if (document.images) {
	roll_01_on = new Image();				// Active Images
	roll_01_on.src ="../images/nav/about_mo.gif";
	roll_02_on = new Image();
	roll_02_on.src ="../images/nav/facility_mo.gif";
	roll_03_on = new Image();
	roll_03_on.src ="../images/nav/membership_mo.gif";
	roll_04_on = new Image();
	roll_04_on.src ="../images/nav/aquatics_mo.gif";
	roll_05_on = new Image();
	roll_05_on.src ="../images/nav/fitness_mo.gif";
	roll_06_on = new Image();
	roll_06_on.src ="../images/nav/childcare_mo.gif";
	roll_07_on = new Image();
	roll_07_on.src ="../images/nav/summer_mo.gif";
	roll_08_on = new Image();
	roll_08_on.src ="../images/nav/recreation_mo.gif";
	roll_09_on = new Image();
	roll_09_on.src ="../images/nav/arts_mo.gif";
	roll_10_on = new Image();
	roll_10_on.src ="../images/nav/special_mo.gif";
	roll_11_on = new Image();
	roll_11_on.src ="../images/nav/support_mo.gif";
	roll_12_on = new Image();
	roll_12_on.src ="../images/nav/links_mo.gif";
	roll_13_on = new Image();
	roll_13_on.src ="../images/nav/contact_mo.gif";
	roll_14_on = new Image();
	roll_14_on.src ="../images/nav/gymnasium_mo.gif";
	roll_15_on = new Image();
	roll_15_on.src ="../images/nav/yarts_mo.gif";
	roll_16_on = new Image();
	roll_16_on.src ="../images/nav/upcoming_mo.gif";
		roll_17_on = new Image();
	roll_17_on.src ="../images/nav/karate_mo.gif";
	roll_18_on = new Image();
	roll_18_on.src ="../images/nav/employment_mo.gif";
roll_19_on = new Image();
	roll_19_on.src ="../images/nav/parties_mo.gif";
	roll_20_on = new Image();
	roll_20_on.src ="../images/nav/nextgeneration_mo.gif";
	roll_21_on = new Image();
	roll_21_on.src ="../images/nav/adult_leagues_mo.gif";
	roll_22_on = new Image();
	roll_22_on.src ="../images/nav/childrens_league_mo.gif";
	roll_23_on = new Image();
	roll_23_on.src ="../images/nav/triathlon_mo.gif";
	
	roll_01_off = new Image();				// Inactive Images
	roll_01_off.src ="../images/nav/about.gif";
	roll_02_off = new Image();
	roll_02_off.src ="../images/nav/facility.gif";
	roll_03_off = new Image();
	roll_03_off.src ="../images/nav/membership.gif";
	roll_04_off = new Image();
	roll_04_off.src ="../images/nav/aquatics.gif";
	roll_05_off = new Image();
	roll_05_off.src ="../images/nav/fitness.gif";
	roll_06_off = new Image();
	roll_06_off.src ="../images/nav/childcare.gif";
	roll_07_off = new Image();
	roll_07_off.src ="../images/nav/summer.gif";
	roll_08_off = new Image();
	roll_08_off.src ="../images/nav/recreation.gif";
	roll_09_off = new Image();
	roll_09_off.src ="../images/nav/arts.gif";
	roll_10_off = new Image();
	roll_10_off.src ="../images/nav/special.gif";
	roll_11_off = new Image();
	roll_11_off.src ="../images/nav/support.gif";
	roll_12_off = new Image();
	roll_12_off.src ="../images/nav/links.gif";
	roll_13_off = new Image();
	roll_13_off.src ="../images/nav/contact.gif";
	roll_14_off = new Image();
	roll_14_off.src ="../images/nav/gymnasium.gif";
	roll_15_off = new Image();
	roll_15_off.src ="../images/nav/yarts.gif";
	roll_16_off = new Image();
	roll_16_off.src ="../images/nav/upcoming.gif";	
		roll_17_off = new Image();
	roll_17_off.src ="../images/nav/karate.gif";	
	roll_18_off = new Image();
	roll_18_off.src ="../images/nav/employment.gif";
	roll_19_off = new Image();
	roll_19_off.src ="../images/nav/parties.gif";
	roll_20_off = new Image();
	roll_20_off.src ="../images/nav/nextgeneration.gif";
	roll_21_off = new Image();
	roll_21_off.src ="../images/nav/adult_leagues.gif";
	roll_22_off = new Image();
	roll_22_off.src ="../images/nav/childrens_league.gif";
	roll_23_off = new Image();
	roll_23_off.src ="../images/nav/triathlon.gif";
}

// Function to 'activate' images.
function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_on.src");
	}
}

// Function to 'deactivate' images.
function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_off.src");
	}
}