var button1 = new Image;
var button2 = new Image;
var button3 = new Image;
var button4 = new Image;
var button5 = new Image;
var button6 = new Image;
var button7 = new Image;
button1.src = 'images/Heritage_06.jpg';
button2.src = 'images/Heritage_07.jpg';
button3.src = 'images/Heritage_10.jpg';
button4.src = 'images/Heritage_11.jpg';
button5.src = 'images/Heritage_12.jpg';
button6.src = 'images/Heritage_13.jpg';
button7.src = 'images/Heritage_14.jpg'; 

var button1_RO = new Image;
var button2_RO = new Image;
var button3_RO = new Image;
var button4_RO = new Image;
var button5_RO = new Image;
var button6_RO = new Image;
var button7_RO = new Image;
button1_RO.src = 'images/HeritageRO_06.jpg';
button2_RO.src = 'images/HeritageRO_07.jpg';
button3_RO.src = 'images/HeritageRO_10.jpg';
button4_RO.src = 'images/HeritageRO_11.jpg';
button5_RO.src = 'images/HeritageRO_12.jpg';
button6_RO.src = 'images/HeritageRO_13.jpg';
button7_RO.src = 'images/HeritageRO_14.jpg';