var texts = new Array()

texts[1] = "<center><iframe name='1' width='500' height='100' border='0' frameborder='0' marginwidth='1' marginheight='0' style='border:0px solid #EEEEEE; position: relative' target='_blank' src='http://pichak.net/ads/clicki/oxinads/500-100' scrolling='no'></iframe></center>"
texts[2] = "<center><iframe name='2' width='467' height='387' border='0' frameborder='0' marginwidth='1' marginheight='0' style='border:0px solid #EEEEEE; position: relative' target='_blank' src='http://pichak.net/ads/shop/mah' scrolling='no'></iframe></center>"
texts[3] = "<center><iframe name='3' width='504' height='387' border='0' frameborder='0' marginwidth='1' marginheight='0' style='border:0px solid #EEEEEE; position: relative' target='_blank' src='http://pichak.net/ads/shop/links' scrolling='no'></iframe></center>"

var ry = Math.floor(Math.random() * texts.length)
if (ry == 0) { ry = 1 }

document.write(texts[ry]);