function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}
	
	function changeImages() {
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			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
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}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
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		nav_org_Members_over = newImage("../../images/nav-org_Members-over.gif");
		nav_org_Services_over = newImage("../../images/nav-org_Services-over.gif");
		nav_org_Partnerships_over = newImage("../../images/nav-org_Partnerships-over.gif");
		nav_org_NewsArchives_over = newImage("../../images/nav-org_NewsArchives-over.gif");
		nav_dev_CLP_over = newImage("../../images/nav-dev_CLP-over.gif");
		nav_dev_Directory_over = newImage("../../images/nav-dev_Directory-over.gif");
		nav_dev_DiscussionGroups_over = newImage("../../images/nav-dev_Discussion-over.gif");
		nav_dev_Committees_over = newImage("../../images/nav-dev_Committees-over.gif");
		nav_dev_Jobs_over = newImage("../../images/nav-dev_Jobs-over.gif");
		nav_sharing_MyLibService_over = newImage("../../images/nav-sharing_MyLibService-over.gif");
		nav_sharing_MiServBiblio_over = newImage("../../images/nav-sharing_MiServBiblio-over.gif");
		nav_sharing_LCP_over = newImage("../../images/nav-sharing_LCP-over.gif");
		nav_sharing_SpCollections_over = newImage("../../images/nav-sharing_SpCollections-over.gif");
		preloadFlag = true;
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}