function showPic(whichpic) {
	if (document.getElementById) {
		var i=whichpic.href;
		i = i.replace("/fs_","/rs_");
		document.getElementById('imagediv').style.background='#DDDDDD url('+i+') no-repeat center';
		if (whichpic.title) {
   			document.getElementById('maincaption').innerHTML = whichpic.title;
   			document.getElementById('captionholder').style.display='';
		} else {
			document.getElementById('captionholder').style.display='none';
		}
		return false;
	}
	else {
		return true;
	}
}

function prepareGallery(){
  if( document.getElementById &&
      document.getElementsByTagName ){
    if( document.getElementById( 'thumbs' ) ){
      var gallery = document.getElementById( 'thumbs' );
      var links = gallery.getElementsByTagName( 'a' );
      for( var i=0; i < links.length; i++ ){
        links[i].onmouseover = function(){
          return showPic(this);
        };
      }
    }
  }
}

window.onload = prepareGallery;