<!--

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) {
				nav1_over = newImage("images/nav1_over.gif");
				nav2_over = newImage("images/nav2_over.gif");
				nav3_over = newImage("images/nav3_over.gif");
				nav4_over = newImage("images/nav4_over.gif");
				nav5_over = newImage("images/nav5_over.gif");
		
				preloadFlag = true;}

}

//-->