function goRand() {
var num = 7;  // ���������� ��������
myImages = new Array();
myImages[0] = "images/house.jpg";
myImages[1] = "images/house2.jpg";
myImages[2] = "images/house3.jpg";
myImages[3] = "images/house4.jpg";
myImages[4] = "images/house5.jpg";
myImages[5] = "images/house6.jpg";
myImages[6] = "images/house7.jpg";



rand = Math.floor(Math.random() * num);
current_image = myImages[rand];
}