function rand(n)
{return(Math.floor(Math.random()*n+1));}
var link=new Array();var opac=new Array();var shln=new Array();var shown=new Array();i=1;link[i]="<a href=\"http://aquarium.etop20.com\" target=\"_blank\"><img src=\"http://aquarium.etop20.com/button-u-janhvizdak.gif\" alt=\"Tropical Fish Top Sites\" border=\"0\" /></a>";opac[i]=70;i++;link[i]="<a href=\"http://www.animal-topsites.de/\"><img src=\"http://www.animal-topsites.de/button.php?u=janhvizdak\" alt=\"Animal Topsites\" border=\"0\" width=\"88\" height=\"31\" /></a>";opac[i]=755;i++;link[i]="<a href=\"http://www.aquariarank.com/\" target=\"_blank\"><img src=\"http://www.aquariarank.com/button.php?u=janhvizdak\" alt=\"AquariaRank - Top Aquarium Sites\" border=\"0\" /></a>";opac[i]=55;i++;link[i]="<a href=\"http://www.exoticpetsites.com\" target=\"_blank\"><img src=\"http://www.exoticpetsites.com/button.php?u=janhvizdak\" alt=\"Exotic Pet Sites\" border=\"0\" width=\"88\" height=\"31\" /></a>";opac[i]=8618;i++;link[i]="<a href=\"http://www.rankyourtank.co.uk/index.php?a=rate&amp;u=janhvizdak\" target=\"_blank\"><img src=\"http://www.rankyourtank.co.uk/button.php?u=janhvizdak\" alt=\"Rank Your Tank\" border=\"0\" /></a>";opac[i]=55;i++;link[i]="<a href=\"http://www.fishtopsites.com/\" target=\"_blank\"><img src=\"http://www.fishtopsites.com/button.php?u=janhvizdak\" alt=\"Fish Topsites\" border=\"0\" /></a>";opac[i]=3001;i++;link[i]="<a href=\"http://www.top100add.com/\" target=\"_blank\"><img src=\"http://www.top100add.com/button.php?u=janhvizdak\" alt=\"TOP100ADD.COM - ADD YOUR SITE, BOOST YOUR TRAFFIC.\" border=\"0\" /></a>";opac[i]=200;i++;link[i]="<a href=\"http://bestanimalsites.com/\" target=\"_blank\"><img src=\"http://bestanimalsites.com/button.php?u=janhvizdak\" alt=\"Best Animal Sites - Animal &amp; Pet Topsites\" border=\"0\" width=\"88\" height=\"31\" /></a>";opac[i]=647;i++;link[i]="<a href=\"http://www.aquariumlife.net\" target=\"_blank\"><img src=\"http://rank.aquariumlife.net/button.php?u=janhvizdak\" alt=\"Aquarium Life Popular Sites for Fish Information, DIY Aquarium Projects, Aquarium Forums and More!\" border=\"0\" /></a>";opac[i]=577;i++;link[i]="<a href=\"http://bestpetsites.co.uk/\" target=\"_blank\"><img src=\"http://bestpetsites.co.uk/button.php?u=janhvizdak\" alt=\"Best Pet Sites\" border=\"0\" /></a>";opac[i]=30;i++;i--;sum=0;shln[0]=0;for(j=1;j<=i;j++)
{sum=sum+opac[j];shln[j]=sum;shown[j]=0;}
document.write("<p>");found=0;while(found<4)
{r=rand(sum);for(k=1;k<=i;k++)
{if((r>=shln[(k-1)])&&(r<shln[k])&&(shown[k]==0))
{found++;shown[k]=1;}}}
document.write("</p>");