btn_home_off = new Image(139,18);
btn_home_off.src = "images/btn_home_off.gif"
btn_who_off = new Image(139,18);
btn_who_off.src = "images/btn_who_off.gif"
btn_ticket_off = new Image(139,18);
btn_ticket_off.src = "images/btn_ticket_off.gif"
btn_insurance_off = new Image(139,28);
btn_insurance_off.src = "images/btn_insurance_off.gif"
btn_faq_off = new Image(139,18);
btn_faq_off.src = "images/btn_faq_off.gif"
btn_outline_off = new Image(139,18);
btn_outline_off.src = "images/btn_outline_off.gif"
btn_register_off = new Image(139,18);
btn_register_off.src = "images/btn_register_off.gif"
btn_course_off = new Image(139,18);
btn_course_off.src = "images/btn_course_off.gif"

btn_home_on = new Image(139,18);
btn_home_on.src = "images/btn_home_on.gif"
btn_who_on = new Image(139,18);
btn_who_on.src = "images/btn_who_on.gif"
btn_ticket_on = new Image(139,18);
btn_ticket_on.src = "images/btn_ticket_on.gif"
btn_insurance_on = new Image(139,28);
btn_insurance_on.src = "images/btn_insurance_on.gif"
btn_faq_on = new Image(139,18);
btn_faq_on.src = "images/btn_faq_on.gif"
btn_outline_on = new Image(139,18);
btn_outline_on.src = "images/btn_outline_on.gif"
btn_register_on = new Image(139,18);
btn_register_on.src = "images/btn_register_on.gif"
btn_course_on = new Image(139,18);
btn_course_on.src = "images/btn_course_on.gif"

function rOn(imgName) {
	document.images[imgName].src = eval("btn_" + imgName + "_on.src");
}

function rOff(imgName) {
	document.images[imgName].src = eval("btn_" + imgName + "_off.src");
}