if (document.images) {
  image1 = new Image;
  image2 = new Image;
  image3 = new Image;
  image4 = new Image;
  image5 = new Image;
  image6 = new Image;
  image7 = new Image;
  image8 = new Image;
  image9 = new Image;
  image10 = new Image;
  image11 = new Image;
  image12 = new Image;
  image13 = new Image;
  image14 = new Image;
  image15 = new Image;
  image16 = new Image;
  image17 = new Image;
  image18 = new Image;
  image19 = new Image;
  image20 = new Image;
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  image2.src = 'images/2008_greenriver/greenriver02.jpg';
  image3.src = 'images/2008_greenriver/greenriver03.jpg';
  image4.src = 'images/2008_greenriver/greenriver04.jpg';
  image5.src = 'images/2008_greenriver/greenriver05.jpg';
  image6.src = 'images/2008_greenriver/greenriver06.jpg';
  image7.src = 'images/2008_greenriver/greenriver07.jpg';
  image8.src = 'images/2008_greenriver/greenriver08.jpg';
  image9.src = 'images/2008_greenriver/greenriver09.jpg';
  image10.src = 'images/2008_greenriver/greenriver10.jpg';
  image11.src = 'images/2008_greenriver/greenriver11.jpg';
  image12.src = 'images/2008_greenriver/greenriver12.jpg';
  image13.src = 'images/2008_greenriver/greenriver13.jpg';
  image14.src = 'images/2008_greenriver/greenriver14.jpg';
  image15.src = 'images/2008_greenriver/greenriver15.jpg';
  image16.src = 'images/2008_greenriver/greenriver16.jpg';
  image17.src = 'images/2008_greenriver/greenriver17.jpg';
  image18.src = 'images/2008_greenriver/greenriver18.jpg';
  image19.src = 'images/2008_greenriver/greenriver19.jpg';
  image20.src = 'images/2008_greenriver/greenriver20.jpg';
} else {
  image1 = '';
  image2 = '';
  image3 = '';
  image4 = '';
  image5 = '';
  image6 = '';
  image7 = '';
  image8 = '';
  image9 = '';
  image10 = '';
  image11 = '';
  image12 = '';
  image13 = '';
  image14 = '';
  image15 = '';
  image16 = '';
  image17 = '';
  image18 = '';
  image19 = '';
  image20 = '';
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}