// rollover functions

var nn4 = (document.layers) ? 1 : 0;
var ie4 = (document.all) ? 1 : 0;
var ver4 = (nn4 || ie4) ? 1 : 0;

function pn_item (img_name, width, height) {
	img_str = "images/bar/" + img_name;

	this.img_name_off = new Image (width, height);
	this.img_name_off.src = img_str + "_off.gif";
	this.img_name_on = new Image (width, height);
	this.img_name_on.src = img_str + "_on.gif";
}

function new_pn_item (img_name, width, height) {
	pn_item [img_name] = new pn_item (img_name, width, height);
}

function pn_over (img_name) {
	if (ver4) {
		document.images[img_name].src = pn_item[img_name].img_name_on.src;
	}
}

function pn_out (img_name) {
	if (ver4) {
		document.images[img_name].src = pn_item [img_name].img_name_off.src;
	}
}

if (ver4) {
	new_pn_item ("home", 140, 22);
	new_pn_item ("howt", 140, 22);
	new_pn_item ("whyw", 140, 21);
	new_pn_item ("trmh", 140, 21);
	new_pn_item ("devs", 140, 23);
	new_pn_item ("ordf", 140, 21);

	new_pn_item ("faqs", 140, 23);
	new_pn_item ("htip", 140, 21);
	new_pn_item ("tstm", 140, 23);
	new_pn_item ("hcrp", 140, 21);

	new_pn_item ("fcdo", 140, 23);
	new_pn_item ("link", 140, 21);
	new_pn_item ("ctus", 140, 23);
}