img = new Array(4); 
img[0] = "<a href=http://www.amatorskie.pl/?ref=lolidka><img src=baners/amatorskie.gif alt='amatorskie materiały' width=200 height=200 border=0></a>";
img[1] = "<a href=http://www.centrum.sex.pl/?ref=lolidka&nw ><img src=baners/centrumsex.gif alt='amatorskie materiały' width=200 height=200 border=0></a>";
img[2] = "<a href=http://www.hotvideos.pl/?ref=lolidka&nw ><img src=baners/hotvideos.gif alt='hotvideos' width=200 height=200 border=0></a>";
img[3] = "<a href=http://www.ladysquirt.pl/?ref=lolidka&nw ><img src=baners/ladysquirt.gif alt='kobiece wytryski' width=200 height=200 border=0></a>";
index = Math.floor(Math.random() * img.length);
document.write( img[index] );