// colTopMain:  Define the image attributes
var imgMain = {
  src: 'http://newmedia.innovationutah.com/assets/images/2010buttons.png',
  alt: 'PushButton Summit 2010 | March 9-10 | Utah Digital Media Event',
  width: 290,
  height: 155,
  link: 'http://www.pushbuttonsummit.com'
};

// Write image to document
document.write(''+
'<a href="'+imgMain.link+'"><img src="'+imgMain.src+'" alt="'+imgMain.alt+'" title="'+imgMain.alt+'" width="'+imgMain.width+'" height="'+imgMain.height+'" /></a>');