jQuery clear on focus

clearonfocus.js

// Clear Form on Focus
$('#search input[type="text"]').each(function() {
  var default_value = this.value;
    $(this).focus(function() {
      if(this.value == default_value) {
        this.value = '';
      }
    });
    $(this).blur(function() {
      if(this.value == '') {
        this.value = default_value;
      }
    });
});