var banner=new Array()
banner[0]='<img src="http://www.3fatchicks.com/forum/images/forum-1.jpg"  width=175 height=247 border=0>'
banner[1]='<img src="http://www.3fatchicks.com/forum/images/forum-2.jpg"  width=175 height=247 border=0>'
banner[2]='<img src="http://www.3fatchicks.com/forum/images/forum-3.jpg"  width=175 height=247 border=0>'

var whichbanner=Math.floor(Math.random()*(banner.length))
document.write(banner[whichbanner])