link_listi = ["www.worldwildlife.org$World Wildlife Foundation - USA#Lot of information about protection of endangered animals, and enviroment%",
"www.wri.org$World Resources Institute#The state of our planets resources%",
"www.climatehotmap.org$Global Warming:  Early warning signs#World map identifying likely signs of global warming%",
"www.space.com$Space.com#Latest in space exploration%",
"www.orangutan.org$Orangutan Foundation Int.#Save these great apes%"];

function rand_link() {

link_nr = 5;

itoday = new Date();

     num = itoday.getTime();
     num = Math.round(Math.abs(Math.sin (num)*1000000)) % link_nr;
     num = num;
    s_link = link_listi[num];
  link_link = s_link.substring(0,s_link.lastIndexOf("$"))
  link_name = s_link.substring(s_link.lastIndexOf("$")+1,s_link.lastIndexOf("#"));
  link_texti = s_link.substring(s_link.lastIndexOf("#")+1,s_link.lastIndexOf("%"));

	document.write("<HR color=\"red\" width=\"80%\"><a href=\"http://"+link_link+"\" target=\"_new\"><B><font size=\"-1\" color=\"Navy\">"+link_name+"</font></B></a><BR><font size=\"-1\" color=\"white\">"+link_texti+"</font>");
}