<script type="text/javascript">
<!--
num=0;
var files;
function crear(src,name,num) {
  fi = document.getElementById('fiel');
  contenedor = document.createElement('span');
  contenedor.id = 'div'+num;
  fi.appendChild(contenedor); 
  
  var newImage = document.createElement("img"); 
  newImage.src = src;
  newImage.height = 75;
  contenedor.appendChild(newImage);
  
}


function handleFileSelect(evt) {
    document.getElementById('fiel').innerHTML="";
    var num=0;
    files = evt.target.files; // FileList object

    // Loop through the FileList and render image files as thumbnails.
    for (var i = 0, f; f = files[i]; i++) {
                
      // Only process image files.
      if (!f.type.match('image.*')) {
        continue;
      }

      var reader = new FileReader();
      // Closure to capture the file information.
      
      reader.onload = (function(theFile){
          return function(e){
              crear(e.target.result,theFile.name,num);
              num++;
              };
        })(f);

      // Read in the image file as a data URL.
      reader.readAsDataURL(f);
    }
  }

--> 
function loading(){
    document.getElementById('files').addEventListener('change', handleFileSelect, false);
}
</script>