function newImage(arg) {
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		return rslt;
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}

function changeImages() {
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			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
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}

var preloadFlag = false;
function preloadImages() {
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		health_promotion_01_ImageMap_01_over = newImage("http://www.hlthss.gov.nt.ca/images/health/health_promotion_01-over.gif");
		immunization_01_ImageMap_01_over = newImage("http://www.hlthss.gov.nt.ca/images/health/immunization_01-over.gif");
		homecare_01_ImageMap_01_over = newImage("http://www.hlthss.gov.nt.ca/images/health/homecare_01-ImageMap_01_ove.gif");
		environmental_health_01_over = newImage("http://www.hlthss.gov.nt.ca/images/health/environmental_health_01-ove.gif");
		telecare_nwt_01_ImageMap_01_over = newImage("http://www.hlthss.gov.nt.ca/images/telecare_nwt_01-ImageMap_01.jpg");
		faq_health_01_over = newImage("http://www.hlthss.gov.nt.ca/images/health/faq_health_01-over.gif");
		immunization_week_01_over = newImage("http://www.hlthss.gov.nt.ca/images/health/featured_items/immunization_week_01_over.gif");
		walk_in_flu_clinic_01_over = newImage("http://www.hlthss.gov.nt.ca/images/health/featured_items/walk_in_flu_clinic_01-over.gif");
		sick_over = newImage("http://www.hlthss.gov.nt.ca/images/health/sick_over.gif");
		professional_licensing_over = newImage("http://www.hlthss.gov.nt.ca/images/health/professional_licensing_over.gif");
		sti_over = newImage("http://www.hlthss.gov.nt.ca/images/health/featured_items/sti_over.jpg");
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		air_quality_over = newImage("http://www.hlthss.gov.nt.ca/images/health/featured_items/air_quality_over.jpg");
		organ_donation_over = newImage("http://www.hlthss.gov.nt.ca/images/health/featured_items/organ_donation_over.jpg");
		nwt_health_guide_over = newImage("http://www.hlthss.gov.nt.ca/images/health/featured_items/nwt_health_guide_over.jpg");
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}