<!-- Degrada im&aacute;genes

var encima = false;
var objeto = null;
var Opera = navigator.userAgent.indexOf('Opera')

function high(e)
	{
		if (Opera < 0)
			{
				clearInterval(degradando);
				imagen = "";
				encima = false;
				if (document.all)
					{
						e.filters.alpha.opacity = 100;
						return true;
					}
				if (document.layers || (document.getElementById && !document.all))
					{
						e.style.MozOpacity = 1;
						return true;
					}
			}
	}

function low(e)
	{
		objeto = e;
		encima = true;
		if (document.all && Opera < 0)
			{
				e.filters.alpha.opacity = 99;
				degradando = setInterval("degradar(objeto)",50);
				return true;
			}
		if (document.layers || (document.getElementById && !document.all))
			{
				e.style.MozOpacity = 0.99;
				degradando = setInterval("degradar(objeto)",50);
				return true;
			}
	}
	
function degradar(e)
	{
		if (document.all && Opera < 0)
			{
				if(e.filters.alpha.opacity > 50 && e.filters.alpha.opacity < 100)
					{
						e.filters.alpha.opacity -= 10;
					}
				else if(window.degradando)
					{
						clearInterval(degradando);
					}
			}
		if (document.layers || (document.getElementById && !document.all))
			{
				if(e.style.MozOpacity > 0.5 && e.style.MozOpacity < 1)
					{
						e.style.MozOpacity = Math.min(parseFloat(e.style.MozOpacity)-0.1, 0.99)
					}
				else if(window.degradando)
					{
						clearInterval(degradando);
					}
			}
	}

function degrada()
	{
		if (objeto != null && encima == false && Opera < 0)
			{
			if (document.all && objeto.filters.alpha.opacity < 100)
				{
					objeto.filters.alpha.opacity = 100;
				}
			if (document.layers || (document.getElementById && !document.all) && objeto.style.MozOpacity < 1)
				{
					objeto.style.MozOpacity = 1;
				}
			}
		encima = false;
	}

// -->