(function($){

$.fn.fancyZoom = function(options){
	
  var options   = options || {};
  var directory = options && options.directory ? options.directory : 'images';
  var zooming   = 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;">&nbsp;</td> \
                        <td class="tm" style="background:url(' + directory + '/tm.' + ext + ') 0 0 repeat-x; height:20px; overflow:hidden;">&nbsp;</td> \
                        <td class="tr" style="background:url(' + directory + '/tr.' + ext + ') 100% 0 no-repeat; width:20px; height:20px; overflow:hidden;">&nbsp;</td> \
                      </tr> \
                      <tr> \
                        <td class="ml" style="background:url(' + directory + '/ml.' + ext + ') 0 0 repeat-y; width:20px; overflow:hidden;">&nbsp;</td> \
                        <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;">&nbsp;</td> \
                      </tr> \
                      <tr> \
                        <td class="bl" style="background:url(' + directory + '/bl.' + ext + ') 0 100% no-repeat; width:20px; height:20px; overflow:hidden;">&nbsp;</td> \
                        <td class="bm" style="background:url(' + directory + '/bm.' + ext + ') 0 100% repeat-x; height:20px; overflow:hidden;">&nbsp;</td> \
                        <td class="br" style="background:url(' + directory + '/br.' + ext + ') 100% 100% no-repeat; width:20px; height:20px; overflow:hidden;">&nbsp;</td> \
                      </tr> \
                    </tbody> \
                  </table> \
                  <a href="#" title="Close" id="zoom_close" style="position:absolute; top:0; right:0;"> \
                    <img class="nobg" 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);
 // });
	$('#imglarge').click(show);
	$('#nieuwsimgs li img').click(show);
	$('#imglarge').css('cursor', 'pointer');
  return this;

  function show(e) {
    if (zooming) return false;
		zooming         = true;
		var content_div = $('#imgdiv');
  	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}
		
		if($(this).attr('id') == 'imglarge'){
			img = document.getElementById('hiddenimglarge');
			newimg = document.getElementById('hiddenimglarge').src;
			nw = img.width;
			nh = img.height;
			alert(nw);
				var img = new Image();
				el = this;
				img.onload = function(){
					nw = img.width;
					nh = img.height;
				}
				img.src = newimg;
				if(img.width > 0){
					nw = img.width;
					nh = img.height;
				}
		}
		else{
		
		
			var newimg = $(this).attr('src').replace(/large-|thumb-|_large|_thumb/, '');
			if(newimg == $(this).attr('src')){
				newimg2 = $(this).attr('src').split('.');
				newimg2[newimg2.length-1] = '_groot.'+newimg2[newimg2.length-1];
				newimg = '.';
				for(i in newimg2){
					if(i != 'remove' && i != 'in_array'){
						newimg += newimg2[i];
					}
				}
			}
			var newimgalt = $(this).attr('alt');
			var img = new Image();
			el = this;
			img.onload = function(){
				nw = img.width;
				nh = img.height;
			}
			img.src = newimg;
			if(img.width > 0){
				nw = img.width;
				nh = img.height;
			}
		}
		var width              = (nw) + 60;
		var height             = (nh) + 60;

	if(height > ($(window).height()-($(window).height()/5))) height = $(window).height()-($(window).height()/5));
	if(width > ($(window).width()-($(window).width()/5))) width = $(window).height()-($(window).height()/5));
		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) {
  		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) {
    		zoom_content.html(content_div.html());
			
		$('#zoom_content img').attr('src', newimg);
  		}
			unfixBackgroundsForIE();
			zoom_close.show();
			//alert($('.tm').width() + '-' + $('#zoom').width());
			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'
    }, 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');
    }
	}
}
})(jQuery);

$(document).ready(function(){
	$.fn.fancyZoom({scaleImage: true});
});