// JavaScript Document

var ad_array = ["Lingoo-12.jpg", 
				"Lingoo-5.jpg", 
				"Lingoo-7-2.jpg"];

var ad_link_array = ["http://www.lingoo.eu/become-a-host-family.html",
					 "http://www.lingoo.eu",
					 "http://www.lingoo.eu/find-a-family.html"];

var ran =  Math.floor(Math.random() * ad_array.length);
document.getElementById('left-column-ad-rotator').innerHTML = "<a href=\"" + ad_link_array[ran] + "\" target=\"_blank\"><img src=\"/storefront-files/advertisements/" + ad_array[ran] + "\" border=\"0\"></a>";