/*
 * jQuery JavaScript Library v1.3.2
 * http://jquery.com/
 *
 * Copyright (c) 2009 John Resig
 * Dual licensed under the MIT and GPL licenses.
 * http://docs.jquery.com/License
 *
 * Date: 2009-02-19 17:34:21 -0500 (Thu, 19 Feb 2009)
 * Revision: 6246
 */
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G=this[0].getBoundingClientRect(),J=this[0].ownerDocument,F=J.body,E=J.documentElement,L=E.clientTop||F.clientTop||0,K=E.clientLeft||F.clientLeft||0,I=G.top+(self.pageYOffset||o.boxModel&&E.scrollTop||F.scrollTop)-L,H=G.left+(self.pageXOffset||o.boxModel&&E.scrollLeft||F.scrollLeft)-K;return{top:I,left:H}}}else{o.fn.offset=function(){if(!this[0]){return{top:0,left:0}}if(this[0]===this[0].ownerDocument.body){return o.offset.bodyOffset(this[0])}o.offset.initialized||o.offset.initialize();var J=this[0],G=J.offsetParent,F=J,O=J.ownerDocument,M,H=O.documentElement,K=O.body,L=O.defaultView,E=L.getComputedStyle(J,null),N=J.offsetTop,I=J.offsetLeft;while((J=J.parentNode)&&J!==K&&J!==H){M=L.getComputedStyle(J,null);N-=J.scrollTop,I-=J.scrollLeft;if(J===G){N+=J.offsetTop,I+=J.offsetLeft;if(o.offset.doesNotAddBorder&&!(o.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(J.tagName))){N+=parseInt(M.borderTopWidth,10)||0,I+=parseInt(M.borderLeftWidth,10)||0}F=G,G=J.offsetParent}if(o.offset.subtractsBorderForOverflowNotVisible&&M.overflow!=="visible"){N+=parseInt(M.borderTopWidth,10)||0,I+=parseInt(M.borderLeftWidth,10)||0}E=M}if(E.position==="relative"||E.position==="static"){N+=K.offsetTop,I+=K.offsetLeft}if(E.position==="fixed"){N+=Math.max(H.scrollTop,K.scrollTop),I+=Math.max(H.scrollLeft,K.scrollLeft)}return{top:N,left:I}}}o.offset={initialize:function(){if(this.initialized){return}var L=document.body,F=document.createElement("div"),H,G,N,I,M,E,J=L.style.marginTop,K='<div style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"><div></div></div><table style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;" cellpadding="0" cellspacing="0"><tr><td></td></tr></table>';M={position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"};for(E in M){F.style[E]=M[E]}F.innerHTML=K;L.insertBefore(F,L.firstChild);H=F.firstChild,G=H.firstChild,I=H.nextSibling.firstChild.firstChild;this.doesNotAddBorder=(G.offsetTop!==5);this.doesAddBorderForTableAndCells=(I.offsetTop===5);H.style.overflow="hidden",H.style.position="relative";this.subtractsBorderForOverflowNotVisible=(G.offsetTop===-5);L.style.marginTop="1px";this.doesNotIncludeMarginInBodyOffset=(L.offsetTop===0);L.style.marginTop=J;L.removeChild(F);this.initialized=true},bodyOffset:function(E){o.offset.initialized||o.offset.initialize();var G=E.offsetTop,F=E.offsetLeft;if(o.offset.doesNotIncludeMarginInBodyOffset){G+=parseInt(o.curCSS(E,"marginTop",true),10)||0,F+=parseInt(o.curCSS(E,"marginLeft",true),10)||0}return{top:G,left:F}}};o.fn.extend({position:function(){var I=0,H=0,F;if(this[0]){var G=this.offsetParent(),J=this.offset(),E=/^body|html$/i.test(G[0].tagName)?{top:0,left:0}:G.offset();J.top-=j(this,"marginTop");J.left-=j(this,"marginLeft");E.top+=j(G,"borderTopWidth");E.left+=j(G,"borderLeftWidth");F={top:J.top-E.top,left:J.left-E.left}}return F},offsetParent:function(){var E=this[0].offsetParent||document.body;while(E&&(!/^body|html$/i.test(E.tagName)&&o.css(E,"position")=="static")){E=E.offsetParent}return o(E)}});o.each(["Left","Top"],function(F,E){var G="scroll"+E;o.fn[G]=function(H){if(!this[0]){return null}return H!==g?this.each(function(){this==l||this==document?l.scrollTo(!F?H:o(l).scrollLeft(),F?H:o(l).scrollTop()):this[G]=H}):this[0]==l||this[0]==document?self[F?"pageYOffset":"pageXOffset"]||o.boxModel&&document.documentElement[G]||document.body[G]:this[0][G]}});o.each(["Height","Width"],function(I,G){var E=I?"Left":"Top",H=I?"Right":"Bottom",F=G.toLowerCase();o.fn["inner"+G]=function(){return this[0]?o.css(this[0],F,false,"padding"):null};o.fn["outer"+G]=function(K){return this[0]?o.css(this[0],F,false,K?"margin":"border"):null};var J=G.toLowerCase();o.fn[J]=function(K){return this[0]==l?document.compatMode=="CSS1Compat"&&document.documentElement["client"+G]||document.body["client"+G]:this[0]==document?Math.max(document.documentElement["client"+G],document.body["scroll"+G],document.documentElement["scroll"+G],document.body["offset"+G],document.documentElement["offset"+G]):K===g?(this.length?o.css(this[0],J):null):this.css(J,typeof K==="string"?K:K+"px")}})})();;

var Drupal = Drupal || { 'settings': {}, 'behaviors': {}, 'themes': {}, 'locale': {} };

/**
 * Set the variable that indicates if JavaScript behaviors should be applied
 */
Drupal.jsEnabled = true;

/**
 * Attach all registered behaviors to a page element.
 *
 * Behaviors are event-triggered actions that attach to page elements, enhancing
 * default non-Javascript UIs. Behaviors are registered in the Drupal.behaviors
 * object as follows:
 * @code
 *    Drupal.behaviors.behaviorName = function () {
 *      ...
 *    };
 * @endcode
 *
 * Drupal.attachBehaviors is added below to the jQuery ready event and so
 * runs on initial page load. Developers implementing AHAH/AJAX in their
 * solutions should also call this function after new page content has been
 * loaded, feeding in an element to be processed, in order to attach all
 * behaviors to the new content.
 *
 * Behaviors should use a class in the form behaviorName-processed to ensure
 * the behavior is attached only once to a given element. (Doing so enables
 * the reprocessing of given elements, which may be needed on occasion despite
 * the ability to limit behavior attachment to a particular element.)
 *
 * @param context
 *   An element to attach behaviors to. If none is given, the document element
 *   is used.
 */
Drupal.attachBehaviors = function(context) {
  context = context || document;
  // Execute all of them.
  jQuery.each(Drupal.behaviors, function() {
    this(context);
  });
};

/**
 * Encode special characters in a plain-text string for display as HTML.
 */
Drupal.checkPlain = function(str) {
  str = String(str);
  var replace = { '&': '&amp;', '"': '&quot;', '<': '&lt;', '>': '&gt;' };
  for (var character in replace) {
    var regex = new RegExp(character, 'g');
    str = str.replace(regex, replace[character]);
  }
  return str;
};

/**
 * Translate strings to the page language or a given language.
 *
 * See the documentation of the server-side t() function for further details.
 *
 * @param str
 *   A string containing the English string to translate.
 * @param args
 *   An object of replacements pairs to make after translation. Incidences
 *   of any key in this array are replaced with the corresponding value.
 *   Based on the first character of the key, the value is escaped and/or themed:
 *    - !variable: inserted as is
 *    - @variable: escape plain text to HTML (Drupal.checkPlain)
 *    - %variable: escape text and theme as a placeholder for user-submitted
 *      content (checkPlain + Drupal.theme('placeholder'))
 * @return
 *   The translated string.
 */
Drupal.t = function(str, args) {
  // Fetch the localized version of the string.
  if (Drupal.locale.strings && Drupal.locale.strings[str]) {
    str = Drupal.locale.strings[str];
  }

  if (args) {
    // Transform arguments before inserting them
    for (var key in args) {
      switch (key.charAt(0)) {
        // Escaped only
        case '@':
          args[key] = Drupal.checkPlain(args[key]);
        break;
        // Pass-through
        case '!':
          break;
        // Escaped and placeholder
        case '%':
        default:
          args[key] = Drupal.theme('placeholder', args[key]);
          break;
      }
      str = str.replace(key, args[key]);
    }
  }
  return str;
};

/**
 * Format a string containing a count of items.
 *
 * This function ensures that the string is pluralized correctly. Since Drupal.t() is
 * called by this function, make sure not to pass already-localized strings to it.
 *
 * See the documentation of the server-side format_plural() function for further details.
 *
 * @param count
 *   The item count to display.
 * @param singular
 *   The string for the singular case. Please make sure it is clear this is
 *   singular, to ease translation (e.g. use "1 new comment" instead of "1 new").
 *   Do not use @count in the singular string.
 * @param plural
 *   The string for the plural case. Please make sure it is clear this is plural,
 *   to ease translation. Use @count in place of the item count, as in "@count
 *   new comments".
 * @param args
 *   An object of replacements pairs to make after translation. Incidences
 *   of any key in this array are replaced with the corresponding value.
 *   Based on the first character of the key, the value is escaped and/or themed:
 *    - !variable: inserted as is
 *    - @variable: escape plain text to HTML (Drupal.checkPlain)
 *    - %variable: escape text and theme as a placeholder for user-submitted
 *      content (checkPlain + Drupal.theme('placeholder'))
 *   Note that you do not need to include @count in this array.
 *   This replacement is done automatically for the plural case.
 * @return
 *   A translated string.
 */
Drupal.formatPlural = function(count, singular, plural, args) {
  var args = args || {};
  args['@count'] = count;
  // Determine the index of the plural form.
  var index = Drupal.locale.pluralFormula ? Drupal.locale.pluralFormula(args['@count']) : ((args['@count'] == 1) ? 0 : 1);

  if (index == 0) {
    return Drupal.t(singular, args);
  }
  else if (index == 1) {
    return Drupal.t(plural, args);
  }
  else {
    args['@count['+ index +']'] = args['@count'];
    delete args['@count'];
    return Drupal.t(plural.replace('@count', '@count['+ index +']'));
  }
};

/**
 * Generate the themed representation of a Drupal object.
 *
 * All requests for themed output must go through this function. It examines
 * the request and routes it to the appropriate theme function. If the current
 * theme does not provide an override function, the generic theme function is
 * called.
 *
 * For example, to retrieve the HTML that is output by theme_placeholder(text),
 * call Drupal.theme('placeholder', text).
 *
 * @param func
 *   The name of the theme function to call.
 * @param ...
 *   Additional arguments to pass along to the theme function.
 * @return
 *   Any data the theme function returns. This could be a plain HTML string,
 *   but also a complex object.
 */
Drupal.theme = function(func) {
  for (var i = 1, args = []; i < arguments.length; i++) {
    args.push(arguments[i]);
  }

  return (Drupal.theme[func] || Drupal.theme.prototype[func]).apply(this, args);
};

/**
 * Parse a JSON response.
 *
 * The result is either the JSON object, or an object with 'status' 0 and 'data' an error message.
 */
Drupal.parseJson = function (data) {
  if ((data.substring(0, 1) != '{') && (data.substring(0, 1) != '[')) {
    return { status: 0, data: data.length ? data : Drupal.t('Unspecified error') };
  }
  return eval('(' + data + ');');
};

/**
 * Freeze the current body height (as minimum height). Used to prevent
 * unnecessary upwards scrolling when doing DOM manipulations.
 */
Drupal.freezeHeight = function () {
  Drupal.unfreezeHeight();
  var div = document.createElement('div');
  $(div).css({
    position: 'absolute',
    top: '0px',
    left: '0px',
    width: '1px',
    height: $('body').css('height')
  }).attr('id', 'freeze-height');
  $('body').append(div);
};

/**
 * Unfreeze the body height
 */
Drupal.unfreezeHeight = function () {
  $('#freeze-height').remove();
};

/**
 * Wrapper around encodeURIComponent() which avoids Apache quirks (equivalent of
 * drupal_urlencode() in PHP). This function should only be used on paths, not
 * on query string arguments.
 */
Drupal.encodeURIComponent = function (item, uri) {
  uri = uri || location.href;
  item = encodeURIComponent(item).replace(/%2F/g, '/');
  return (uri.indexOf('?q=') != -1) ? item : item.replace(/%26/g, '%2526').replace(/%23/g, '%2523').replace(/\/\//g, '/%252F');
};

/**
 * Get the text selection in a textarea.
 */
Drupal.getSelection = function (element) {
  if (typeof(element.selectionStart) != 'number' && document.selection) {
    // The current selection
    var range1 = document.selection.createRange();
    var range2 = range1.duplicate();
    // Select all text.
    range2.moveToElementText(element);
    // Now move 'dummy' end point to end point of original range.
    range2.setEndPoint('EndToEnd', range1);
    // Now we can calculate start and end points.
    var start = range2.text.length - range1.text.length;
    var end = start + range1.text.length;
    return { 'start': start, 'end': end };
  }
  return { 'start': element.selectionStart, 'end': element.selectionEnd };
};

/**
 * Build an error message from ahah response.
 */
Drupal.ahahError = function(xmlhttp, uri) {
  if (xmlhttp.status == 200) {
    if (jQuery.trim(xmlhttp.responseText)) {
      var message = Drupal.t("An error occurred. \n@uri\n@text", {'@uri': uri, '@text': xmlhttp.responseText });
    }
    else {
      var message = Drupal.t("An error occurred. \n@uri\n(no information available).", {'@uri': uri });
    }
  }
  else {
    var message = Drupal.t("An HTTP error @status occurred. \n@uri", {'@uri': uri, '@status': xmlhttp.status });
  }
  return message.replace(/\n/g, '<br />');
}

// Global Killswitch on the <html> element
$(document.documentElement).addClass('js');
// Attach all behaviors.
$(document).ready(function() {
  Drupal.attachBehaviors(this);
});

/**
 * The default themes.
 */
Drupal.theme.prototype = {

  /**
   * Formats text for emphasized display in a placeholder inside a sentence.
   *
   * @param str
   *   The text to format (plain-text).
   * @return
   *   The formatted text (html).
   */
  placeholder: function(str) {
    return '<em>' + Drupal.checkPlain(str) + '</em>';
  }
};
;
/******************************************************************************
 * JQUERY FLYOUT NAVIGATION MENU PLUGIN v1.0
 * @author Keegan Watkins December 2009
 * Version 1.1 updated 20110627 by Pablo Aviles
 * 
 * Builds a flyout menu from a nested list. Wraps the list
 * content in a DOM structure, then removes and appends
 * to the <body/> element. 
 * 
 * OPTIONS :
 * 
 * 	- openPanelItemClass {String} - The class to apply to a selected <li/>
 * 		when it is opened. Defaults to "faceted-nav-open-item"
 * 	
 * 	- flyoutSelector {String} - The selector to look for within each <li/>
 * 		element. Defaults to "div", finding all nested <div/> elements
 * 	
 * 	- speed {Number} - The number, in milliseconds, to delay the execution
 * 		of panel open/close behavior. Defaults to 600, or .6 seconds
 * 
 * 	- onOpen {Function} - The function to call when a panel is opened. The 
 * 		function will be called in the context of the <li/> element, and will
 * 		be passed a reference to the event and the corresponding panel
 * 
 * 	- onClose {Function} - The function to call when a panel is closed. The 
 * 		function will be called in the context of the <li/> element, and will
 * 		be passed a reference to the event and the corresponding panel
 * 
 * 	- onClick {Function} - The function to call when a link is
 * 		clicked. The function will be called in the context of the link, and
 * 		will receive a reference to the event, the corresponding top-level 
 * 		<li/>, and the the corresponding panel
 * 
 *****************************************************************************/

// Anonymous function wrapper to preserve global variable scope and prevent 
// namespace collisions.

(function($, global) {

	// Patch JS errors when `setCookie` isn't defined
	if (!('setCookie' in global) || typeof global.setCookie === "undefined") {
		global.setCookie = function() {};
	}
	
	// Generates the HTML string for the panel wrapping DOM. Returns the panel
	// template multiplied by the count, i.e. on template per item, as string
	
	function getPanelHTML( count ) {
		// Temporary array to hold the templates
		var ret = [],
			// DOM structure template that will wrap each flyout-panel block
			html = 
			"<div class='flyout-panel-wrap'>" +
				"<div class='flyout-connector'>&nbsp;</div>" +
				"<table cellspacing='0'>" +
					"<thead>" +
						"<tr class='tr-top'>" +
							"<th class='td-left'>&nbsp;</th>" +
							"<th class='td-middle'>&nbsp;</th>" +
							"<th class='td-right'>&nbsp;</th>" +
						"</tr>" +
					"</thead>" +
					"<tbody>" +
						"<tr class='tr-center'>" +
							"<td class='td-left'>&nbsp;</td>" +
							"<td class='td-middle'>" +
								"<div class='" +
									"clearfix flyout-panel-wrap-content'/>" +
							"</td>" +
							"<td class='td-right'>&nbsp;</td>" +
						"</tr>" +
					"</tbody>" +
					"<tfoot>" +
						"<tr class='tr-bottom'>" +
							"<td class='td-left'>&nbsp;</td>" +
							"<td class='td-middle'>&nbsp;</td>" +
							"<td class='td-right'>&nbsp;</td>" +
						"</tr>" +
					"</tfoot>" +
				"</table>" +
			"</div>";
		
		// Add a copy of the template for each item in the count.
		// NOTE: While loop is faster here, as the order doesn't matter
		// and there is no condition other than "truthy" on the count
		while (count--) {
			ret.push(html);
		}
		
		// ... and then return the built string
		return ret.join("");
	}
		
	// Expose $(...).flyoutMenu() plugin
	$.fn.flyoutMenu = function(options) {
		
		// Stub out some references, will be reassigned to setTimeout instances
		var showPanel, hidePanel,
		
		// Merge options with plugin defaults
		settings = $.extend({
			// The class to apply to a selected item
			openPanelItemClass : "faceted-nav-open-item",
			// The selector to target for wrapping/removal
			flyoutSelector : "div",
			// The speed of the delay before executing open/close actions
			delay : 600,
			// The callback to execute when a panel opens
			onOpen : function() {},
			// The callback to execute when a panel closes
			onClose : function() {},
			// The callback to execute when a link is clicked, either an
			// </li>, or a link within a panel
			onClick : function() {}
		}, options);
		
		return this.each(function() {
			
			// Store a reference to the <ul/>, and add the "menu-active" class
			var ul = $(this).addClass("faceted-nav-menu-active"),
				// Find the <li/> elements that have the given selector
				lis = ul.children(),
				// Create an add a new container to hold the flyout menu panels
				panelWrap = $("<div class='flyout-panel-wrap-container'/>");
			
			panelWrap
				// Add the new DOM, a new panel for each item
				.append( getPanelHTML(lis.length) )
				// Add the container to the page
				.appendTo("body")
				// Hide the panels for now
				.children().hide();
			
			// Loop through the <li/> elements...
			lis.each(function(i, node) {
				
				// Store a reference to the current <li/>...
				var li = $(this),
					// ... and the flyout content...
					content = li.find( settings.flyoutSelector ).addClass("left"),
					// ... and the <li/>'s current offset...
					pos = li.offset(),
					// ... and the corresponding panel-container in the new DOM
					panel = panelWrap.children().eq( i );
					
					
				// Add click handlers to top level links, execute the callback 
				// and forward the event
				li.children("a").click(function(e) {
					settings.onClick.call(this, e, panel, li)
				});
				
				// If the selector was not found, abort
				if (!content.length) {
					return;
				}
				
				panel
					// Locate the inner cell in the new DOM...
					.find("tbody div.flyout-panel-wrap-content")
						// ... and add the content, showing now as the panel 
						// container is hidden
						.append( content.show() )
					// Back out of the selection, returns to the panelTable set
					.end()
					// ...position adjacent to corresponding <li/> element. 
					// NOTE: adding one to left to account for right border...
					.css({
						left : ( pos.left + li.width() + 1 ) + "px",
						top : ( pos.top ) + "px"
					})
					// Wire up events. NOTE: Using mouseenter and mouseleave to
					// enable listening at container level.
					.hover(function() {
						// Clear the queued close sequence
						clearTimeout(hidePanel);
						// Show the panel, and add the hover class
						panel.show();
						li.addClass( settings.openPanelItemClass );
					}, function() {				
						// Queue up the transition to close the panel
						hidePanel = setTimeout(function() {
							// Remove the "hover" class, set the "panelOpen" data key to false
							li.removeClass( settings.openPanelItemClass ).data("panelOpen", false);
							// Hide the panel
							panel.hide();
							// Fire the close event, will execute the onClose handler
							li.trigger("flyoutpanelclose");
						}, settings.delay);
					})
					// Find the nested <a/> elements, and add a click handler that executes
					// the callback
					.find("a")
						.click(function(e) {
							settings.onClick.call(this, e, panel, li);
						});
					
				li
					// Add the "flyout-item-parent" class to enable the twisty icon
					.addClass("flyout-item-parent")
					// Wire up events
					.hover(function() {
						// If the <li/>'s corresponding panel is open, clear the queued
						// transition to close the panel
						if( li.data("panelOpen") ) {
							clearTimeout(hidePanel);
						}
						// Queue up the transition to open the panel
						showPanel = setTimeout(function() {
							// Add the "hover" class, and set the "panelOpen" data key to true,
							li.addClass( settings.openPanelItemClass ).data("panelOpen", true);
							// Reveal the panel
							panel.show();
							// Fire the open event, will execute the onOpen handler
							li.trigger("flyoutpanelopen");
						}, settings.delay);
					}, function() {
						// Clear the queued open sequence
						clearTimeout(showPanel);
						// If the <li/>'s corresponding panel isn't open, ignore...
						if ( !li.data("panelOpen") ) {
							return;
						}
						// ... otherwise, need to queue up transition to close the panel
						hidePanel = setTimeout(function() {
							// Remove the "hover" class, set the "panelOpen" data key to false
							li.removeClass( settings.openPanelItemClass ).data("panelOpen", false);
							// Hide the panel
							panel.hide();
							// Fire the close event, will execute the onClose handler
							li.trigger("flyoutpanelclose");
						}, settings.delay);
					})
					// Bind the custom events to the config handlers, each will be 
					// called in the context of the <li/> element, and will receive a 
					// reference to the event and the panel
					.bind("flyoutpanelopen", function(e){
						settings.onOpen.call(this, e, panel);
					}).bind("flyoutpanelclose", function(e){
						settings.onClose.call(this, e, panel);
					});
					
					
					// If IE6, need to just append text-based carets to the items, to replacing the existing graphic
					if ( $.browser.msie && $.browser.version == 6) {
						li.css("position", "relative").find("a").append("<span style='position:absolute;right:8px;'>&gt;</span>");
					}
			});
		});
	};
})(jQuery, this);


$(document).ready(function() {	
	$("ul.faceted-nav").flyoutMenu({
		flyoutSelector : '>ul'
	});	
			
});

;
/***************************************************************************************
 * JQUERY ROUND v1.0
 * @author Keegan Watkins
 * 
 * Rounds the corners of each element: This plugin was designed to simplify the creation
 * of rounded corners, using sprite images and CSS backgrounds. The idea was born from
 * a few observations:
 * 
 * 	- Non-standard CSS properties like -moz-border-radius and -webkit-border-radius don't 
 * 	  yet support anti-aliasing, and don't work in Internet Explorer.
 * 
 * 	- Adding empty elements via JS minimizes the semantic bloat of the original page, and 
 * 	  degrades well in the absence of JS.
 * 
 * 	- Fluid-sizing is much more manageable. Some similar techniques use either fixed-width 
 * 	  or fixed-height containers, limiting reuse of images.
 * 
 * 	- Some JS solutions often create large chunks of DOM to avoid images, but the amount 
 * 	  of manipulation required to add hundreds of 1x1 pixel elements to the page is 
 * 	  expensive, compared to a maximum of four extra elements per container-to-round.

 * 	- Combined with proper expires-headers and cache control for the images, this technique 
 *	  can scale reasonably well.
 * 
 * OPTIONS:
 * 	- url (String)                  - The path to the background image. Required
 * 	- corners (Array)               - The array of corners to round, includes all four by default
 * 	- spriteIndex (Number)          - The position of the corner image (zero-indexed) in the sprite
 * 	- cornerRadius (Number|Object)  - The number value to use for the corner's radius, or a map
 * 	- cornerClass (String)          - The class to apply to each corner, 'ui-corner' by default
 * 
 * TODO:
 * 	- Implement an optional <canvas/> rendering
 * 	- IE6 needs some conditional love
 * 
 **************************************************************************************/

(function($) {
	
	// This is already encapsulated in the core, and should maybe be exposed as $.now() ?
	var now = function() { return +new Date() };
	
	$.fn.round = function(options){
		
		// Don't attempt IE6
		if ($.browser.msie && $.browser.version < 7) {
			return;
		}
		
		var defaults, settings, height, width, bg;
		
		// Store defaults for the corners
		defaults = {
			url: "",
			corners: ["tl", "tr", "bl", "br"],
			spriteIndex: 0,
			cornerRadius: 5,
			cornerClass: "ui-corner"
		};
		
		// Merge options/defaults
		settings = $.extend(defaults, options);
		
		// If a number is passed as the corner radius, use it for the width and height. If an object is passed in, access its properties. 
		height = isFinite( settings.cornerRadius ) ? settings.cornerRadius : settings.cornerRadius.height;
		width = isFinite( settings.cornerRadius ) ? settings.cornerRadius : settings.cornerRadius.width;
		
		// Create a map for the background values
		bg = {
			// The background-positioning from the right edge is the negative value of the corner width
			right: "-" + width + "px",
			// The background-positioning from the left edge is zero
			left: "0px",
			// If the sprite index is zero, the background-positioning from the top is zero. 
			// Otherwise, its the opposite value of twice the height multiplied by the sprite index
			top: (settings.spriteIndex === 0) ? (settings.spriteIndex + "px") : ("-" + ((height * 2) * settings.spriteIndex) + "px"),
			// If the sprite index in zero, the background-positioning from the bottom is the negative height value. 
			// Otherwise, use the position from the top plus the height
			bottom: (settings.spriteIndex === 0) ? ("-" + height + "px") : ("-" + (((height * 2) * settings.spriteIndex) + height) + "px"),
			// Background image from options
			img: settings.url
		};
		
		return this.each(function(){
			
			var target = $(this),
			 
			// Reference to container's ID with a separator: used to create unique IDs for every corner added to the page.
			// NOTE: If the container has no ID, use "jCorner_#{now() value here}_" to ensure unique IDs
			guid = target.attr("id") === "" ? "jCorner_" + now() + "_" : target.attr("id") + "_",
			
			// Create a map to represent each corner's HTML.
			corners = {
				"tl": "<span id='" + guid + "tl' class='" + settings.cornerClass + "'></span>",
				"tr": "<span id='" + guid + "tr' class='" + settings.cornerClass + "'></span>",
				"bl": "<span id='" + guid + "bl' class='" + settings.cornerClass + "'></span>",
				"br": "<span id='" + guid + "br' class='" + settings.cornerClass + "'></span>"
			},  
			
			// Determine offset from container on all edges based on border thickness: EX => border of 1px requires -1px offset from each edge
			offset = (function(){
				// Loop through the properties, normalizing the values
				var borders =  {
					top: target.css("borderTopWidth"),
					left: target.css("borderLeftWidth"),
					right: target.css("borderRightWidth"),
					bottom: target.css("borderBottomWidth")
				}
				for(var edge in borders) {
					// Parse to integer
					var parsed = parseInt(borders[edge]);
					if(parsed) {
						// If parsed to zero, use that. Otherwise, use the negative value
						borders[edge] = ("-" + parsed + "px");
					}
				}
				
				return borders;
			})();
			
			// Set container's positioning if not set: ensures that corners are positioned correctly
			// TODO: Should probably use offset() and/or position() here, at least as an option, to avoid
			// positioning the parent.
			if (target.css("position") === "static") {
				target.css("position", "relative");
			}

			// If IE6, need to force "hasLayout:true" to ensure accuracy of positioning
			// TODO: This check assumes too much: XMLHttpRequest might have been normalized 
			// elsewhere. Need to refactor to use $.support
			if (window.attachEvent && !window.XMLHttpRequest) {
				target.css("zoom", "1.0");
			}

			// Iterate through the corners map, adding each corner to the container and applying the CSS.
			$.each(corners, function(name, html){

				var unique;

				// Make sure the corner is in the settings.corners array
				if ($.inArray(name, settings.corners) === -1) {
					return;
				}

				// Switch to generate specific styles for each corner
				switch (name) {
					case "tl":
						unique = {
							top: offset.top,
							left: offset.left,
							background: "transparent url(" + bg.img + ") no-repeat " + bg.left + " " + bg.top
						};
						break;
					case "tr":
						unique = {
							top: offset.top,
							right: offset.right,
							background: "transparent url(" + bg.img + ") no-repeat " + bg.right + " " + bg.top
						};
						break;
					case "bl":
						unique = {
							bottom: offset.bottom,
							left: offset.left,
							background: "transparent url(" + bg.img + ") no-repeat " + bg.left + " " + bg.bottom
						};
						break;
					case "br":
						unique = {
							bottom: offset.bottom,
							right: offset.right,
							background: "transparent url(" + bg.img + ") no-repeat " + bg.right + " " + bg.bottom
						};
						break;
				}
				
				// Add the markup, and apply the merged styles.
				// TODO: Should consider building the entire HTML string in this loop, reducing to a single call to append().
				$(html).css($.extend({
					display: "block",
					position: "absolute",
					height: height + "px",
					width: width + "px",
					overflow: "hidden",
					padding: "0",
					margin: "0"
				}, unique)).appendTo(target);
			});
		});
	};
})(jQuery);;