tips = new Array();

//Warning: the quote symbol defines each string, so you can't use "quotes" in your quotes...
tips[0] = "banner1.gif";
tips[1] = "banner2.gif";
tips[2] = "banner3.gif";
tips[3] = "banner4.gif";
tips[4] = "banner5.gif";
tips[5] = "banner6.gif";

index = Math.floor(Math.random() * tips.length);

prefix = "<a href=index.php><img border=0 src=http://www.homegrownenergy.ca/media/"
suffix = " width=739 height=170 title='Back to the Homegrown Energy main page...' alt='Back to the Homegrown Energy main page...'></a>"
document.write(prefix + tips[index] + suffix);