(function($){
$.extend({
	anchorStay: function() {
		var setting = $.extend({
			bodyClass : 'pStay',
			prefixClass : 'pNav',
			stayClass : 'current'
		}, $.makeArray(arguments).shift());

		var classArray = $('body').attr('class').split(' ');
		$.each(classArray, function(index, value){
			if(value.search('^'+setting.bodyClass) != -1){
				var targetClass = value.substr(setting.bodyClass.length);
				var targetAnchor = $('a.' + setting.prefixClass + targetClass).addClass(setting.stayClass);
				return targetAnchor;
			}
		});
	}
});
})(jQuery);

/*------------------------------------------------------------
	Anchor Scroll
------------------------------------------------------------*/
(function($){
$.extend({
	scrollFor : function(elem, settings, callback) {
		settings = $.extend({
			duration : 500,
			offset : 0
		}, settings);
		$('html, body').animate({ scrollTop : $(elem).offset().top - settings.offset }, settings.duration, 'easeOutQuart', function(){
			if((typeof elem).toLowerCase() == 'string' && elem.indexOf('#') != -1){
				var hash = elem.substr(1);
				location.hash = hash;
			}
			if(callback){ callback(); }
		});
	}
});
$.fn.extend({
	scrollFor : function(elem, settings, callback) {
		return this.each(function() {
			settings = $.extend({
				event : 'click'
			}, settings);
			var _this = $(this).click(function(e){
				e.preventDefault();
			});
			var _span = _this.wrap('<span />').parent('span').addClass('jqScroll');

			_span.bind(settings.event, function(e){
				if(!elem || elem!='') {
					elem = _span.find('a').attr('href');
					var hash = elem.lastIndexOf('#');
					elem = elem.substr(hash);
				}
				$.scrollFor(elem, settings, callback);
				e.preventDefault();
				e.stopPropagation();
			});
		});
	}
});
})(jQuery);

/*------------------------------------------------------------
	Anchor Popup
------------------------------------------------------------*/
(function($){
$.extend({
	parseQuery : function(query) {
		var Params = {};
		if (!query) {return Params;}// return empty object
		var Pairs = query.split(/[;&]/);
		for (var i = 0; i < Pairs.length; i++) {
			var KeyVal = Pairs[i].split('=');
			if (!KeyVal || KeyVal.length != 2) {continue;}
			var key = unescape(KeyVal[0]);
			var val = unescape(KeyVal[1]);
			val = val.replace(/＼+/g, ' ');
			Params[key] = val;
		}
		return Params;
	},
	popupWindow : function(url, winname, settings) {
		settings = $.extend({
			scrollbars : 'yes',
			location : 'yes',
			menubar : 'yes',
			resizable : 'yes',
			status : 'yes',
			toolbar : 'yes',
			directories : 'yes'
		}, settings);

		var queryString = url.replace(/^[^＼?]+[＼?]?/,'');
		var queryObject = $.parseQuery(queryString);

		if(queryObject.width){ settings.width = queryObject.width; }
		if(queryObject.height){ settings.height = queryObject.height; }
		/* anchor */
		url = url.split('?')[0];
		var option = '';
		$.each(settings, function(key, val){
			if(key == 'event') { return; }
			option += key + '=' + val + ',';
		});
		option = option.slice(0, -1);
		window.open(url, winname, option);
	}
});
$.fn.extend({
	popupWindow : function() {
		var winname = '';
		var settings = {};
		var argArray = $.makeArray(arguments);
		var arg = argArray.shift();
		var argtype = typeof arg;
		if(argtype == 'string'){
			winname = arg;
			arg = argArray.shift();
			argtype = typeof arg;
		} else {
			winname = '_blank';
		}
		if(argtype == 'object'){
			settings = arg;
		}
		return this.each(function() {
			settings = $.extend({
				event : 'click'
			}, settings);
			$(this).bind(settings.event, function(e){
				$.popupWindow(this.href, winname, settings);
				e.preventDefault();
			});
		});
	}
});
})(jQuery);