//by Manuel Hdez. 2005
function randomNumber(limit){
  return Math.floor(Math.random()*limit);
}

function randomImagen(n)
{
  var imgSrc, r;
  
  r = randomNumber(n);
  r=r+1;  
  //document.write('<div class="headerImg'+r+'">');
  document.write('<img src="http://www.oaxaca.adiario.mx/wp-content/uploads/2010/05/banner_gurrion'+r+'.jpg" alt="banner_gurrion1" title="banner_gurrion" width="880" height="80" class="alignnone size-full wp-image-7338" />');
  


}