if (document.getElementById || document.all) { // minimum dhtml support required
  document.write("<"+"style type='text/css'>#footer{visibility:hidden;}<"+"/style>");
  window.onload = winOnLoad;
}
function winOnLoad()
{
  var ele = xGetElementById('leftColumn');
  if (ele && xDef(ele.style, ele.offsetHeight)) { // another compatibility check
    adjustLayout();
    xAddEventListener(window, 'resize', winOnResize, false);
  }
}
function winOnResize()
{
  adjustLayout();
}
function adjustLayout()
{
  // Get content heights
  var cHeight = xHeight('centerColumnContent');
  var lHeight = xHeight('leftColumnContent');

  // Find the maximum height
  var maxHeight = Math.max(lHeight, cHeight);

  // Assign maximum height to all columns
  xHeight('leftColumn', maxHeight);
  xHeight('centerColumn', maxHeight);

  // Show the footer
  xShow('footer');
}
function fecha(){
var mydate=new Date()
var year=mydate.getFullYear()
var day=mydate.getDay()
var month=mydate.getMonth()
var daym=mydate.getDate()
var dayarray=new Array("Domingo","Lunes","Martes","Miércoles","Jueves","Viernes","Sábado")
var montharray=new Array("Enero","Febrero","Marzo","Abril","Mayo","Junio","Julio","Agosto","Septiembre","Octubre","Noviembre","Diciembre")
//return(dayarray[day]+ " "+daym+ " de " +montharray[month]+ " de " +year)
return(daym+ " de " +montharray[month]+ " de " +year)
}