ExtJs grid cell tooltip and messagebox

function cust(val, meta, record) {
  var hdn1 = record.data.hdn1
  var hdn2 = record.data.hdn2

  var icon = val > 5 ? 'http://rabota.ua/Theme/img/chek_icon.gif' : 'http://rabota.ua/Theme/img/cancel_icon.gif'

  var tip = "<img src='" + icon + "' /><br />"
  tip += 'hdn1: ' + hdn1 + '<br />'
  tip += 'hdn2: ' + hdn2 + '<br />'
  tip += '<br />'
  tip += '<b>SUM:</b> ' + val + '<br />'

  meta.attr = 'ext:qtip="' + tip + '" ext:qtitle="Tip FOR CUSTOM FIELD"'

  var mt = ''
  mt += '&lt;b&gt;Cusomt info&lt;/b&gt;&lt;br /&gt;'
  mt += '&lt;img src=&quot;' + icon + '&quot; /&gt;&lt;br /&gt;'
  mt += '&lt;i&gt;hdn1:&lt;/i&gt; ' + hdn1 + '&lt;br /&gt;'
  mt += '&lt;i&gt;hdn2:&lt;/i&gt; ' + hdn2 + '&lt;br /&gt;'
  mt += '&lt;br /&gt;'
  mt += '&lt;b style=&quot;color:red&quot;&gt;SUM:&lt;/b&gt; ' + val

  mt +=
    '&lt;br /&gt;&lt;br /&gt;&lt;small&gt;via &lt;a href=&quot;http://rabota.ua&quot; target=&quot;_blank&quot;&gt;rabota.ua&lt;/a&gt; and yes, mac was here :)&lt;/small&gt;'

  var ret =
    '<a href="javascript:void(0)" onclick="Ext.MessageBox.alert(\'Info for custom field\', \'' + mt + '\');return false;">' + val + '</a>'
  //console.log(record);
  return ret
}