/*
   Copyright 2005 Richard Matzinger
   RichardMatzinger.com
*/
var lastcaption = 'caption1';
function showlarge(thumb, bigimg, newsrc, caption, width, height)
{
  document.images[bigimg].src=newsrc;
  // document.images[bigimg].width=width;
  document.images[bigimg].height=height;
  document.images[bigimg].alt=thumb.alt;
  // hide last caption
  document.getElementById(lastcaption).style.display='none';
  // make new caption visible
  document.getElementById(caption).style.display='block';
  // remember this caption
  lastcaption = caption;
}