var oneon = new Image(); oneon.src = 'images121/homes_btn_1a_over.gif';
var oneoff = new Image(); oneoff.src = 'images121/homes_btn_1a.gif'; 
var twoon = new Image(); twoon.src = 'images121/homes_btn_2a_over.gif';
var twooff = new Image(); twooff.src = 'images121/homes_btn_2a.gif';
var threeon = new Image(); threeon.src = 'images121/homes_btn_3a_over.gif';
var threeoff = new Image(); threeoff.src = 'images121/homes_btn_3a.gif';
var fouron = new Image(); fouron.src = 'images121/homes_btn_4a_over.gif';
var fouroff = new Image(); fouroff.src = 'images121/homes_btn_4a.gif';
var fiveon = new Image(); fiveon.src = 'images121/homes_btn_5_over.gif';
var fiveoff = new Image(); fiveoff.src = 'images121/homes_btn_5.gif';
var sixon = new Image(); sixon.src = 'images121/homes_btn_6_over.gif';
var sixoff = new Image(); sixoff.src = 'images121/homes_btn_6.gif';
var sevenon = new Image(); sevenon.src = 'images/index_061.jpg';
var sevenoff = new Image(); sevenoff.src = 'images/index_06.jpg';
var heighton = new Image(); heighton.src = 'images/index_071.jpg';
var heightoff = new Image(); heightoff.src = 'images/index_07.jpg';
var nineon = new Image(); nineon.src = 'images/index_081.jpg';
var nineoff = new Image(); nineoff.src = 'images/index_08.jpg';
var tenon = new Image(); tenon.src = 'images/index_091.jpg';
var tenoff = new Image(); tenoff.src = 'images/index_09.jpg';
var elevenon = new Image(); elevenon.src = 'images/index_101.jpg';
var elevenoff = new Image(); elevenoff.src = 'images/index_10.jpg';