(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);

jQuery.exists = function(selector) {return ($(selector).length > 0);}

/*Adds overlay functionalitie for <a> tags with rel attributes
$(function() {
   if($.exists("#color-list .tooltip")){
		$("a[rel]").overlay({ 
			expose: 'black',
			effect: 'apple',
			onBeforeLoad: function() { 
				var wrap = this.getContent().find("div.contentWrap"); 
				wrap.load(this.getTrigger().attr("href"));
			}, 
			onClose: function() {$("div.contentWrap").empty();} 
		}); 
   }
     
}); 
*/