function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function Pop_imagen(imagen) {
	//window.open(imagen,'','toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, width=600, height=400, top=85, left=140');
    abrir(imagen);
}

var _img_grande;

function mostrar() {
    var ops = "top=" + ((screen.height - _img_grande.height) / 2);
    ops += ",left=" + ((screen.width - _img_grande.width) / 2);
    ops += ",width=" + _img_grande.width + ",height=" + _img_grande.height;
    ops +=",toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no";
    var contenido = "<html><body style='background-image: url(" + _img_grande.src + ")'></body></html>";
    var ventana = window.open("", "", ops);
    ventana.document.write(contenido);
    ventana.document.close();
}

function cargando() {
    if (_img_grande.complete) mostrar();
    else setTimeout("cargando()", 100);
}

function abrir(imagen)	{
    _img_grande = new Image();
    _img_grande.src = imagen;
    cargando();
}