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

  if ( object == null  )
    object=obj;
  else 
    obj=object;
  var a=ferias_a[object];
//  alert("show obj: "+obj+" src: "+img.src+" complete: "+img.complete)
  if ( a && document.getElementById &&( h=document.getElementById("ferias"))) {
    src="img/ferias/"+a["foto"];
    src_hr="img/ferias/hr/"+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 ? "<a href=\"#\" onclick=\"open_image('"+src_hr+"', '',1024,768)\"><img src='"+src+"' border='0'></a>" : "Cargando imagen <img src='img/dots2.gif'>";
    str="<b>"+str1+" <br>"+a["text"]+"</b>";
    h.innerHTML=str;
    if ( !img.complete ){
      setTimeout("show()", 2000);
    }
  }
}

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

function write_ferias()
{

  for ( var i=1; i<ferias_a.length; i++ ) {
    document.write("              <tr> "+
  "                <td width=\"230\"><a href=\"#\"  class=\"tiendascss\" onMouseOver=\"show('"+i+"')\" onMouseOut=\"hide('"+i+"')\">"+ferias_a[i]["titol"]+"</a>&nbsp; </td>"+
  "              </tr>");
  }
}