$(document).ready(function(){
  swap_letter();    
});
	
function swap_letter() {
  var first_paragraph = $('div.drop-cap p')[0];
  if (!first_paragraph) return false;
  var text = first_paragraph.firstChild.nodeValue;
  var first_letter = text.substr(0,1);
  if ( text ) {
    first_paragraph.firstChild.nodeValue = text.slice(1);
  $('<img />')
    .attr('src','http://www.englishrules.com/images/alphabet/' + first_letter.toLowerCase() + '.gif')
    .attr('alt',first_letter)
    .addClass('fancy-letter')
    .prependTo( first_paragraph ); 
  }
}