if (document.images) 
{
//Top Global Nav
thecityOff = new Image();
thecityOff.src = "http://www.sandiego.gov/global/graphics/thecity.gif";
thecityOn = new Image();
thecityOn.src = "http://www.sandiego.gov/global/graphics/thecityover.gif";
homeOff = new Image();
homeOff.src = "http://www.sandiego.gov/global/graphics/home.gif";
homeOn = new Image();
homeOn.src = "http://www.sandiego.gov/global/graphics/homeover.gif";
contactOff = new Image();
contactOff.src = "http://www.sandiego.gov/global/graphics/contact.gif";
contactOn = new Image();
contactOn.src = "http://www.sandiego.gov/global/graphics/contactover.gif";
investordisclaimerOff = new Image();
investordisclaimerOff.src = "http://www.sandiego.gov/global/graphics/investordisclaimer.gif";
investordisclaimerOn = new Image();
investordisclaimerOn.src = "http://www.sandiego.gov/global/graphics/investordisclaimerover.gif";
sdgatewayiconOff = new Image();
sdgatewayiconOff.src = "http://www.sandiego.gov/global/graphics/sdgatewayicon.gif";
sdgatewayiconOn = new Image();
sdgatewayiconOn.src = "http://www.sandiego.gov/global/graphics/sdgatewayiconover.gif";
//Bottom Global Nav
businessOff = new Image();
businessOff.src = "http://www.sandiego.gov/global/graphics/business.gif";
businessOn = new Image();
businessOn.src = "http://www.sandiego.gov/global/graphics/businessover.gif";
cityhallOff = new Image();
cityhallOff.src = "http://www.sandiego.gov/global/graphics/cityhall.gif";
cityhallOn = new Image();
cityhallOn.src = "http://www.sandiego.gov/global/graphics/cityhallover.gif";
communityOff = new Image();
communityOff.src = "http://www.sandiego.gov/global/graphics/community.gif";
communityOn = new Image();
communityOn.src = "http://www.sandiego.gov/global/graphics/communityover.gif";
departmentsOff = new Image();
departmentsOff.src = "http://www.sandiego.gov/global/graphics/departments.gif";
departmentsOn = new Image();
departmentsOn.src = "http://www.sandiego.gov/global/graphics/departmentsover.gif";
informationOff = new Image();
informationOff.src = "http://www.sandiego.gov/global/graphics/information.gif";
informationOn = new Image();
informationOn.src = "http://www.sandiego.gov/global/graphics/informationover.gif";
leisureOff = new Image();
leisureOff.src = "http://www.sandiego.gov/global/graphics/leisure.gif";
leisureOn = new Image();
leisureOn.src = "http://www.sandiego.gov/global/graphics/leisureover.gif";
servicesOff = new Image();
servicesOff.src = "http://www.sandiego.gov/global/graphics/services.gif";
servicesOn = new Image();
servicesOn.src = "http://www.sandiego.gov/global/graphics/servicesover.gif";
visitingOff = new Image();
visitingOff.src = "http://www.sandiego.gov/global/graphics/visiting.gif";
visitingOn = new Image();
visitingOn.src = "http://www.sandiego.gov/global/graphics/visitingover.gif";
//search
searchOff = new Image();
searchOff.src = "http://www.sandiego.gov/global/graphics/search.gif";
searchOn = new Image();
searchOn.src = "http://www.sandiego.gov/global/graphics/searchover.gif";
//Footer
sitemapOff = new Image();
sitemapOff.src = "http://www.sandiego.gov/global/graphics/sitemap.gif";
sitemapOn = new Image();
sitemapOn.src = "http://www.sandiego.gov/global/graphics/sitemapover.gif";
privacyOff = new Image();
privacyOff.src = "http://www.sandiego.gov/global/graphics/privacy.gif";
privacyOn = new Image();
privacyOn.src = "http://www.sandiego.gov/global/graphics/privacyover.gif";
disclaimersOff = new Image();
disclaimersOff.src = "http://www.sandiego.gov/global/graphics/disclaimers.gif";
disclaimersOn = new Image();
disclaimersOn.src = "http://www.sandiego.gov/global/graphics/disclaimersover.gif";
}