function rollIn(imageName) {
  if(!document.images) return;
  document.images[imageName].src = eval(imageName + "On.src");
}

function rollOut(imageName) {
  if(!document.images) return;
  document.images[imageName].src = eval(imageName + "Off.src");
}

var nav1On = new Image();
nav1On.src = "/img/nav_1pop_on.jpg";
var nav1Off = new Image();
nav1Off.src = "/img/nav_1pop_off.jpg";

var nav2On = new Image();
nav2On.src = "/img/nav_2po_on.jpg";
var nav2Off = new Image();
nav2Off.src = "/img/nav_2po_off.jpg";

var nav3On = new Image();
nav3On.src = "/img/nav_3pb_on.jpg";
var nav3Off = new Image();
nav3Off.src = "/img/nav_3pb_off.jpg";

var nav4On = new Image();
nav4On.src = "/img/nav_4so_on.jpg";
var nav4Off = new Image();
nav4Off.src = "/img/nav_4so_off.jpg";

var nav5On = new Image();
nav5On.src = "/img/nav_5voos_on.jpg";
var nav5Off = new Image();
nav5Off.src = "/img/nav_5voos_off.jpg";

var nav6On = new Image();
nav6On.src = "/img/nav_6iaf_on.jpg";
var nav6Off = new Image();
nav6Off.src = "/img/nav_6iaf_off.jpg";

var nav7On = new Image();
nav7On.src = "/img/nav_7lm_on.jpg";
var nav7Off = new Image();
nav7Off.src = "/img/nav_7lm_off.jpg";

var nav8On = new Image();
nav8On.src = "/img/nav_home_on.jpg";
var nav8Off = new Image();
nav8Off.src = "/img/nav_home_off.jpg";

var nav9On = new Image();
nav9On.src = "/img/nav_store_on.png";
var nav9Off = new Image();
nav9Off.src = "/img/nav_store_off.png";

var nav9hOn = new Image();
nav9hOn.src = "/img/nav_store_home_on.png";
var nav9hOff = new Image();
nav9hOff.src = "/img/nav_store_home_off.png";

var nav10On = new Image();
nav10On.src = "/img/nav_po_on.jpg";
var nav10Off = new Image();
nav10Off.src = "/img/nav_po_off.jpg";

var nav11On = new Image();
nav11On.src = "/img/nav_lm_on.jpg";
var nav11Off = new Image();
nav11Off.src = "/img/nav_lm_off.jpg";

var nav12On = new Image();
nav12On.src = "/img/nav_pb_on.jpg";
var nav12Off = new Image();
nav12Off.src = "/img/nav_pb_off.jpg";

var nav13On = new Image();
nav13On.src = "/img/nav_so_on.jpg";
var nav13Off = new Image();
nav13Off.src = "/img/nav_so_off.jpg";

var btnPopOn = new Image();
btnPopOn.src = "/img/btn_pop_on.jpg";
var btnPopOff = new Image();
btnPopOff.src = "/img/btn_pop_off.jpg";

var btnStoreOn = new Image();
btnStoreOn.src = "/img/btn_store_on.png";
var btnStoreOff = new Image();
btnStoreOff.src = "/img/btn_store_off.png";

var btnPoOn = new Image();
btnPoOn.src = "/img/btn_po_on.jpg";
var btnPoOff = new Image();
btnPoOff.src = "/img/btn_po_off.jpg";

var btnBuyOn = new Image();
btnBuyOn.src = "/img/btn_buy_on.jpg";
var btnBuyOff = new Image();
btnBuyOff.src = "/img/btn_buy_off.jpg";

var btnVoosOn = new Image();
btnVoosOn.src = "/img/btn_voos_on.jpg";
var btnVoosOff = new Image();
btnVoosOff.src = "/img/btn_voos_off.jpg";

var btnSubmitOn = new Image();
btnSubmitOn.src = "/img/btn_submit_on.jpg";
var btnSubmitOff = new Image();
btnSubmitOff.src = "/img/btn_submit_off.jpg";


var btnSurveyOn = new Image();
btnSurveyOn.src = "/img/btn_survey_on.png";
var btnSurveyOff = new Image();
btnSurveyOff.src = "/img/btn_survey_off.png";


function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=450,height=350,left = 615,top = 350');");
}