function abrirPrincipal()
{
	if (window.name)
	{  }
	else {
        this.location.replace("../index.html");
	}
}

function mostrar1()
{
    cont_imagen ++;
	if (cont_imagen == 2)
	{
		document.images.imgmov.src=img1.src;
		cont_imagen=0;
	 }
	else {
		document.images.imgmov.src=img2.src;
 }
}
function mostrar2()
{
    cont_imagen ++;
	if (cont_imagen == 2)
	{
		document.images.imgmov2.src=img3.src;
		document.images.imgmov.src=img1.src;
		cont_imagen=0;
	 }
	else {
		document.images.imgmov.src=img2.src;
		document.images.imgmov2.src=img4.src;
 }
}
function limpiar1()
{
document.body.removeChild(img1);
document.body.removeChild(img2);
document.body.removeChild(img3);
document.body.removeChild(img4);
document.body.removeChild(cont_imagen);
}
function limpiar2()
{
document.body.removeChild(img1);
document.body.removeChild(img2);
document.body.removeChild(img3);
document.body.removeChild(img4);
document.body.removeChild(cont_imagen);
}