function init() {
	createRollOver("global_nav_1",["off","http://www.presbyterian.org/images/globalnavbar/about_us_off.gif","on","http://www.presbyterian.org/images/globalnavbar/about_us_on.gif"]);
	createRollOver("global_nav_2",["off","http://www.presbyterian.org/images/globalnavbar/patients_visitors_off.gif","on","http://www.presbyterian.org/images/globalnavbar/patients_visitors_on.gif"]);
	createRollOver("global_nav_3",["off","http://www.presbyterian.org/images/globalnavbar/health_services_off.gif","on","http://www.presbyterian.org/images/globalnavbar/health_services_on.gif"]);
	createRollOver("global_nav_4",["off","http://www.presbyterian.org/images/globalnavbar/health_library_off.gif","on","http://www.presbyterian.org/images/globalnavbar/health_library_on.gif"]);
	createRollOver("global_nav_5",["off","http://www.presbyterian.org/images/globalnavbar/job_information_off.gif","on","http://www.presbyterian.org/images/globalnavbar/job_information_on.gif"]);
	createRollOver("global_nav_6",["off","http://www.presbyterian.org/images/globalnavbar/newsroom_off.gif","on","http://www.presbyterian.org/images/globalnavbar/newsroom_on.gif"]);
	createRollOver("global_nav_7",["off","http://www.presbyterian.org/images/globalnavbar/foundation_off.gif","on","http://www.presbyterian.org/images/globalnavbar/foundation_on.gif"]);

	rollOversReady = true;
}