/*
 * jQuery Default input text plug-in
 *
 * Copyright (c) 2009 Ryuichi Nonaka (http://blog.desired.jp/)
 * Creative Commons 表示 2.1 日本 License. (http://creativecommons.org/licenses/by/2.1/jp/)
 *
 * http://blog.desired.jp/production/jquery-plugin/jquery-default-input-text-plug-in
 */
$.fn.defaultInputText = function(options){
  // default configuration properties
  var defaults = {
    text   : 'default input', //default text
    f_color: '#333',          //focus color
    b_color: '#aaa'           //blur color

  };
  //merge
  var options = $.extend(defaults, options);  

  //get element
  var elements = this;

  //clear
  if(elements.val() == ""){
    elements.css("color",options.b_color);
    elements.val(options.text);
  }

  //focus
  this.focus(function(event){
    if(elements.val() == options.text){
      elements.css("color",options.f_color);
      elements.val("");
    }
  });

  //blur
  this.blur(function(event){
    if(elements.val() == ""){
      elements.css("color",options.b_color);
      elements.val(options.text);
    }
  });
}