var adMap = [
	{img:"fusioncharts1_1.jpg", link:"http://www.fusioncharts.com/php/?utm_source=libchart&utm_medium=web&utm_content=need_more_charts_set1_1&utm_campaign=FC_v3_2_Mktg"},
	{img:"fusioncharts1_2.jpg", link:"http://www.fusioncharts.com/php/?utm_source=libchart&utm_medium=web&utm_content=need_more_charts_set1_2&utm_campaign=FC_v3_2_Mktg"},
	{img:"fusioncharts1_3.jpg", link:"http://www.fusioncharts.com/php/?utm_source=libchart&utm_medium=web&utm_content=need_more_charts_set1_3&utm_campaign=FC_v3_2_Mktg"},
	{img:"fusioncharts1_4.jpg", link:"http://www.fusioncharts.com/php/?utm_source=libchart&utm_medium=web&utm_content=need_more_charts_set1_4&utm_campaign=FC_v3_2_Mktg"},
	{img:"fusioncharts2_1.jpg", link:"http://www.fusioncharts.com/php/?utm_source=libchart&utm_medium=web&utm_content=php_flash_html5_set2_1&utm_campaign=FC_v3_2_Mktg"},
	{img:"fusioncharts2_2.jpg", link:"http://www.fusioncharts.com/php/?utm_source=libchart&utm_medium=web&utm_content=php_flash_html5_set2_2&utm_campaign=FC_v3_2_Mktg"},
	{img:"fusioncharts2_3.jpg", link:"http://www.fusioncharts.com/php/?utm_source=libchart&utm_medium=web&utm_content=php_flash_html5_set2_3&utm_campaign=FC_v3_2_Mktg"},
	{img:"fusioncharts2_4.jpg", link:"http://www.fusioncharts.com/php/?utm_source=libchart&utm_medium=web&utm_content=php_flash_html5_set2_4&utm_campaign=FC_v3_2_Mktg"}
];

var ad = adMap[Math.floor(Math.random()*8)];
var elt = document.getElementById('banner');
elt.innerHTML = '<a href="' + ad["link"] + '"><img width="728" height="90" border="0" src="/libchart/img/ad/' + ad["img"] + '"></a>';