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


if (document.images) {

	home_on = newImage("img/home_on.jpg");
	about_on = newImage("img/about_on.jpg");
	itshere_on = newImage("img/itshere_on.jpg");
	join_on = newImage("img/join_on.jpg");
	hospital_on = newImage("img/hospital_on.jpg");
	lifeline_on = newImage("img/lifeline_on.jpg");
	espanol_on = newImage("img/espanol_on.jpg");

	home_off = newImage("img/home.jpg");
	about_off = newImage("img/about.jpg");
	itshere_off = newImage("img/itshere.jpg");
	join_off = newImage("img/join.jpg");
	hospital_off = newImage("img/hospital.jpg");
	lifeline_off = newImage("img/lifeline.jpg");
	espanol_off = newImage("img/espanol.jpg");
}

function press(imgn_ame) {
if (document.images) {
document[imgn_ame].src = eval(imgn_ame + "_on.src");
}
}

function release(imgn_ame) {
if (document.images) {
document[imgn_ame].src = eval(imgn_ame + "_off.src");
}
}