sci.gallery = function() {
  this.load = function() {
	var mainsection = document.getElementById( 'catgallerymain' );
	this.header = mainsection.getElementsByTagName( 'H2' )[0];
	this.image = mainsection.getElementsByTagName( 'IMG' )[0];
	var strip = document.getElementById( 'gallerystrip' );
	var thumbs = strip.getElementsByTagName( 'IMG' );
	var stripholder = strip.getElementsByTagName( 'DIV' )[0];
	stripholder.style.width = ( 110 * thumbs.length ) + 'px';
	for ( var x = 0; x < thumbs.length; x++ )
	{
		var thumb = thumbs[x];
		thumb.gallery = this;
		thumb.load = function()
		{
			var loc = this.src;
			loc = loc.replace( /thumbs\//, '' );
			this.gallery.image.src = loc;
			this.gallery.header.innerHTML = this.alt;
		}
		addEvent( thumb, 'click', thumb.load );
	}
  }
  return this;
}();

addEvent( window, 'load', sci.gallery.load );