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) {
		HOME_over = newImage("images/HOME-over.gif");
		ATTORNEYS_over = newImage("images/ATTORNEYS-over.gif");
		FIRM_PROFILE_over = newImage("images/FIRM-PROFILE-over.gif");
		PRACTICE_AREAS_over = newImage("images/PRACTICE-AREAS-over.gif");
		CASE_STUDIES_over = newImage("images/CASE-STUDIES-over.gif");
		preloadFlag = true;
	}
}