// Plugins

// usage: log('inside coolFunc', this, arguments);
// paulirish.com/2009/log-a-lightweight-wrapper-for-consolelog/
window.log = function(){
log.history = log.history || [];   // store logs to an array for reference
log.history.push(arguments);
arguments.callee = arguments.callee.caller; 
if(this.console) console.log( Array.prototype.slice.call(arguments) );
};

// make it safe to use console.log always
(function(b){function c(){}for(var d="assert,count,debug,dir,dirxml,error,exception,group,groupCollapsed,groupEnd,info, log,markTimeline,profile,profileEnd,time,timeEnd,trace,warn".split(","),a;a=d.pop();)b[a]=b[a]||c})(window.console=window.console||{});

// jQuery/helper plugins

/*!
 * HTML5 Placeholder jQuery Plugin v1.8.2
 * @link http://github.com/mathiasbynens/Placeholder-jQuery-Plugin
 * @author Mathias Bynens <http://mathiasbynens.be/>
 */
 
;(function($) {

	var isInputSupported = 'placeholder' in document.createElement('input'),
	    isTextareaSupported = 'placeholder' in document.createElement('textarea');
	if (isInputSupported && isTextareaSupported) {
		$.fn.placeholder = function() {
			return this;
		};
		$.fn.placeholder.input = $.fn.placeholder.textarea = true;
	} else {
		$.fn.placeholder = function() {
			return this.filter((isInputSupported ? 'textarea' : ':input') + '[placeholder]')
				.bind('focus.placeholder', clearPlaceholder)
				.bind('blur.placeholder', setPlaceholder)
			.trigger('blur.placeholder').end();
		};
		$.fn.placeholder.input = isInputSupported;
		$.fn.placeholder.textarea = isTextareaSupported;
	}

	function args(elem) {
		// Return an object of element attributes
		var newAttrs = {},
		    rinlinejQuery = /^jQuery\d+$/;
		$.each(elem.attributes, function(i, attr) {
			if (attr.specified && !rinlinejQuery.test(attr.name)) {
				newAttrs[attr.name] = attr.value;
			}
		});
		return newAttrs;
	}

	function clearPlaceholder() {
		var $input = $(this);
		if ($input.val() === $input.attr('placeholder') && $input.hasClass('placeholder')) {
			if ($input.data('placeholder-password')) {
				$input.hide().next().attr('id', $input.removeAttr('id').data('placeholder-id')).show().focus();
			} else {
				$input.val('').removeClass('placeholder');
			}
		}
	}

	function setPlaceholder(elem) {
		var $replacement,
		    $input = $(this),
		    $origInput = $input,
		    id = this.id;
		if ($input.val() === '') {
			if ($input.is(':password')) {
				if (!$input.data('placeholder-textinput')) {
					try {
						$replacement = $input.clone().attr({ type: 'text' });
					} catch(e) {
						$replacement = $('<input>').attr($.extend(args(this), { type: 'text' }));
					}
					$replacement
						.removeAttr('name')
						// We could just use the `.data(obj)` syntax here, but that wouldn’t work in pre-1.4.3 jQueries
						.data('placeholder-password', true)
						.data('placeholder-id', id)
						.bind('focus.placeholder', clearPlaceholder);
					$input
						.data('placeholder-textinput', $replacement)
						.data('placeholder-id', id)
						.before($replacement);
				}
				$input = $input.removeAttr('id').hide().prev().attr('id', id).show();
			}
			$input.addClass('placeholder').val($input.attr('placeholder'));
		} else {
			$input.removeClass('placeholder');
		}
	}

	$(function() {
		// Look for forms
		$('form').bind('submit.placeholder', function() {
			// Clear the placeholder values so they don’t get submitted
			var $inputs = $('.placeholder', this).each(clearPlaceholder);
			setTimeout(function() {
				$inputs.each(setPlaceholder);
			}, 10);
		});
	});

	// Clear placeholder values upon page reload
	$(window).bind('unload.placeholder', function() {
		$('.placeholder').val('');
	});

}(jQuery));

/*
 * jQuery Extra Selectors - (c) Keith Clark freely distributable under the terms of the MIT license.
 * 
 * twitter.com/keithclarkcouk
 * www.keithclark.co.uk
 */

(function($) {
	function getNthIndex(cur, dir) {
		var t = cur, idx = 0;
		while (cur = cur[dir] ) {
			if (t.tagName == cur.tagName) {
				idx++;
			}
		}
		return idx;
	}

	function isNthOf(elm, pattern, dir) {
		var position = getNthIndex(elm, dir), loop;
		if (pattern == "odd" || pattern == "even") {
			loop = 2;
			position -= !(pattern == "odd");
		} else {
			var nth = pattern.indexOf("n");
			if (nth > -1) {
				loop = parseInt(pattern, 10) || parseInt(pattern.substring(0, nth) + "1", 10);
				position -= (parseInt(pattern.substring(nth + 1), 10) || 0) - 1;
			} else {
				loop = position + 1;
				position -= parseInt(pattern, 10) - 1;
			}
		}
		return (loop<0 ? position<=0 : position >= 0) && position % loop == 0
	}

	var pseudos = {
		"first-of-type": function(elm) {
			return getNthIndex(elm, "previousSibling") == 0;
		},
		"last-of-type": function(elm) { 
			return getNthIndex(elm, "nextSibling") == 0;
		},
		"only-of-type": function(elm) { 
			return pseudos["first-of-type"](elm) && pseudos["last-of-type"](elm);
		},
		"nth-of-type": function(elm, i, match) {
			return isNthOf(elm, match[3], "previousSibling");
		},
		"nth-last-of-type": function(elm, i, match) {
			return isNthOf(elm, match[3], "nextSibling");
		}		
	}
	$.extend($.expr[':'], pseudos);
}(jQuery));