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) {
		left_about_over = newImage("/images/left_about_on.gif");
		left_boards_over = newImage("/images/left_boards_on.gif");
		left_email_over = newImage("/images/left_email_on.gif");
		left_faqs_over = newImage("/images/left_faqs_on.gif");
		left_home_over = newImage("/images/left_home_on.gif");
		left_login_over = newImage("/images/left_login_on.gif");
		left_privacy_over = newImage("/images/left_privacy_on.gif");
		left_refer_over = newImage("/images/left_refer_on.gif");
		left_register_over = newImage("/images/left_register_on.gif");
		left_search_over = newImage("/images/left_search_on.gif");
		left_stats_over = newImage("/images/left_stats_on.gif");
		left_submit_info_over = newImage("/images/left_submit_info_on.gif");
		top_home_over = newImage("/images/top_home_on.gif");
		top_register_over = newImage("/images/top_register_on.gif");
		top_login_over = newImage("/images/top_login_on.gif");
		top_search_over = newImage("/images/top_search_on.gif");
		top_boards_over = newImage("/images/top_boards_on.gif");
		top_email_over = newImage("/images/top_email_on.gif");
		preloadFlag = true;
	}
}