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

function changeImages(ban) {
	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) {
		bt_e_over = newImage("/image/bt-e_over.gif");
		bt_o_over = newImage("/image/bt-o_over.gif");
		bt_l_over = newImage("/image/bt-l_over.gif");
		bt_v_over = newImage("/image/bt-v_over.gif");
		bt_s_over = newImage("/image/bt-s_over.gif");
		bt_t_over = newImage("/image/bt-t_over.gif");
		bt_b_over = newImage("/image/bt-b_over.gif");
		sec_on = newImage("/image/sec-on.gif");
		sec_off = newImage("/image/sec-off.gif");
		preloadFlag = true;
		if (section){
			changeImages('sec-' + section, '/image/sec-on.gif');
		}
	}
}

function resizeIt(){
	if (section){
		changeImages('sec-' + section, '/image/sec-on.gif');
	}
}