(function ($) {
  Drupal.behaviors.britishrowing = {
    attach: function (context, settings) {
      $('<div id="news_arrow"><img src="/sites/all/themes/britishrowing/images/news-highlighted-arrow.png" alt="arrow"></div>').prependTo('#views_slideshow_cycle_div_news-block_0');
      $('<div id="news_arrow" class="item2"><img src="/sites/all/themes/britishrowing/images/news-highlighted-arrow.png" alt="arrow"></div>').prependTo('#views_slideshow_cycle_div_news-block_1');
      $('<div id="news_arrow" class="item3"><img src="/sites/all/themes/britishrowing/images/news-highlighted-arrow.png" alt="arrow"></div>').prependTo('#views_slideshow_cycle_div_news-block_2');
      $('<div id="news_arrow" class="item4"><img src="/sites/all/themes/britishrowing/images/news-highlighted-arrow.png" alt="arrow"></div>').prependTo('#views_slideshow_cycle_div_news-block_3');
      
      //Adds hover to sponsor images
      //Thanks to http://www.yart.com.au/Resources/jQuery/jQuery---Auto-replace-image-on-hover.aspx
      $(".sponsor-image").hover( function() {
        var hoverImg = britishrowing_HoverImgOf($(this).attr("src"));
        $(this).attr("src", hoverImg);
      }, function() {
        var normalImg = britishrowing_NormalImgOf($(this).attr("src"));
        $(this).attr("src", normalImg);
      });
    }
  };
}(jQuery));

function britishrowing_HoverImgOf(filename)
{
   var re = new RegExp("(.+)\\.(gif|png|jpg)", "g");
   return filename.replace(re, "$1_colour.$2");
}
function britishrowing_NormalImgOf(filename)
{
   var re = new RegExp("(.+)_colour\\.(gif|png|jpg)", "g");
   return filename.replace(re, "$1.$2");
};