function high(which2)
  {
	theobject=which2;
	highlighting=setInterval("highlightit(theobject)",50);
  }

function low(which2)
  {
	clearInterval(highlighting);
	which2.filters.alpha.opacity=60
  }

function highlightit(cur2)
  {
	if (cur2.filters.alpha.opacity<100)
	{
	  cur2.filters.alpha.opacity+=5;
	}
	else if (window.highlighting)
	{
	  clearInterval(highlighting)
	}
  }

function AbrirVentana(URL,ancho,alto)
{ 

var Izquierda = (screen.width) ? (screen.width-ancho)/2 : 0;
var Top = (screen.height) ? (screen.height-alto)/2 : 0;

if (screen.width <=800)
{
	ancho = ancho * 0.8;
	alto = alto * 0.8;
}

var ventana = null;
ventana = window.open("detalleimagen.shtml?"+URL+"&Imagen%20detallada&" + ancho +"&" + alto, "_Blank", "toolbar=no,location=no,status=no,menubar=no,scrollbars=no, left='+Izquierda+',top='+Top+', width="+ancho+",height="+alto);

}