/*
 * jQuery Label In plug-in version 1.0
 * Last Update : June 09, 2008
 * New features:
 *
 * Bug Fixed:
 *
 * Copyright (c) 2007 E-wave web design
 *   http://www.ewave.com.au/
 *
 * Licensed under the GPL license:
 *   http://www.gnu.org/licenses/gpl.html
 *
 * @requires jQuery v 1.2.1 or later
 * @name	labelIn
 * @usage		$('#selector').labelIn();
 * 
 * HTML
 * <form id="form1">
 * <input id="input1" type="text" name="Label"></input>
 * <input type="submit" value="Submit>
 * </form>
 *
 * Description
 * Display info to specify content of input tag, on focus info is removed.
 * Aslo Apply a class to the input tag
 *
 * 
 * @param li_class 
 * 	this class is added to input tag when empty	
 * 
 * @param attribute 
 * 	display the content of this attribute when tag is empaty	
 * 
 */
 jQuery.fn.labelIn = function(settings) {

	var iSelector = this;

	settings = jQuery.extend({
		version		: '1.0',
		li_class	: 'labelIn',
		attribute	: 'id'
}, settings);

	init();
	
	function init() {
		if($.trim($(iSelector).val()) == "") {
			$(iSelector).val($(iSelector).attr(settings['attribute']));
			$(iSelector).addClass(settings["li_class"]);
		}
	}

	return iSelector.focus(function() {
			$(iSelector).removeClass(settings["li_class"]);
			if($(iSelector).val() == $(iSelector).attr(settings['attribute'])) {
					$(iSelector).val("");
			}
	}).blur(function() {
			if($.trim($(iSelector).val()) == "") {
					$(iSelector).val($(iSelector).attr(settings['attribute']));
					$(iSelector).addClass(settings["li_class"]);
		} else
			$(iSelector).removeClass(settings["li_class"]);
	});
	
	
};