function logBlockHash(leblock)

{

  console.log('Last Block detected : '+leblock.hash);

}

var last_block = null;

var last_block_hooks = [logBlockHash];

var last_block_refresh_flag = true;

function getLastBlockInfo()

{

  $.get( "data/getBlockInfo.php", function( data ) {

    if ((last_block == null)||(last_block.hash != data.hash))

    {      

      if (last_block_refresh_flag && (last_block != null)) 

        last_block_refresh_flag = window.confirm('New block detected, apply change ?');

      last_block = data;

      if (last_block_refresh_flag)

      {

        last_block_hooks.forEach(function(element) {

          element(last_block);

        });

      }

    } 

  }, "json" );

  setTimeout(getLastBlockInfo, 30000);

}

$(document).ready(function() {

  getLastBlockInfo();

});