<!--

Num=Math.floor (Math.random()*2);

function prob_banner(indX) {
      banner = new Array(0,1);
      return banner[indX];
   }

function p_banner(indX)  {
      muestra_banner = new Array ( 
'<a href="index2.htm"><img src="fotoportada/001.jpg" width="1000" height="600" border="0"',
'<a href="index2.htm"><img src="fotoportada/002.jpg" width="1000" height="600" border="0"');

      return muestra_banner[indX];
}

function banner()   {
     document.writeln("<center>");
     document.write(p_banner(prob_banner(Num)));
     document.writeln("</center>");
}

//-->
