/*
* (c) 2008-9 Jason Frame
* Auxiliary element code based on work by pjesi (http://wtf.hax.is/)
*/
(function ($) {
 
/**
* Initialise input hints on all matched inputs.
*
* Usage examples:
*
* Add hints to all inputs with the 'title' attribute set:
* $('input[title],textarea[title]').inputHint();
*
* Add hints to all matched elements, grabbing the hint text from each element's
* adjacent <kbd/> tag:
* $('input').inputHint({using: '+ kbd'});
*
* Options keys:
* using: jQuery selector locating element containing hint text, relative to
* the input currently being considered.
* hintAttr - tag attribute containing hint text. Default: 'title'
* hintClass - CSS class to apply to inputs with active hints. Default: 'hint'
*/
$.fn.inputHint = function(options) {
 
	options = $.extend({hintClass: 'hint', hintAttr: 'title'}, options || {});
	 
	function hintFor(element) {
		var h;
		if (options.using && (h = $(options.using, element)).length > 0) {
			return h.text();
		} else {
			return $(element).attr(options.hintAttr) || '';
		}
	}
	 
	function showHint() {
		if ($(this).val() == '') {
			$(this).addClass(options.hintClass).val(hintFor(this));
		}
	}
	 
	function removeHint() {
		if ($(this).hasClass(options.hintClass)) $(this).removeClass(options.hintClass).val('');
	}
	 
	this.filter(function() { return !!hintFor(this); })
	.focus(removeHint).blur(showHint).blur();
	 
	        this.each(function() {
	            var self = this;
	            $(this).parents('form').submit(function() { removeHint.apply(self); });
	        });
	 
	return this.end(); // undo filter
 
};
 
})(jQuery);

$('input[title]').inputHint();