function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		ui_header_08_7 = newImage("image/ui-header_08_7.gif");
		ui_header_09_8 = newImage("image/ui-header_09_8.gif");
		ui_nav_home_9 = newImage("image/ui-nav-home_9.gif");
		ui_nav_gardeninfo_10 = newImage("image/ui-nav-gardeninfo_10.gif");
		ui_nav_ratenurseries_11 = newImage("image/ui-nav-ratenurseries_11.gif");
		ui_nav_currentratings_12 = newImage("image/ui-nav-currentratings_12.gif");
		ui_nav_plantLibrary_13 = newImage("image/ui-nav-plantLibrary_13.gif");
		ui_nav_findaplant_14 = newImage("image/ui-nav-findaplant_14.gif");
		ui_nav_gardeningquestions_15 = newImage("image/ui-nav-gardeningquestions_1.gif");
		ui_nav_comments_16 = newImage("image/ui-nav-comments_16.gif");
		preloadFlag = true;
	}
}