var images = [["http://www.artlog.com/advertisements/click/451", "Benrimon", "http://s3.amazonaws.com/artlog/advertisements/1161/b07d9145a2_sidebar.jpeg", "451"], ["http://www.artlog.com/advertisements/click/461", "Rachel Uffner", "http://s3.amazonaws.com/artlog/advertisements/1201/51f51d7324_sidebar.jpeg", "461"], ["http://www.artlog.com/advertisements/click/471", "Bryce Wolkowitz", "http://s3.amazonaws.com/artlog/advertisements/1241/1d8a549b62_sidebar.jpeg", "471"]]
	var selected = Math.floor(Math.random()*(images.length)) 
	var advert_div = $("advertisement-link");
	var link_url = images[selected][0];
	var image_alt = images[selected][1];
	var image_src = images[selected][2];
	var advertisment_id = images[selected][3];
	advert_div.innerHTML = '<a href="'+ link_url + '" title="' + image_alt + '" target="_blank"><img src="'+ image_src + '" alt="' + image_alt + '" /></a>';	
	//<![CDATA[
	new Ajax.Updater({success:'advertisements',failure:'error'}, '/advertisements/impression/'+advertisment_id+'', {asynchronous:true, evalScripts:true})
	//]]>