//var image1 = new Image();
//var image2 = new Image();
//var image3 = new Image();
//var image4 = new Image();

//image1.src = "path/01.jpg";
//image2.src = "path/02.jpg";
//image3.src = "path/03.jpg";
//image4.src = "path/04.jpg";

function doButtons(picimage) {
document['picture'].src=picimage;
}