$(document).ready(function() {
  $('input#email').tipsy({fallback: "Where's my tooltip yo'?" });
  
  var clearMePrevious = '';
  $('input#email').focus(function(){
    if($(this).val() == $(this).attr('original-title')){
      clearMePrevious = $(this).val();
      $(this).val('');
    }
  });
  
  $('input#email').blur(function(){
    if($(this).val() == ''){
      $(this).val(clearMePrevious);
  }
  });
});