/*
* jQuery emptyonclick plugin
*
* Created by Andreas Creten (andreas@madewithlove.be) on 2008-06-06.
* Copyright (c) 2008 madewithlove. All rights reserved.
*
* Version: 1.2
*
* Changelog :
* Version 1.2 (17 Jun 2008)
*  - Empty the fields onsubmit when they are not changed
*
* Version 1.1 (11 Jun 2008)
*  - Fixed a bug when working with an empty field (no default value)
*
* Version 1.0 (06 Jun 2008):
*  - Original version
*/

$(document).ready(function() {


	jQuery.fn.extend({
	    emptyonclick: function(options) {
	        return this.each(function() {
	            new jQuery.EmptyOnClick(this, options);
	        });
	    }
	});
	
	jQuery.EmptyOnClick = function(element, options) {
	    var defaultValue = $(element).val();
	    
	    // Bind event handlers to the element
	    $(element)
	    // On Focus: Store the default value if it's not set, empty the field
	    .bind("focus", function(e) {
	        if(defaultValue == $(this).val())
	            $(this).val('');
	
	    })
	    // On Blur: if the field is empty, reset the default value
	    .bind("blur", function(e) {
	        if(!$(this).val()) {
	            $(this).val(defaultValue);
	        }
	    });
	
	    // Search for the form which has the element
	    $("form:has(#"+element.id+")")
	    // If the form gets resetted, set the default value back
	    .bind('reset', function(e) {
	        $(element).val(defaultValue);
	        $(element).removeClass(options.changeClass);
	    }) 
	    // If the form gets submitted empty, remove the default values
	    .bind('submit', function(e) {
	        if($(element).val() == defaultValue)
	            $(element).val('');
	    });
	};
	
});