Image0 = new Image
Image0.src = "image/plan.gif"

Image1 = new Image
Image1.src = "image/plan_1.gif"

Image2 = new Image
Image2.src = "image/plan_2.gif"

Image3 = new Image
Image3.src = "image/plan_3.gif"

Image4 = new Image
Image4.src = "image/plan_4.gif"

Image5 = new Image
Image5.src = "image/plan_5.gif"

Image6 = new Image
Image6.src = "image/plan_6.gif"


function original() {
document.rollplan.src = Image0.src; return true;
}

function lightOne() {
document.rollplan.src = Image1.src; return true;
}

function lightTwo() {
document.rollplan.src = Image2.src; return true;
}

function lightThree() {
document.rollplan.src = Image3.src; return true;
}

function lightFour() {
document.rollplan.src = Image4.src; return true;
}

function lightFive() {
document.rollplan.src = Image5.src; return true;
}

function lightSix() {
document.rollplan.src = Image6.src; return true;
}