if (document.images) {
	missionOff = new Image
	missionHover = new Image
	teamOff = new Image
	teamHover = new Image
	sponsorsOff = new Image
	sponsorsHover = new Image
	contributionsOff = new Image
	contributionsHover = new Image
	contact_usOff = new Image
	contact_usHover = new Image

	missionOff.src = "images_about/tabs/mission_off.gif"
	missionHover.src = "images_about/tabs/mission_off_hover.gif"
	teamOff.src = "images_about/tabs/team_off.gif"
	teamHover.src = "images_about/tabs/team_off_hover.gif"
	sponsorsOff.src = "images_about/tabs/sponsors_off.gif"
	sponsorsHover.src = "images_about/tabs/sponsors_off_hover.gif"
	contributionsOff.src = "images_about/tabs/contributions_off.gif"
	contributionsHover.src = "images_about/tabs/contributions_off_hover.gif"
	contact_usOff.src = "images_about/tabs/contact_off.gif"
	contact_usHover.src = "images_about/tabs/contact_off_hover.gif"

}