jQuery.noConflict();

jQuery(document).ready(function($) {

  var leafBaseUrl = 'typo3conf/ext/buh_donationtree/Resources/Public/Gfx/leaves';

  jQuery('div', '.buh_donationtree_donations').each(function(index) {
    var elem = jQuery(this);
    var number = parseInt(index+1);
    var leafColor = elem.data('leafcolor');
    elem
      .attr('id', 'leaf_'+number)
      .css(
        {
          backgroundImage: 'url('+leafBaseUrl+'/'+number+'_'+leafColor+'.png)',
          display: 'block'
        });
  });

});