var logo=new Array();
  logo[1]="images/ongs/actaid.gif";
  logo[2]="images/ongs/msf.gif";
  logo[3]="images/ongs/eawls.gif";
  logo[4]="images/ongs/amrefi.gif";
  logo[5]="images/ongs/awf.gif";
  logo[6]="images/ongs/dswt.gif";
  logo[7]="images/ongs/hsk.gif";

  var enlace=new Array();
  enlace[1]="http://www.actionaid.org/worldwideactivities/africa/kenya/kenya.shtml";
  enlace[2]="http://www.msf.org/countries/index.cfm?indexid=22D1096B-BEC7-11D4-852200902789187E";
  enlace[3]="http://www.eawildlife.org";
  enlace[4]="http://www.amref.org/AMREFProgrammes.html";
  enlace[5]="http://www.awf.org/about/";
  enlace[6]="http://www.sheldrickwildlifetrust.org/html/about_us_.html";
  enlace[7]="http://www.hsk.org.uk";

  var l1=Math.floor(Math.random()*logo.length);
  var l2=Math.floor(Math.random()*logo.length);
  var l3=Math.floor(Math.random()*logo.length);

  function asignar(){
  l1=Math.floor(Math.random()*logo.length);
  l2=Math.floor(Math.random()*logo.length);
  l3=Math.floor(Math.random()*logo.length);
  mostrar();
}

  function mostrar(){
     if ((l1!=l2) && (l1!=l3) && (l2!=l3) && (l1!=0) && (l2!=0) && (l3!=0)) {
     document.write('<a href='+'"'+enlace[l1]+'" TARGET="_blank"'+'><img src="'+logo[l1]+'" border=0 align="absmiddle"></a>');
     document.write('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='+'"'+enlace[l2]+'" TARGET="_blank"'+'><img src="'+logo[l2]+'" border=0 align="absmiddle"></a>');
     document.write('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='+'"'+enlace[l3]+'" TARGET="_blank"'+'><img src="'+logo[l3]+'" border=0 align="absmiddle"></a>');
}
     else asignar()     
}

  mostrar()