btn_off_freedemo = new Image;
btn_off_freedemo.src = "images/btn_off_freedemo.gif";
btn_off_faqs = new Image;
btn_off_faqs.src = "images/btn_off_faqs.gif";
btn_off_freetrial = new Image;
btn_off_freetrial.src = "images/btn_off_freetrial.gif";
btn_off_secure = new Image;
btn_off_secure.src = "images/btn_off_secure.gif";

btn_on_freedemo = new Image;
btn_on_freedemo.src = "images/btn_on_freedemo.gif";
btn_on_faqs = new Image;
btn_on_faqs.src = "images/btn_on_faqs.gif";
btn_on_freetrial = new Image;
btn_on_freetrial.src = "images/btn_on_freetrial.gif";
btn_on_secure = new Image;
btn_on_secure.src = "images/btn_on_secure.gif";

function roll_on(imgName) {
	document.images[imgName].src = eval("btn_on_" + imgName + ".src")
}

function roll_off(imgName) {
	document.images[imgName].src = eval("btn_off_" + imgName + ".src")
}