jQuery.fn.fancyZoom = function(options){
  
	var options   = options || {};
	var directory = options && options.directory ? options.directory : '/img/fancyzoom';
	var zooming   = false;
	var htmlfunct = options.htmlfunct || false;

	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);
	});
  
	return this;
  
	function show(e) {
		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');
		
		$('#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) {
			alert(content_div);
			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
		}, 500, null, function() {
			if (options.scaleImg != true) {
				
				if (htmlfunct) zoom_content.html(htmlfunct(e.target));
				else zoom_content.html(content_div.html());
			}
			unfixBackgroundsForIE();
			zoom_close.show();
			zooming = false;
		})
		
		if (options.allowClick) return true
		else 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'
		}, 500, 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'); 
		}
	}
}