$(function() {
  $('.default_value').focus(function() {
    this.value = '';
  });

  $('.error_list').effect('highlight', {}, 3000);
  $('.notice').effect('highlight', {}, 3000);
});

function switchPic(picPath, target, elem) {
  $("#" + target).attr("src", picPath);
  $(elem).siblings().removeClass("active");
  $(elem).addClass("active");
}

function linkify_tweet(text, tweet_link) {
  var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
  var exp2 = /(^|[^\/])(www\.[\S]+(\b|$))/gim;
  var tweet = text.replace(exp, "<a href=\"$1\" target=\"_blank\">$1</a>");
  tweet = tweet.replace(exp2, '$1<a href="http://$2" target="_blank">$2</a>');
  tweet = tweet.replace(/(^|\s)@(\w+)/g, "$1<a href=\"http://www.twitter.com/$2\" target=\"_blank\">@$2</a>");
  tweet = tweet.replace(/(^|\s)#([\wäöüßÄÜÖ]+)/g, "$1<a href=\"http://search.twitter.com/search?q=%23$2\" target=\"_blank\">#$2</a>");
  return tweet.replace(/(^vinett_de)/g, "<a href=\"" + tweet_link + "\" target=\"_blank\">vinett_de</a>");
};