/* SWFObject v2.1 <http://code.google.com/p/swfobject/>
	Copyright (c) 2007-2008 Geoff Stearns, Michael Williams, and Bobby van der Sluis
	This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*/
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 * Date: 2009-02-19 17:34:21 -0500 (Thu, 19 Feb 2009)
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				windowHeight = window.innerHeight;
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				windowHeight = document.body.clientHeight;
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			else if (document.documentElement && document.documentElement.clientHeight)
			{ w = document.documentElement.clientWidth; h = document.documentElement.clientHeight; }
			else if (document.body) // other Explorers
			{ w = document.body.clientWidth; h = document.body.clientHeight; }
			return {x: x, y: y, w: w, h: h};
		}
	});
	$.fn.extend({
		any: function(p) {
			for (var i = 0; i < this.length; ++i)
				if (p.call(this[i])) return true;
			return false;
		},
		contains: function(node) {
			return this.any(function() { return this == node; });
		},
		calendar: function() {
			return this.each(function() {
				var dateField = $(this);
				
				// Create calendar object and bind to a "trigger" icon
				var cal = new Calendar(1, null, function(cal, date) { dateField.val(date); if (cal.dateClicked) cal.hide(); }, function(cal) { cal.hide(); });
				cal.create()
				cal.setDateFormat("%e/%m/%Y");
				cal.yearStep = 1;
				var trigger = $("<a href='#'><img src='/images/calendar-icon.png' /></a>");
				trigger.click(function() {
					cal.parseDate(dateField.val());
					cal.showAtElement(trigger[0], "CR");
					return false;
				});
				dateField.after(trigger).after($("<span>&nbsp;</span>"));
			});
			return this;
		},
		backgroundSubmit: function(callback) {
			// Submit the selected form or forms to a hidden iframe
			return this.each(function() {
				if (this.nodeName != "FORM") throw "Can't backgroundSubmit() something that isn't a form";
				var form = $(this);
				
				var submitValues = {};
				
				function doneLoading() {
					if (this.contentWindow.location.href != "about:blank") {
						var successful = true;
						if (this.contentWindow.formErrors)
						{
							// Form submission has validation errors
							form.showErrors(this.contentWindow.formErrors);
							successful = false;
							
							// Let the page redraw before showing the dialog
							setTimeout(function() { alert("There were some problems with your submission. Please see above for details."); }, 0);
						}
						
						if (callback) callback.call(this.contentWindow, submitValues, successful);
						
						// If the iframe is removed now, Firefox gets stuck showing a loading icon in the tab bar; use a timeout to prevent that
						var iframe = $(this);
						setTimeout(function() { iframe.remove(); }, 0);
					}
				}
				
				// Make a second form in order to submit without triggering events in Chrome
				var frameName = "bgsubmit_" + (""+Math.random()).substr(2);
				var hiddenFrame = $("<iframe style='display:none' src='about:blank' name='" + $.esc(frameName) + "'></iframe>").load(doneLoading).appendTo($(document.body));
				var surrogateForm = $("<form />").attr({
					action: form.attr("action"),
					method: "post",
					target: frameName,
					enctype: form.attr("enctype")
				}).hide().appendTo(document.body);
				
				// Copy form values
				$(form.serializeArray()).each(function () {
					surrogateForm.append('<input type=hidden name="'+$.esc(this.name)+'" value="'+$.esc(this.value)+'" />');
					submitValues[this.name] = this.value;
				});
				
				// Can't copy file fields in IE. *Move* the file fields, submit and move them back.
				surrogateForm.find("input[type=file]").remove();
				
				var files = [];
				form.find("input[type=file]").each(function() {
					files.push({el: this, parent: this.parentNode, before: this.nextSibling});
					form.appendTo(surrogateForm);
				});
				
				surrogateForm.submit();
				surrogateForm.remove();
				
				surrogateForm.find("input[type=file]").remove();
				for (var i = files.length - 1; i >= 0; i--) files[i].parent.insertBefore(files[i].el, files[i].before);
			});
		},
		registerBackgroundSubmit: function(options) {
			return this.submit(function(e) {
				var form = $(this);
				e.preventDefault();
				if (options.flag) var flagField = $("<input type='hidden' value='1' name=\""+$.esc(options.flag)+"\" />").appendTo(form);
				if (options.loader) var loader = $("<span>&nbsp;</span><img src='" + $.esc(options.loader) + "' />").insertAfter(form.find("input[type=submit]").eq(0));
				form.backgroundSubmit(function(vals, successful) {
					if (options.loader) loader.remove();
					if (options.callback) options.callback.call(this, vals, successful);
				});
				if (options.flag) flagField.remove();
			});
		},
		showErrors: function(errors) {
			this.find(".error").hide();
			for (var k in errors) {
				var v = errors[k];
				var node = this.find(".error.error-"+k).show().find(".error-text").text(v);
			}
			return this;
		},
		dragdrop: function() {
			return this.each(function() {
				var list = $(this);
				list.mousedown(function(e) {
					if (e.target.nodeName != "IMG") return;
					var li = $(e.target).closest("li");
					
					// dragItem is the "floating" image that appears to be dragged around. It's actually a
					// copy of the real image, which is still in place, but hidden. I apply 15% transparency
					// to dragItem by calling fadeTo() rather than using the "opacity" CSS property.
					var dragItem = li.find("img").clone().css({position: "absolute"}).fadeTo(0, 0.85).appendTo("body");
					
					// Once the drag item is created, Opera triggers an additional mousedown event on it. This causes
					// Opera's built-in image-dragging logic to kick in, unless I call preventDefault() on that event too.
					dragItem.mousedown(function(e) { e.preventDefault(); });
					
					function reposition(e) {
						// Determine where the top-left corner of dragItem should go.
						var w = dragItem.width(), h = dragItem.height();
						var x = e.pageX - Math.floor(dragItem.width()) / 2, y = e.pageY - Math.floor(dragItem.height()) / 2;
						
						// Clamp to the list's rectangle
						var listPos = list.offset(), listW = list.width(), listH = list.height();
						x = Math.max(Math.min(x, listPos.left + listW - w), listPos.left);
						y = Math.max(Math.min(y, listPos.top  + listH - h), listPos.top );
						
						// Reposition the drag item while working around an IE 8 bug
						/*@cc_on if (@_jscript_version == 5.8) { dragItem.hide(); } @*/
						dragItem.css({left: x + "px", top: y + "px"});
						/*@cc_on if (@_jscript_version == 5.8) { dragItem.show(); } @*/
						
						// Move the hidden LI to a new position.
						// Because of borders, padding and margins, the mouse not be within an LI element.
						// Instead, locate the LI whose center is closest under the 2-norm.
						var closest = null, bestDist = 9999999;
						list.children().each(function() {
							var cur = $(this);
							var curPos = cur.offset();
							var thisDist = Math.pow(curPos.left + cur.width() / 2 - e.pageX, 2) + Math.pow(curPos.top + cur.height() / 2 - e.pageY, 2);
							if (thisDist < bestDist) { bestDist = thisDist; closest = cur; }
						});
						if (closest[0] != li[0]) {
							if (li.nextAll().contains(closest[0]))
								li.insertAfter(closest);  // If moving forwards, insert *after*
							else
								li.insertBefore(closest); // If moving backwards, insert *before*
						}
					}
					reposition(e);
					li.fadeTo(0, 0);
					$.disableTextSelection();
					$(document.documentElement).mousemove(function(e) {
						reposition(e);
						e.preventDefault();
					});
					$(document.documentElement).mouseup(function(e) {
						var targetPos = li.find("img").offset();
						dragItem.animate({left: targetPos.left + "px", top: targetPos.top + "px"}, {duration: 150, complete: function() { li.fadeTo(150, 1, function() { dragItem.remove(); }); }});
						$(document.documentElement).unbind("mousemove mouseup");
						$.enableTextSelection();
					});
					
					e.preventDefault(); // Prevent default image-dragging behaviour in some browsers
				});
			});
		},
		wait: function(time, callback) {
			return this.animate({_dummyWaitProp: ""}, time, callback);
		},
		selectOther: function() {
			function adjustVisibility() {
				if (this.value == "")
					$(this).next().addClass("js_visible").removeClass("js_hidden");
				else
					$(this).next().addClass("js_hidden").removeClass("js_visible");
			}
			return this.each(adjustVisibility).bind("click change keydown", adjustVisibility);
		}
	});
	$(function() {
		$("input.date").calendar();
		$("select.other").selectOther();
	});
	$('a[href^="#"]').live("click", function(e) {
		e.preventDefault();
		var href = $(this).attr("href");
		if (href != "#") {
			var dest = $($(this).attr("href"));
			if (dest) {
				$('html, body').animate({scrollTop: dest.offset().top}, 500);
			}
		}
	});
})(jQuery);

if (window.opera) { document.write('<style type="text/css">.am-image, .am-image-spacer, .article .odd { padding-top: 0 !important; } .spacer-r, .spacer-l { height: 11.9em !important; }</style>'); }

/*
	Lightbox JS: Fullsize Image Overlays 
	by Lokesh Dhakar - http://www.huddletogether.com

	For more information on this script, visit:
	http://huddletogether.com/projects/lightbox/

	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
	(basically, do anything you want, just leave my name and link)
*/


// If you would like to use a custom loading image or close button reference them in the next two lines.
var loadingImage = '/images/loading.gif';
var closeButton = '/images/close.gif';





//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}



//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//

function getKey(e){
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	
	if(key == 'x'){ hideLightbox(); }
}


//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	

//
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
//
function showLightbox(objLink)
{
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	var objCaption = document.getElementById('lightboxCaption');
	var objImage = document.getElementById('lightboxImage');
	var objLoadingImage = document.getElementById('loadingImage');
	var objLightboxDetails = document.getElementById('lightboxDetails');

	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// center loadingImage if it exists
	if (objLoadingImage) {
		objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
		objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + 'px');
		objLoadingImage.style.display = 'block';
	}

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';

	// preload image
	imgPreload = new Image();

	imgPreload.onload=function(){
		objImage.src = objLink.href;

		// center lightbox and make sure that the top and left values are not negative
		// and the image placed outside the viewport
		var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);
		
		objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
		objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";


		objLightboxDetails.style.width = imgPreload.width + 'px';
		
		if(objLink.getAttribute('title')){
			objCaption.style.display = 'block';
			//objCaption.style.width = imgPreload.width + 'px';
			objCaption.innerHTML = objLink.getAttribute('title');
		} else {
			objCaption.style.display = 'none';
		}
		
		// A small pause between the image loading and displaying is required with IE,
		// this prevents the previous image displaying for a short burst causing flicker.
		if (navigator.appVersion.indexOf("MSIE")!=-1){
			pause(250);
		} 

		if (objLoadingImage) {	objLoadingImage.style.display = 'none'; }

		// Hide select boxes as they will 'peek' through the image in IE
		var selects = document.getElementsByTagName("select");
        for (var i = 0; i != selects.length; i++) {
                selects[i].style.visibility = "hidden";
        }
		// Hide objects since plugin content will 'peek' through the image
		var objects = document.getElementsByTagName("object");
        for (var i = 0; i != objects.length; i++) {
                objects[i].style.visibility = "hidden";
        }

	
		objLightbox.style.display = 'block';

		// After image is loaded, update the overlay height as the new image might have
		// increased the overall page height.
		arrayPageSize = getPageSize();
		objOverlay.style.height = (arrayPageSize[1] + 'px');
		
		// Check for 'x' keypress
		listenKey();

		return false;
	}

	imgPreload.src = objLink.href;
	
}





//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';

	// make select boxes visible
	var selects = document.getElementsByTagName("select");
    for (var i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
	// show objects again
	var objects = document.getElementsByTagName("object");
    for (var i = 0; i != objects.length; i++) {
            objects[i].style.visibility = "visible";
    }

	// disable keypress listener
	document.onkeypress = '';
}




//
// initLightbox()
// Function runs on window load, going through link tags looking for rel="lightbox".
// These links receive onclick events that enable the lightbox display for their targets.
// The function also inserts html markup at the top of the page which will be used as a
// container for the overlay pattern and the inline image.
//
function initLightbox()
{
	
	if (!document.getElementsByTagName){ return; }
	var anchors = document.getElementsByTagName("a");

	// loop through all anchor tags
	for (var i=0; i<anchors.length; i++){
		var anchor = anchors[i];

		if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")){
			anchor.onclick = function () {showLightbox(this); return false;}
		}
	}

	// the rest of this code inserts html at the top of the page that looks like this:
	//
	// <div id="overlay">
	//		<a href="#" onclick="hideLightbox(); return false;"><img id="loadingImage" /></a>
	//	</div>
	// <div id="lightbox">
	//		<a href="#" onclick="hideLightbox(); return false;" title="Click anywhere to close image">
	//			<img id="closeButton" />		
	//			<img id="lightboxImage" />
	//		</a>
	//		<div id="lightboxDetails">
	//			<div id="lightboxCaption"></div>
	//			<div id="keyboardMsg"></div>
	//		</div>
	// </div>
	
	var objBody = document.getElementsByTagName("body").item(0);
	
	// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.onclick = function () {hideLightbox(); return false;}
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '90';
 	objOverlay.style.width = '100%';
	objBody.insertBefore(objOverlay, objBody.firstChild);
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// preload and create loader image
	var imgPreloader = new Image();
	
	// if loader image found, create link to hide lightbox and create loadingimage
	imgPreloader.onload=function(){

		var objLoadingImageLink = document.createElement("a");
		objLoadingImageLink.setAttribute('href','#');
		objLoadingImageLink.onclick = function () {hideLightbox(); return false;}
		objOverlay.appendChild(objLoadingImageLink);
		
		var objLoadingImage = document.createElement("img");
		objLoadingImage.src = loadingImage;
		objLoadingImage.setAttribute('id','loadingImage');
		objLoadingImage.style.position = 'absolute';
		objLoadingImage.style.zIndex = '150';
		objLoadingImageLink.appendChild(objLoadingImage);

		imgPreloader.onload=function(){};	//	clear onLoad, as IE will flip out w/animated gifs

		return false;
	}

	imgPreloader.src = loadingImage;

	// create lightbox div, same note about styles as above
	var objLightbox = document.createElement("div");
	objLightbox.setAttribute('id','lightbox');
	objLightbox.style.display = 'none';
	objLightbox.style.position = 'absolute';
	objLightbox.style.zIndex = '100';	
	objBody.insertBefore(objLightbox, objOverlay.nextSibling);
	
	// create link
	var objLink = document.createElement("a");
	objLink.setAttribute('href','#');
	objLink.setAttribute('title','Click to close');
	objLink.onclick = function () {hideLightbox(); return false;}
	objLightbox.appendChild(objLink);

	// preload and create close button image
	var imgPreloadCloseButton = new Image();

	// if close button image found, 
	imgPreloadCloseButton.onload=function(){

		var objCloseButton = document.createElement("img");
		objCloseButton.src = closeButton;
		objCloseButton.setAttribute('id','closeButton');
		objCloseButton.style.position = 'absolute';
		objCloseButton.style.zIndex = '200';
		objLink.appendChild(objCloseButton);

		return false;
	}

	imgPreloadCloseButton.src = closeButton;

	// create image
	var objImage = document.createElement("img");
	objImage.setAttribute('id','lightboxImage');
	objLink.appendChild(objImage);
	
	// create details div, a container for the caption and keyboard message
	var objLightboxDetails = document.createElement("div");
	objLightboxDetails.setAttribute('id','lightboxDetails');
	objLightbox.appendChild(objLightboxDetails);

	// create caption
	var objCaption = document.createElement("div");
	objCaption.setAttribute('id','lightboxCaption');
	objCaption.style.display = 'none';
	objLightboxDetails.appendChild(objCaption);

	// create keyboard message
	var objKeyboardMsg = document.createElement("div");
	objKeyboardMsg.setAttribute('id','keyboardMsg');
	objKeyboardMsg.innerHTML = 'press <a href="#" onclick="hideLightbox(); return false;"><kbd>x</kbd></a> to close';
	objLightboxDetails.appendChild(objKeyboardMsg);


}


jQuery(initLightbox); // run initLightbox onLoad
(function($) {
	$.extend({
		ajaxLightbox: function(address, options) {
			options = $.extend({
					width: 600
				}, options);
			
			// Create overlay div (the transparent black background)
			var overlay = $("<div id='alightboxoverlay' />")
				.css({backgroundColor: "black", opacity: 0})
				.appendTo(document.body);
			
			// Create lightbox div, including closing link, content div and loading icon
			var box = $("<div id='alightbox'><a id='alightboxcloser'><img src='/images/close.gif' width=20 height=20 alt='x' /></a><div id='alightboxcontent' /><img id='alightboxloading' src='/images/ajax-loader.gif' alt='Loading' width='24' height='24' /></div>")
				.css({opacity: 0, width: options.width})
				.appendTo(document.body);
			
			// Find the content div, then set its size and hide its contents for later
			var content = $("#alightboxcontent").css({visibility: "hidden", height: 200});
			
			// Fade in the elements
			box.animate({opacity: 1}, 150, function() { box.css({opacity: ""}); });
			overlay.animate({opacity: 0.8}, 150);
			
			// Function that adjusts the size and position of the overlay and lightbox divs
			function adjust() {
				var pageDims = $.getPageSize();
				var viewport = $.getViewport();
				overlay.css({width: pageDims.x, height: pageDims.y});
				
				var height = content.attr("scrollHeight");
				if (height > viewport.h - 150) height = viewport.h - 150;
				
				box.css({
					left: viewport.x + (viewport.w - box.width()) / 2,
					top:  viewport.y + (viewport.h - height - 50) / 2
				});
				content.css({height: height}); 
				if (window.opera) { // Force reflow, workaround for an Opera bug
					content.css({bottom: 1});
					setTimeout(function() { content.css({bottom: 0}); }, 0);
				}
			}
			adjust();
			$(window).bind("resize scroll", adjust);
			
			// For IE 6 and earlier, find troublesome elements and hide them temporarily
			/*@cc_on
				@if (@_jscript_version <= 5.6)
					var badElems = [];
					$("embed, object, select").each(function() {
						badElems.push({elem: this, prevVal: $(this).css("visibility")});
					}).css({visibility: "hidden"});
				@end
			@*/
			$("#alightboxcloser").add(box).add(overlay).click(function(e) {
				e.preventDefault();
				box.remove();
				overlay.remove();
				$(window).unbind("resize scroll", adjust);
				// For IE 6 and earlier, redisplay the troublesome elements
				/*@cc_on
					@if (@_jscript_version <= 5.6)
						$(badElems).each(function() {
							$(this.elem).css({visibility: this.prevVal});
						});
					@end
				@*/
			});
			
			$("#alightboxcontent").load(address, function() {
				// Set a timeout to help IE7
				setTimeout(function() {
					var height = content.attr("scrollHeight");
					var viewport = $.getViewport();
					if (height > viewport.h - 150) height = viewport.h - 150;
					$("#alightboxloading").remove();
					
					// Step 1: adjust box height
					content.animate({height: height}, 250);
					box.animate({top: viewport.y + (viewport.h - height - 50) / 2}, 250, function() {
						// Step 2: fade in content
						content.css({opacity: 0, visibility: "visible"}).animate({opacity: 1}, 200, function() {
							// Step 3: set opacity to empty string to re-enable font antialiasing in IE 8
							content.css({opacity: ""});
						});
					});
				}, 0);
			});
		}
	});
	$("a[rel~=ajaxlightbox]").live("click", function(e) {
		e.preventDefault();
		$.ajaxLightbox(this.href + " #content");
	});
})(jQuery);