(function($){
	$.fn.fancyZoom = function(options){
		var options   = options || {};
		var directory = options && options.directory ? options.directory : 'images';
		var zooming   = false;

		// animatin speed option add customize by rs
		var speed     = options && options.speed ? options.speed : 500;

		if ($('#zoom').length == 0) {
			var ext = $.browser.msie ? 'gif' : 'png';
			var html = '<div id="zoom" style="display:none;"> \
                          <table id="zoom_table" style="border-collapse:collapse; width:100%; height:100%;"> \
                            <tbody> \
                            <tr> \
                              <td class="tl" style="background:url(' + directory + '/tl.' + ext + ') 0 0 no-repeat; width:20px; height:20px; overflow:hidden;" /> \
                              <td class="tm" style="background:url(' + directory + '/tm.' + ext + ') 0 0 repeat-x; height:20px; overflow:hidden;" /> \
                              <td class="tr" style="background:url(' + directory + '/tr.' + ext + ') 100% 0 no-repeat; width:20px; height:20px; overflow:hidden;" /> \
                            </tr> \
                            <tr> \
                              <td class="ml" style="background:url(' + directory + '/ml.' + ext + ') 0 0 repeat-y; width:20px; overflow:hidden;" /> \
                              <td class="mm" style="background:#fff; vertical-align:top; padding:10px;"> \
                                <div id="zoom_content"> \
                                </div> \
                              </td> \
                              <td class="mr" style="background:url(' + directory + '/mr.' + ext + ') 100% 0 repeat-y;  width:20px; overflow:hidden;" /> \
                            </tr> \
                            <tr> \
                              <td class="bl" style="background:url(' + directory + '/bl.' + ext + ') 0 100% no-repeat; width:20px; height:20px; overflow:hidden;" /> \
                              <td class="bm" style="background:url(' + directory + '/bm.' + ext + ') 0 100% repeat-x; height:20px; overflow:hidden;" /> \
                              <td class="br" style="background:url(' + directory + '/br.' + ext + ') 100% 100% no-repeat; width:20px; height:20px; overflow:hidden;" /> \
                            </tr> \
                            </tbody> \
                          </table> \
                          <a href="#" title="Close" id="zoom_close" style="position:absolute; top:0; left:0;"> \
                            <img src="' + directory + '/closebox.' + ext + '" alt="Close" style="border:none; margin:0; padding:0;" /> \
                          </a> \
                        </div>';

			$('body').append(html);

			$('html').click(function(e){if($(e.target).parents('#zoom:visible').length == 0) hide();});
			$(document).keyup(function(event){
				if (event.keyCode == 27 && $('#zoom:visible').length > 0) hide();
			});

			$('#zoom_close').click(hide);
		}

		var zoom          = $('#zoom');
		var zoom_table    = $('#zoom_table');
		var zoom_close    = $('#zoom_close');
		var zoom_content  = $('#zoom_content');
		var middle_row    = $('td.ml,td.mm,td.mr');
		
		this.each(function(i) {
			$($(this).attr('href')).hide();
			$(this).click(show);
		});
		
		// fancyzoom obj dot line hide customize by rs
		this.focus(function(){
			this.blur();
		});
		
		// close button dot line hide customize by rs
		zoom_close.focus(function(){
			this.blur();
		});

		return this;

		function show(e) {
			
			// zooming setting start customize by rs
			var rap_min    = parseInt($('#rap_min').val());
			var rap_sec    = parseInt($('#rap_sec').val());
			var run_length = parseInt($('#run_length').val());
			var err_msg    = '';
			
			if (!isNumberFloat(rap_min)) {
				err_msg = '分に半角数字を入力してください。';
			} else if (!isNumberFloat(rap_sec)) {
				err_msg = '秒に半角数字を入力してください。';
			} else if (rap_min < 1 || rap_min > 99) {
				err_msg = '分は1〜99を入力してください。';
			} else if (rap_sec > 59) {
				err_msg = '秒は0〜59を入力してください。';
			} else if (run_length == 0) {
				err_msg = '1か月の練習距離を入力してください。';
			}
			
			if (err_msg) {
				zooming = true;
			} else {
				zooming = false;
			}
			// zooming settin end

			if (zooming) return false;
			zooming         = true;
			var content_div = $($(this).attr('href'));
			var zoom_width  = options.width;
			var zoom_height = options.height;

			var width       = window.innerWidth || (window.document.documentElement.clientWidth || window.document.body.clientWidth);
			var height      = window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight);
			var x           = window.pageXOffset || (window.document.documentElement.scrollLeft || window.document.body.scrollLeft);
			var y           = window.pageYOffset || (window.document.documentElement.scrollTop || window.document.body.scrollTop);
			var window_size = {'width':width, 'height':height, 'x':x, 'y':y}

			var width              = (zoom_width || content_div.width()) + 60;
			var height             = (zoom_height || content_div.height()) + 60;
			var d                  = window_size;

			// ensure that newTop is at least 0 so it doesn't hide close button
			var newTop             = Math.max((d.height/2) - (height/2) + y, 0);
			var newLeft            = (d.width/2) - (width/2);
			var curTop             = e.pageY;
			var curLeft            = e.pageX;

			zoom_close.attr('curTop', curTop);
			zoom_close.attr('curLeft', curLeft);
			zoom_close.attr('scaleImg', options.scaleImg ? 'true' : 'false');
			
			// close button position customize by rs
			var closeWidth = width - 30;
			zoom_close.css({'left' : closeWidth + 'px'});

			$('#zoom').hide().css({
				position: 'absolute',
				top		: curTop + 'px',
				left	: curLeft + 'px',
				width	: '1px',
				height	: '1px'
			});

			fixBackgroundsForIE();
			zoom_close.hide();

			if (options.closeOnClick) {
				$('#zoom').click(hide);
			}

			if (options.scaleImg) {
				zoom_content.html(content_div.html());
				$('#zoom_content img').css('width', '100%');
			} else {
				zoom_content.html('');
			}

			$('#zoom').animate({
				top     : newTop + 'px',
				left    : newLeft + 'px',
				opacity : "show",
				width   : width,
				height  : height
			}, speed, null, function() {
				if (options.scaleImg != true) {
					zoom_content.html(content_div.html());
				}
				unfixBackgroundsForIE();
				zoom_close.show();
				zooming = false;
			})
			return false;
		}

		function hide() {
			if (zooming) return false;
			
			zooming         = true;
			$('#zoom').unbind('click');
			fixBackgroundsForIE();
			if (zoom_close.attr('scaleImg') != 'true') {
				zoom_content.html('');
			}
			zoom_close.hide();
			$('#zoom').animate({
				top     : zoom_close.attr('curTop') + 'px',
				left    : zoom_close.attr('curLeft') + 'px',
				opacity : "hide",
				width   : '1px',
				height  : '1px'
			}, speed, null, function() {
				if (zoom_close.attr('scaleImg') == 'true') {
					zoom_content.html('');
				}
				unfixBackgroundsForIE();
				zooming = false;
			});
			return false;
		}

		function switchBackgroundImagesTo(to) {
			$('#zoom_table td').each(function(i) {
				var bg = $(this).css('background-image').replace(/\.(png|gif|none)\"\)$/, '.' + to + '")'); //'
				$(this).css('background-image', bg);
			});
			var close_img = zoom_close.children('img');
			var new_img = close_img.attr('src').replace(/\.(png|gif|none)$/, '.' + to);
			close_img.attr('src', new_img);
		}

		function fixBackgroundsForIE() {
			if ($.browser.msie && parseFloat($.browser.version) >= 7) {
				switchBackgroundImagesTo('gif');
			}
		}

		function unfixBackgroundsForIE() {
			if ($.browser.msie && $.browser.version >= 7) {
				switchBackgroundImagesTo('png');
			}
		}
	}
})(jQuery);