pic025 = new Image();
pic025.src = "gallery/025.jpg";

pic026 = new Image();
pic026.src = "gallery/026.jpg";

pic027 = new Image();
pic027.src = "gallery/027.jpg";

pic028 = new Image();
pic028.src = "gallery/028.jpg";

pic029 = new Image();
pic029.src = "gallery/029.jpg";

pic030 = new Image();
pic030.src = "gallery/030.jpg";

pic031 = new Image();
pic031.src = "gallery/031.jpg";

pic032 = new Image();
pic032.src = "gallery/032.jpg";

function showpic(item) {
   document.getElementById('bigpic').src=eval(item).src;
}