var gallery1 = new Image();
var gallery2 = new Image();
var gallery3 = new Image();
var gallery4 = new Image();
var gallery5 = new Image();
var gallery6 = new Image();

gallery1.src = "images/gallery/00001.jpg";
gallery2.src = "images/gallery/00002.jpg";
gallery3.src = "images/gallery/00003.jpg";
gallery4.src = "images/gallery/00004.jpg";
gallery5.src = "images/gallery/00005.jpg";
gallery6.src = "images/gallery/00006.jpg";

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