var DHTML = (document.getElementById || document.all || document.layers);

// Para reutilizarlo atención al fixIEBug, requiere una capa con id defeatIEBug
// en la página, aunque no he comprobado si es necesario



function showDiv(name){
	if (!DHTML) return;

	if (name){
		var x = getObjSytle(name);
		x.display = 'block';
	}
	fixIEBug();
}

function hideDiv(name){
	if (!DHTML) return;

	if (name){
		var x = getObjSytle(name);
		x.display = 'none';
	}
	fixIEBug();
}

function getObjSytle(name){
  if (document.getElementById){
    return document.getElementById(name).style;
  }
  else if (document.all){
    return document.all[name].style;
  }
  else if (document.layers){
    return document.layers[name];
  }
  else return false;
}

function fixIEBug()
{
	/* Defeat IE6 fixed bug by opening and closing the last div */
	var x = document.getElementById('defeatIEBug');
	var currentStyle = x.style.display;
	var newStyle = (currentStyle == 'none') ? 'block' : 'none';
	x.style.display = newStyle;
	x.style.display = currentStyle;
}