/button_remove_customization.gif",
		"/pics/button_remove_customization_hover.gif"
	);
	var imgs = new Array();
	var count;
	if (document.images) {
 		for (count=0; count<imglist.length; count++) {
			imgs[count]=new Image();
			imgs[count].src=imglist[count];
		}
	}
}
function msover(img,ref) {
	if (roll == 'true') document.images[img].src = ref;
}
function msout(img,ref)  {
	if (roll == 'true') document.images[img].src = ref;
}