/*
 * jQuery PlaceHolder 1.0.4
 * http://www.kegles.com.br/placeholder/
 *
 * Copyright 2011, Nataniel Kegles
 * Free to use and abuse under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * Octuber 2011
 *
 * ****************
 * ** HOW TO USE **
 * ****************
 * - Add holder="text" to inputs
 * - Use input.holder CSS class to style holdered fields
 *
 * - WARNING: ALL HOLD INPUTS MUST HAVE "ID" TAG
 *
 * ****************
 * ** CHANGELOG! **
 * ****************
 * Version: 1.0.4 - Date: 2011-11-03
 *  - Fixed critical bug (.holder css class)
 * Version: 1.0.3 - Date: 2011-11-03
 *  - Fixed field listing parameters
 *  - Fixed focus issue in hidden fake fields
 *  - Fixed issue when data changed dynamically
 *  - Fixed issue before form submit (cleaning fields)
 * Version: 1.0.2 - Date: 2011-10-31
 *  - Improved search for holding fields with "holder!=''"
 *  - Solved compatibility issues with jQuery.meiomask
 *  - Added password fields compatibility
 */

//search by holder fields
$(document).ready(function() {
	$("input[type=text][holder!=''],input[type=password][holder!='']").each(function(){
			var field = $(this);
			var ffield = $(field).attr("id")+"__jquery_placeholder_passwordFakeField";
			//add holding class
			$(field).addClass("holder");
			//replace password fields with a fake field
			if ($(field).attr("type") == "password") {
				var newfield  = $("<input type='text' class='"+$(field).attr("class")+"' id='"+ffield+"' tabindex='"+$(field).attr("tabindex")+"' holder='"+$(field).attr("holder")+"' />").focus(function() {
									$(this).hide();
									$(field).show();
									$(field).focus();
								}).keypress(function(event) {
									event.preventDefault();
								});
				$(newfield).insertBefore(field);
				$(field).hide();
			}
			//bind focus event
			$(field).bind("focus",function() {
				$("#"+ffield).hide();
				$(field).show();
				if ($(field).hasClass("holder")) {
					$(field).val("");
					$(field).removeClass("holder");
				}
			});
			//bind blur event, if is a password field and value='' show the fakefield
			$(field).bind("blur",function() {
				if ($(field).val() == "") {
					if ($(field).attr("type") == "password") {
						$(field).hide();
						$("#"+ffield).show();
					}
					else {
						$(field).val($(field).attr("holder"));
						$(field).addClass("holder");
					}
				}
			});
			//bind change event, if value changed return to non holding state
			$(field).bind("change",function() {
				$(field).removeClass("holder");
			});
			//bind parent form submit, clean holding fields
			$(field).parents("form").submit(function() {
			  $(this).find(".holder'").each(function() {
				if ($(this).val() == $(this).attr("holder")) { $(this).val(""); }
			  });
			});			
	});
	setTimeout("__jquery_placeholder_goTitling()",100);
});
//change the holding values
function __jquery_placeholder_goTitling() {
	$("input[type=text][holder!=''][value='']").each(function(){
		$(this).val($(this).attr("holder"));
		$(this).addClass("holder");
	});
}