var img=new Image;
img.src='img/dots2.gif'
var obj=null;
function show(object)
{
  var h, str;

  if ( object == null  )
    object=obj;
  else 
    obj=object;
  var a=mapas_a[object];
//  alert("show obj: "+obj+" src: "+img.src+" complete: "+img.complete)
  if ( a && document.getElementById &&( h=document.getElementById("mapas"))) {
    src="img/fachadas/"+a["foto"];
    if ( img.src.indexOf(src) < 0 ) {
//      alert("setting src "+img.src+ "=> "+src);
      delete img;
      img=new Image;
      img.src=src;

//      alert("setting src complete "+img.complete);
    }
    str1= img.complete ? "<img src='"+src+"'>" : "Cargando imagen <img src='img/dots2.gif'>";
    str="<b>"+str1+" <br>"+a["addr"]+"</b><br><br><a href='#' onclick='open_image(\"img/mapas/g/s/"+a["foto"]+"\", \"\", 1024, 768)'>Mostrar mapa</a>";
    h.innerHTML=str;
    if ( !img.complete ){
      setTimeout("show()", 2000);
    }
  }
}

function hide(object)
{
  var h;
/*  if (document.getElementById &&( h=document.getElementById("mapas"))) {
    h.innerHTML="";
  }
*/
}