//Preload and name all rollover images
if (document.images) {
billboard = new Image(138,100);
billboard.src = "images/navmsg-off.gif";
arrow = new Image(22,264);
arrow.src = "images/navarw-off.gif";
nav_button_1 = new Image(16,16);
nav_button_1.src = "images/nav1a-off.gif";
nav_button_2 = new Image(16,16);
nav_button_2.src = "images/nav1a-off.gif";
nav_button_3 = new Image(16,16);
nav_button_3.src = "images/nav1a-off.gif";
nav_button_4 = new Image(16,16);
nav_button_4.src = "images/nav1a-off.gif";
nav_button_5 = new Image(16,16);
nav_button_5.src = "images/nav1a-off.gif";
nav_button_6 = new Image(16,16);
nav_button_6.src = "images/nav1a-off.gif";
nav_button_7 = new Image(16,16);
nav_button_7.src = "images/nav1a-off.gif";
nav_button_8 = new Image(16,16);
nav_button_8.src = "images/nav1a-off.gif";
nav_button_9 = new Image(16,16);
nav_button_9.src = "images/nav1a-off.gif";
nav_button_10 = new Image(16,16);
nav_button_10.src = "images/nav1a-off.gif";
nav_button_11 = new Image(161,18);
nav_button_11.src = "images/nav1a-off.gif";
nav_button_12 = new Image(161,18);
nav_button_12.src = "images/nav1a-off.gif";
nav_button_13 = new Image(161,18);
nav_button_13.src = "images/nav1a-off.gif";
red_button_1 = new Image(15,27);
red_button_1.src = "images/arrow-off.gif";
red_button_2 = new Image(15,27);
red_button_2.src = "images/arrow-off.gif";
red_button_3 = new Image(15,27);
red_button_3.src = "images/arrow-off.gif";
red_button_4 = new Image(15,27);
red_button_4.src = "images/arrow-off.gif";
red_button_5 = new Image(15,27);
red_button_5.src = "images/arrow-off.gif";
red_button_6 = new Image(15,27);
red_button_6.src = "images/arrow-off.gif";
red_button_7 = new Image(15,27);
red_button_7.src = "images/arrow-off.gif";
red_button_8 = new Image(15,27);
red_button_8.src = "images/arrow-off.gif";
red_button_9 = new Image(15,27);
red_button_9.src = "images/arrow-off.gif";
red_button_10 = new Image(15,27);
red_button_10.src = "images/arrow-off.gif";
red_button_11 = new Image(15,27);
red_button_11.src = "images/arrow-off.gif";
red_button_12 = new Image(15,27);
red_button_12.src = "images/arrow-off.gif";
red_button_13 = new Image(15,27);
red_button_13.src = "images/arrow-off.gif";
red_button_14 = new Image(15,27);
red_button_14.src = "images/arrow-off.gif";
red_button_15 = new Image(15,27);
red_button_15.src = "images/arrow-off.gif";
red_button_16 = new Image(15,27);
red_button_16.src = "images/arrow-off.gif";
ms_logo = new Image(161,60);
ms_logo.src = "images/microsoft-logo-1.gif";
cisco_logo = new Image(161,65);
cisco_logo.src = "images/cisco-logo-1.gif";
unix_logos = new Image(161,53);
unix_logos.src = "images/apple-linux-solaris-1.gif";
apple_logo = new Image(161,60);
apple_logo.src = "images/apple-logo-1.gif";
linux_logo = new Image(161,60);
linux_logo.src = "images/linux-solaris-1.gif";
firewall_logo = new Image(161,77);
firewall_logo.src = "images/firewall-vpn-1.gif";
accept_button = new Image(111,22);
accept_button.src = "images/accept-button.gif";
accept_not_button = new Image(111,22);
accept_not_button.src = "images/accept-not-button.gif";
billboard_1_on = new Image(138,82);
billboard_1_on.src = "images/navmsg1.gif";
billboard_2_on = new Image(138,82);
billboard_2_on.src = "images/navmsg2.gif";
billboard_3_on = new Image(138,82);
billboard_3_on.src = "images/navmsg3.gif";
billboard_4_on = new Image(138,82);
billboard_4_on.src = "images/navmsg4.gif";
billboard_5_on = new Image(138,82);
billboard_5_on.src = "images/navmsg5.gif";
billboard_6_on = new Image(138,82);
billboard_6_on.src = "images/navmsg6.gif";
billboard_7_on = new Image(138,82);
billboard_7_on.src = "images/navmsg7.gif";
billboard_8_on = new Image(138,82);
billboard_8_on.src = "images/navmsg8.gif";
billboard_9_on = new Image(138,82);
billboard_9_on.src = "images/navmsg9.gif";
billboard_10_on = new Image(138,82);
billboard_10_on.src = "images/navmsg10.gif";
billboard_11_on = new Image(138,82);
billboard_11_on.src = "images/navmsg11.gif";
billboard_12_on = new Image(138,82);
billboard_12_on.src = "images/navmsg12.gif";
billboard_13_on = new Image(138,82);
billboard_13_on.src = "images/navmsg13.gif";
billboard_28_on = new Image(138,82);
billboard_28_on.src = "images/navmsg28.gif";
arrow_1 = new Image(22,282);
arrow_1.src = "images/navarw1a.gif";
arrow_2 = new Image(22,282);
arrow_2.src = "images/navarw2a.gif";
arrow_3 = new Image(22,282);
arrow_3.src = "images/navarw3a.gif";
arrow_4 = new Image(22,282);
arrow_4.src = "images/navarw4a.gif";
arrow_5 = new Image(22,282);
arrow_5.src = "images/navarw5a.gif";
arrow_6 = new Image(22,282);
arrow_6.src = "images/navarw6a.gif";
arrow_7 = new Image(22,282);
arrow_7.src = "images/navarw7a.gif";
arrow_8 = new Image(22,282);
arrow_8.src = "images/navarw8a.gif";
arrow_9 = new Image(22,282);
arrow_9.src = "images/navarw9a.gif";
arrow_10 = new Image(22,282);
arrow_10.src = "images/navarw10a.gif";
arrow_11 = new Image(22,282);
arrow_11.src = "images/navarw11a.gif";
arrow_12 = new Image(22,282);
arrow_12.src = "images/navarw12a.gif";
arrow_13 = new Image(22,282);
arrow_13.src = "images/navarw13a.gif";
nav_button_1_on = new Image(16,16);
nav_button_1_on.src = "images/nav1a-on.gif";
nav_button_2_on = new Image(16,16);
nav_button_2_on.src = "images/nav1a-on.gif";
nav_button_3_on = new Image(16,16);
nav_button_3_on.src = "images/nav1a-on.gif";
nav_button_4_on = new Image(16,16);
nav_button_4_on.src = "images/nav1a-on.gif";
nav_button_5_on = new Image(16,16);
nav_button_5_on.src = "images/nav1a-on.gif";
nav_button_6_on = new Image(16,16);
nav_button_6_on.src = "images/nav1a-on.gif";
nav_button_7_on = new Image(16,16);
nav_button_7_on.src = "images/nav1a-on.gif";
nav_button_8_on = new Image(16,16);
nav_button_8_on.src = "images/nav1a-on.gif";
nav_button_9_on = new Image(16,16);
nav_button_9_on.src = "images/nav1a-on.gif";
nav_button_10_on = new Image(16,16);
nav_button_10_on.src = "images/nav1a-on.gif";
nav_button_11_on = new Image(161,18);
nav_button_11_on.src = "images/nav1a-on.gif";
nav_button_12_on = new Image(161,18);
nav_button_12_on.src = "images/nav1a-on.gif";
nav_button_13_on = new Image(161,18);
nav_button_13_on.src = "images/nav1a-on.gif";
red_button_1_on = new Image(15,27);
red_button_1_on.src = "images/arrow-on.gif";
red_button_2_on = new Image(15,27);
red_button_2_on.src = "images/arrow-on.gif";
red_button_3_on = new Image(15,27);
red_button_3_on.src = "images/arrow-on.gif";
red_button_4_on = new Image(15,27);
red_button_4_on.src = "images/arrow-on.gif";
red_button_5_on = new Image(15,27);
red_button_5_on.src = "images/arrow-on.gif";
red_button_6_on = new Image(15,27);
red_button_6_on.src = "images/arrow-on.gif";
red_button_7_on = new Image(15,27);
red_button_7_on.src = "images/arrow-on.gif";
red_button_8_on = new Image(15,27);
red_button_8_on.src = "images/arrow-on.gif";
red_button_9_on = new Image(15,27);
red_button_9_on.src = "images/arrow-on.gif";
red_button_10_on = new Image(15,27);
red_button_10_on.src = "images/arrow-on.gif";
red_button_11_on = new Image(15,27);
red_button_11_on.src = "images/arrow-on.gif";
red_button_12_on = new Image(15,27);
red_button_12_on.src = "images/arrow-on.gif";
red_button_13_on = new Image(15,27);
red_button_13_on.src = "images/arrow-on.gif";
red_button_14_on = new Image(15,27);
red_button_14_on.src = "images/arrow-on.gif";
red_button_15_on = new Image(15,27);
red_button_15_on.src = "images/arrow-on.gif";
red_button_16_on = new Image(15,27);
red_button_16_on.src = "images/arrow-on.gif";
ms_logo_on = new Image(161,60);
ms_logo_on.src = "images/microsoft-logo-on.gif";
cisco_logo_on = new Image(161,65);
cisco_logo_on.src = "images/cisco-logo-on.gif";
unix_logos_on = new Image(161,53);
unix_logos_on.src = "images/apple-linux-solaris-on.gif";
apple_logo_on = new Image(161,60);
apple_logo_on.src = "images/apple-logo-on.gif";
linux_logo_on = new Image(161,60);
linux_logo_on.src = "images/linux-solaris-on.gif";
firewall_logo_on = new Image(161,77);
firewall_logo_on.src = "images/firewall-vpn-on.gif";
accept_button_on = new Image(111,22);
accept_button_on.src = "images/accept-button-over.gif";
accept_not_button_on = new Image(111,22);
accept_not_button_on.src = "images/accept-not-button-over.gif";
}

//Event can change up to three images. Pass 0 if no second or third image.
//Image names must match name in function. 
function rollover(PrimaryImgName,imgObjName1,imgObjName2,imgObjName3) {
	if (document.images) {
	document.images[PrimaryImgName].src = eval(imgObjName1 + ".src");
	if (imgObjName2 == "0") {return};
	document.images["ServiceDescription"].src = eval(imgObjName2 + ".src");
	if (imgObjName3 == "0") {return};
	document.images["ArrowDescription"].src = eval(imgObjName3 + ".src");
}}