function showPicture(galNum, picNum, widePic)
  {
    if(picNum<10)
      document.getElementById('largeimg').src = "images/gallery"+galNum+"/preview/previewpic0"+picNum+".jpg"
    else
      document.getElementById('largeimg').src = "images/gallery"+galNum+"/preview/previewpic"+picNum+".jpg";
    if (widePic == 1)
      document.getElementById('largepic').style.width = "900px"
    else
      document.getElementById('largepic').style.width = "450px";
  }