/**
 * jQEm v0.2 - Interact with the base 'em' unit.
 *   * http://davecardwell.co.uk/javascript/jquery/plugins/jquery-em/0.2/
 * 
 * Dave Cardwell <http://davecardwell.co.uk/>
 *
 * Built on the shoulders of giants:
 *   * John Resig <http://jquery.com/>
 *
 *
 * Copyright (c) 2006 Dave Cardwell, dual licensed under the MIT and GPL
 * licenses:
 *   * http://www.opensource.org/licenses/mit-license.php
 *   * http://www.gnu.org/licenses/gpl.txt
 */


/**
 * For the latest version of this plugin, and a discussion of its usage and
 * implementation, visit:
 *   * http://davecardwell.co.uk/javascript/jquery/plugins/jquery-em/
 */

(function($) {
    /**
     * The following functions and attributes form the Public interface of the
     * jQEm plugin, accessed externally through the $.jqem object.  See the
     * relevant function definition later in the source for further
     * information.
     *
     * $.jqem.auto()
     * $.jqem.auto( bool )
     * $.jqem.init()
     *
     * $.jqem.bind( callback )
     * $.jqem.bind( callback )
     * $.jqem.unbind()
     * $.jqem.unbind( callback )
     *
     * $.jqem.trigger()
     * $.jqem.trigger( force )
     * $.jqem.trigger( force, args )
     *
     * $.jqem.active()
     * $.jqem.delay()
     * $.jqem.delay( milliseconds )
     * $.jqem.start()
     * $.jqem.stop()
     *
     * $.jqem.current()
     * $.jqem.previous()
     */
    var Public = {
        // Given a boolean argument, auto() will turn initialisation at
        // $(document).ready() on or off accordingly.  Without, it simply
        // returns the current status.  init() performs the necessary steps to
        // start the jQEm plugin.
            'auto': function( bool ) {
                        return bool != undefined ? Private.auto = bool
                                                 : Private.auto;
                    },
            'init': function() {
                        return Private.init();
                    },

        // Bind functions to and unbind functions from the 'emchange' event.
            'bind': function( callback ) {
                        return Private.bind( callback );
                    },
          'unbind': function( callback ) {
                        return Private.unbind( callback );
                    },

        // Manually trigger a 'emchange' event.
         'trigger': function( force, args ) {
                        return Private.trigger( force, args );
                    },

        // The current state of the updater, get or set the delay between
        // updates when polling for changes, and methods to start and stop
        // updating.
          'active': function() {
                        return Private.active;
                    },
           'delay': function( milliseconds ) {
                        return milliseconds ? Private.delay = milliseconds
                                            : Private.delay;
                    },
           'start': function() {
                        return Private.start();
                    },
            'stop': function() {
                        return Private.stop();
                    },

        // The current and previous detected values of the base 'em' unit.
         'current': function() {
                        return Private.current;
                    },
        'previous': function() {
                        return Private.previous;
                    }
    };

    // Allow external access to the 'Public' interface through the $.jqem
    // object.
	$.jqem = Public;



    /**
     * The following functions and attributes form the internal methods and
     * state of the jQEm plugin.  See the relevant function definition later
     * in the source for further information.
     *
     * Private.$em
     *
     * Private.active
     * Private.canExp
     * Private.current
     * Private.delay
     * Private.iid
     * Private.previous
     *
     * Private.auto
     * Private.init()
     *
     * Private.bind( callback )
     * Private.bind( callback )
     * Private.unbind()
     * Private.unbind( callback )
     *
     * Private.trigger()
     * Private.trigger( force )
     * Private.trigger( force, args )
     * Private.update()
     *
     * Private.start()
     * Private.stop()
     *
     */
    var Private = {
        // The element used in detecting changes to the base 'em' unit.
            '$em': $( document.createElement('i') ),

        // The current state of the jQEm plugin: whether or not it is active,
        // whether or not the user agent understands Internet Explorer's
        // setExpression method, the current value of the base 'em' unit, the
        // delay between updates when polling for changes, the setInterval ID
        // if the plugin is currently polling for changes to the $em object,
        // the previous detected value of the base 'em' unit.
         'active': false,
         'canExp': undefined,
        'current': undefined,
          'delay': 100,  // milliseconds
            'iid': undefined,
       'previous': undefined,

        // When auto is true (default), the init() function will be called at
        // $(document).ready().  init() itself performs the necessary steps to
        // start the jQEm plugin.
           'auto': true,
           'init': init,

        // Bind functions to and unbind functions from the 'emchange' event.
           'bind': bind,
         'unbind': unbind,

        // Trigger a 'emchange' event or when auto-updating use the 'update'
        // wrapper function.
        'trigger': trigger,
         'update': function() {
                       Private.trigger( false );
                       return '1em';
                   },

        // Start and stop automatic update detection.
          'start': start,
           'stop': stop
    };



    /**
     * Unless disabled before $(document).ready() is triggered, execute the
     * init() function.
     */
    $(document).ready(function() {
        if( Private.auto ) init();
    });


    /**
     * Perform the necessary initialisation to use the jQEm plugin.
     */
    function init() {
        // Private.$em is an empty <i> element that we add to the document's
        // body, using CSS styling to make it effectively invisible to the
        // user.  We can detect changes in the computed value of its '1em'
        // width and use this information to trigger a 'emchange' event.
        $('body').prepend(
            Private.$em.css({
                   'display': 'block',
                      'left': '-1em',
                  'position': 'absolute',
                'visibility': 'hidden',
                     'width': '1em'
            })
        );


        // Test to see whether or not we can use Internet Explorer's
        // setExpression() method and store the result for later use.
        Private.canExp = ( Private.$em.style != undefined
                        && Private.$em.style.setExpression != undefined );


        // Begin detecting changes in the base 'em' unit.
        Private.start();
    };



    /**
     * Bind the given callback function to be executed when a change is
     * detected in the size of the base 'em' unit.
     */
    function bind( callback ) {
        Private.$em.bind( 'emchange', callback );
    };


    /**
     * Unbind the given callback function from the 'emchange' event.  If no
     * callback is given, unbind all functions.
     */
    function unbind( callback ) {
        Private.$em.unbind( 'emchange', callback );
    };



    /**
     * Trigger the 'emchange' event globally.  If force is undefined or set to
     * false, explicitly make sure the value of the base 'em' unit has changed
     * since the last update.
     */
    function trigger( force, args ) {
        if( force == undefined ) force = false;

        if( force || Private.$em.width() != Private.current ) {
            Private.previous = Private.current;
            Private.current  = Private.$em.width();
            $.event.trigger( 'emchange', args );
        }
    };



    /**
     * Start detecting changes to the size of the base 'em' unit.
     */
    function start() {
        // Is detection already active?
        if( Private.active ) return;

        // Update the current and previous values of the base 'em' unit.
        Private.current = Private.previous = Private.$em.width();


        // Start detection.  If we can use Internet Explorer's setExpression
        // method do so for improved efficiency.  Otherwise, fall back on
        // polling the $em element for changes.
        if( Private.canExp ) {
            Private.$em.style.setExpression( 'width', '$.jqem.update();' );
        } else {
            Private.iid = window.setInterval( Private.update, Private.delay );
        }

        // Automatic updating is now active.
        Private.active = true;
    };


    /**
     * Stop detecting changes to the size of the base 'em' unit.
     */
    function stop() {
        // Is detection already stopped?
        if( !Private.active ) return;

        // Stop detection.  If we are using Internet Explorer's setExpression
        // remove them, otherwise halt the interval.
        if( Private.canExp ) {
            Private.$em.style.removeExpression('width');
        } else {
            window.removeInterval( Private.iid );
        }
    };
})(jQuery);
/* Copyright (c) 2007 Paul Bakaus (paul.bakaus@googlemail.com) and Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * $LastChangedDate: 2007-06-22 04:38:37 +0200 (Fr, 22 Jun 2007) $
 * $Rev: 2141 $
 *
 * Version: 1.0b2
 */

(function($){

// store a copy of the core height and width methods
var height = $.fn.height,
    width  = $.fn.width;

$.fn.extend({
	/**
	 * If used on document, returns the document's height (innerHeight)
	 * If used on window, returns the viewport's (window) height
	 * See core docs on height() to see what happens when used on an element.
	 *
	 * @example $("#testdiv").height()
	 * @result 200
	 *
	 * @example $(document).height()
	 * @result 800
	 *
	 * @example $(window).height()
	 * @result 400
	 *
	 * @name height
	 * @type Object
	 * @cat Plugins/Dimensions
	 */
	height: function() {
		if ( this[0] == window )
			return self.innerHeight ||
				$.boxModel && document.documentElement.clientHeight || 
				document.body.clientHeight;
		
		if ( this[0] == document )
			return Math.max( document.body.scrollHeight, document.body.offsetHeight );
		
		return height.apply(this, arguments);
	},
	
	/**
	 * If used on document, returns the document's width (innerWidth)
	 * If used on window, returns the viewport's (window) width
	 * See core docs on height() to see what happens when used on an element.
	 *
	 * @example $("#testdiv").width()
	 * @result 200
	 *
	 * @example $(document).width()
	 * @result 800
	 *
	 * @example $(window).width()
	 * @result 400
	 *
	 * @name width
	 * @type Object
	 * @cat Plugins/Dimensions
	 */
	width: function() {
		if ( this[0] == window )
			return self.innerWidth ||
				$.boxModel && document.documentElement.clientWidth ||
				document.body.clientWidth;

		if ( this[0] == document )
			return Math.max( document.body.scrollWidth, document.body.offsetWidth );

		return width.apply(this, arguments);
	},
	
	/**
	 * Returns the inner height value (without border) for the first matched element.
	 * If used on document, returns the document's height (innerHeight)
	 * If used on window, returns the viewport's (window) height
	 *
	 * @example $("#testdiv").innerHeight()
	 * @result 800
	 *
	 * @name innerHeight
	 * @type Number
	 * @cat Plugins/Dimensions
	 */
	innerHeight: function() {
		return this[0] == window || this[0] == document ?
			this.height() :
			this.is(':visible') ?
				this[0].offsetHeight - num(this, 'borderTopWidth') - num(this, 'borderBottomWidth') :
				this.height() + num(this, 'paddingTop') + num(this, 'paddingBottom');
	},
	
	/**
	 * Returns the inner width value (without border) for the first matched element.
	 * If used on document, returns the document's Width (innerWidth)
	 * If used on window, returns the viewport's (window) width
	 *
	 * @example $("#testdiv").innerWidth()
	 * @result 1000
	 *
	 * @name innerWidth
	 * @type Number
	 * @cat Plugins/Dimensions
	 */
	innerWidth: function() {
		return this[0] == window || this[0] == document ?
			this.width() :
			this.is(':visible') ?
				this[0].offsetWidth - num(this, 'borderLeftWidth') - num(this, 'borderRightWidth') :
				this.width() + num(this, 'paddingLeft') + num(this, 'paddingRight');
	},
	
	/**
	 * Returns the outer height value (including border) for the first matched element.
	 * Cannot be used on document or window.
	 *
	 * @example $("#testdiv").outerHeight()
	 * @result 1000
	 *
	 * @name outerHeight
	 * @type Number
	 * @cat Plugins/Dimensions
	 */
	outerHeight: function() {
		return this[0] == window || this[0] == document ?
			this.height() :
			this.is(':visible') ?
				this[0].offsetHeight :
				this.height() + num(this,'borderTopWidth') + num(this, 'borderBottomWidth') + num(this, 'paddingTop') + num(this, 'paddingBottom');
	},
	
	/**
	 * Returns the outer width value (including border) for the first matched element.
	 * Cannot be used on document or window.
	 *
	 * @example $("#testdiv").outerHeight()
	 * @result 1000
	 *
	 * @name outerHeight
	 * @type Number
	 * @cat Plugins/Dimensions
	 */
	outerWidth: function() {
		return this[0] == window || this[0] == document ?
			this.width() :
			this.is(':visible') ?
				this[0].offsetWidth :
				this.width() + num(this, 'borderLeftWidth') + num(this, 'borderRightWidth') + num(this, 'paddingLeft') + num(this, 'paddingRight');
	},
	
	/**
	 * Returns how many pixels the user has scrolled to the right (scrollLeft).
	 * Works on containers with overflow: auto and window/document.
	 *
	 * @example $("#testdiv").scrollLeft()
	 * @result 100
	 *
	 * @name scrollLeft
	 * @type Number
	 * @cat Plugins/Dimensions
	 */
	/**
	 * Sets the scrollLeft property and continues the chain.
	 * Works on containers with overflow: auto and window/document.
	 *
	 * @example $("#testdiv").scrollLeft(10).scrollLeft()
	 * @result 10
	 *
	 * @name scrollLeft
	 * @param Number value A positive number representing the desired scrollLeft.
	 * @type jQuery
	 * @cat Plugins/Dimensions
	 */
	scrollLeft: function(val) {
		if ( val != undefined )
			// set the scroll left
			return this.each(function() {
				if (this == window || this == document)
					window.scrollTo( val, $(window).scrollTop() );
				else
					this.scrollLeft = val;
			});
		
		// return the scroll left offest in pixels
		if ( this[0] == window || this[0] == document )
			return self.pageXOffset ||
				$.boxModel && document.documentElement.scrollLeft ||
				document.body.scrollLeft;
				
		return this[0].scrollLeft;
	},
	
	/**
	 * Returns how many pixels the user has scrolled to the bottom (scrollTop).
	 * Works on containers with overflow: auto and window/document.
	 *
	 * @example $("#testdiv").scrollTop()
	 * @result 100
	 *
	 * @name scrollTop
	 * @type Number
	 * @cat Plugins/Dimensions
	 */
	/**
	 * Sets the scrollTop property and continues the chain.
	 * Works on containers with overflow: auto and window/document.
	 *
	 * @example $("#testdiv").scrollTop(10).scrollTop()
	 * @result 10
	 *
	 * @name scrollTop
	 * @param Number value A positive number representing the desired scrollTop.
	 * @type jQuery
	 * @cat Plugins/Dimensions
	 */
	scrollTop: function(val) {
		if ( val != undefined )
			// set the scroll top
			return this.each(function() {
				if (this == window || this == document)
					window.scrollTo( $(window).scrollLeft(), val );
				else
					this.scrollTop = val;
			});
		
		// return the scroll top offset in pixels
		if ( this[0] == window || this[0] == document )
			return self.pageYOffset ||
				$.boxModel && document.documentElement.scrollTop ||
				document.body.scrollTop;

		return this[0].scrollTop;
	},
	
	/** 
	 * Returns the top and left positioned offset in pixels.
	 * The positioned offset is the offset between a positioned
	 * parent and the element itself.
	 *
	 * @example $("#testdiv").position()
	 * @result { top: 100, left: 100 }
	 * 
	 * @name position
	 * @param Map options Optional settings to configure the way the offset is calculated.
	 * @option Boolean margin Should the margin of the element be included in the calculations? False by default.
	 * @option Boolean border Should the border of the element be included in the calculations? False by default.
	 * @option Boolean padding Should the padding of the element be included in the calculations? False by default.
	 * @param Object returnObject An object to store the return value in, so as not to break the chain. If passed in the
	 *                            chain will not be broken and the result will be assigned to this object.
	 * @type Object
	 * @cat Plugins/Dimensions
	 */
	position: function(options, returnObject) {
		var elem = this[0], parent = elem.parentNode, op = elem.offsetParent,
		    options = $.extend({ margin: false, border: false, padding: false, scroll: false }, options || {}),
			x = elem.offsetLeft,
			y = elem.offsetTop, 
			sl = elem.scrollLeft, 
			st = elem.scrollTop;
			
		// Mozilla and IE do not add the border
		if ($.browser.mozilla || $.browser.msie) {
			// add borders to offset
			x += num(elem, 'borderLeftWidth');
			y += num(elem, 'borderTopWidth');
		}

		if ($.browser.mozilla) {
			do {
				// Mozilla does not add the border for a parent that has overflow set to anything but visible
				if ($.browser.mozilla && parent != elem && $.css(parent, 'overflow') != 'visible') {
					x += num(parent, 'borderLeftWidth');
					y += num(parent, 'borderTopWidth');
				}

				if (parent == op) break; // break if we are already at the offestParent
			} while ((parent = parent.parentNode) && (parent.tagName.toLowerCase() != 'body' || parent.tagName.toLowerCase() != 'html'));
		}
		
		var returnValue = handleOffsetReturn(elem, options, x, y, sl, st);
		
		if (returnObject) { $.extend(returnObject, returnValue); return this; }
		else              { return returnValue; }
	},
	
	/**
	 * Returns the location of the element in pixels from the top left corner of the viewport.
	 *
	 * For accurate readings make sure to use pixel values for margins, borders and padding.
	 * 
	 * Known issues:
	 *  - Issue: A div positioned relative or static without any content before it and its parent will report an offsetTop of 0 in Safari
	 *    Workaround: Place content before the relative div ... and set height and width to 0 and overflow to hidden
	 *
	 * @example $("#testdiv").offset()
	 * @result { top: 100, left: 100, scrollTop: 10, scrollLeft: 10 }
	 *
	 * @example $("#testdiv").offset({ scroll: false })
	 * @result { top: 90, left: 90 }
	 *
	 * @example var offset = {}
	 * $("#testdiv").offset({ scroll: false }, offset)
	 * @result offset = { top: 90, left: 90 }
	 *
	 * @name offset
	 * @param Map options Optional settings to configure the way the offset is calculated.
	 * @option Boolean margin Should the margin of the element be included in the calculations? True by default.
	 * @option Boolean border Should the border of the element be included in the calculations? False by default.
	 * @option Boolean padding Should the padding of the element be included in the calculations? False by default.
	 * @option Boolean scroll Should the scroll offsets of the parent elements be included in the calculations? True by default.
	 *                        When true it adds the totla scroll offets of all parents to the total offset and also adds two properties
	 *                        to the returned object, scrollTop and scrollLeft. 
	 * @options Boolean lite Will use offsetLite instead of offset when set to true. False by default.
	 * @param Object returnObject An object to store the return value in, so as not to break the chain. If passed in the
	 *                            chain will not be broken and the result will be assigned to this object.
	 * @type Object
	 * @cat Plugins/Dimensions
	 */
	offset: function(options, returnObject) {
		var x = 0, y = 0, sl = 0, st = 0,
		    elem = this[0], parent = this[0], op, parPos, elemPos = $.css(elem, 'position'),
		    mo = $.browser.mozilla, ie = $.browser.msie, sf = $.browser.safari, oa = $.browser.opera,
		    absparent = false, relparent = false, 
		    options = $.extend({ margin: true, border: false, padding: false, scroll: true, lite: false }, options || {});
		
		// Use offsetLite if lite option is true
		if (options.lite) return this.offsetLite(options, returnObject);
		
		if (elem.tagName.toLowerCase() == 'body') {
			// Safari is the only one to get offsetLeft and offsetTop properties of the body "correct"
			// Except they all mess up when the body is positioned absolute or relative
			x = elem.offsetLeft;
			y = elem.offsetTop;
			// Mozilla ignores margin and subtracts border from body element
			if (mo) {
				x += num(elem, 'marginLeft') + (num(elem, 'borderLeftWidth')*2);
				y += num(elem, 'marginTop')  + (num(elem, 'borderTopWidth') *2);
			} else
			// Opera ignores margin
			if (oa) {
				x += num(elem, 'marginLeft');
				y += num(elem, 'marginTop');
			} else
			// IE does not add the border in Standards Mode
			if (ie && jQuery.boxModel) {
				x += num(elem, 'borderLeftWidth');
				y += num(elem, 'borderTopWidth');
			}
		} else {
			do {
				parPos = $.css(parent, 'position');
			
				x += parent.offsetLeft;
				y += parent.offsetTop;

				// Mozilla and IE do not add the border
				if (mo || ie) {
					// add borders to offset
					x += num(parent, 'borderLeftWidth');
					y += num(parent, 'borderTopWidth');

					// Mozilla does not include the border on body if an element isn't positioned absolute and is without an absolute parent
					if (mo && parPos == 'absolute') absparent = true;
					// IE does not include the border on the body if an element is position static and without an absolute or relative parent
					if (ie && parPos == 'relative') relparent = true;
				}

				op = parent.offsetParent;
				if (options.scroll || mo) {
					do {
						if (options.scroll) {
							// get scroll offsets
							sl += parent.scrollLeft;
							st += parent.scrollTop;
						}
				
						// Mozilla does not add the border for a parent that has overflow set to anything but visible
						if (mo && parent != elem && $.css(parent, 'overflow') != 'visible') {
							x += num(parent, 'borderLeftWidth');
							y += num(parent, 'borderTopWidth');
						}
				
						parent = parent.parentNode;
					} while (parent != op);
				}
				parent = op;

				if (parent.tagName.toLowerCase() == 'body' || parent.tagName.toLowerCase() == 'html') {
					// Safari and IE Standards Mode doesn't add the body margin for elments positioned with static or relative
					if ((sf || (ie && $.boxModel)) && elemPos != 'absolute' && elemPos != 'fixed') {
						x += num(parent, 'marginLeft');
						y += num(parent, 'marginTop');
					}
					// Mozilla does not include the border on body if an element isn't positioned absolute and is without an absolute parent
					// IE does not include the border on the body if an element is positioned static and without an absolute or relative parent
					if ( (mo && !absparent && elemPos != 'fixed') || 
					     (ie && elemPos == 'static' && !relparent) ) {
						x += num(parent, 'borderLeftWidth');
						y += num(parent, 'borderTopWidth');
					}
					break; // Exit the loop
				}
			} while (parent);
		}

		var returnValue = handleOffsetReturn(elem, options, x, y, sl, st);

		if (returnObject) { $.extend(returnObject, returnValue); return this; }
		else              { return returnValue; }
	},
	
	/**
	 * Returns the location of the element in pixels from the top left corner of the viewport.
	 * This method is much faster than offset but not as accurate. This method can be invoked
	 * by setting the lite option to true in the offset method.
	 *
	 * @name offsetLite
	 * @param Map options Optional settings to configure the way the offset is calculated.
	 * @option Boolean margin Should the margin of the element be included in the calculations? True by default.
	 * @option Boolean border Should the border of the element be included in the calculations? False by default.
	 * @option Boolean padding Should the padding of the element be included in the calculations? False by default.
	 * @option Boolean scroll Should the scroll offsets of the parent elements be included in the calculations? True by default.
	 *                        When true it adds the totla scroll offets of all parents to the total offset and also adds two properties
	 *                        to the returned object, scrollTop and scrollLeft. 
	 * @param Object returnObject An object to store the return value in, so as not to break the chain. If passed in the
	 *                            chain will not be broken and the result will be assigned to this object.
	 * @type Object
	 * @cat Plugins/Dimensions
	 */
	offsetLite: function(options, returnObject) {
		var x = 0, y = 0, sl = 0, st = 0, parent = this[0], op, 
		    options = $.extend({ margin: true, border: false, padding: false, scroll: true }, options || {});
				
		do {
			x += parent.offsetLeft;
			y += parent.offsetTop;

			op = parent.offsetParent;
			if (options.scroll) {
				// get scroll offsets
				do {
					sl += parent.scrollLeft;
					st += parent.scrollTop;
					parent = parent.parentNode;
				} while(parent != op);
			}
			parent = op;
		} while (parent && parent.tagName.toLowerCase() != 'body' && parent.tagName.toLowerCase() != 'html');

		var returnValue = handleOffsetReturn(this[0], options, x, y, sl, st);

		if (returnObject) { $.extend(returnObject, returnValue); return this; }
		else              { return returnValue; }
	}
});

/**
 * Handles converting a CSS Style into an Integer.
 * @private
 */
var num = function(el, prop) {
	return parseInt($.css(el.jquery?el[0]:el,prop))||0;
};

/**
 * Handles the return value of the offset and offsetLite methods.
 * @private
 */
var handleOffsetReturn = function(elem, options, x, y, sl, st) {
	if ( !options.margin ) {
		x -= num(elem, 'marginLeft');
		y -= num(elem, 'marginTop');
	}

	// Safari and Opera do not add the border for the element
	if ( options.border && ($.browser.safari || $.browser.opera) ) {
		x += num(elem, 'borderLeftWidth');
		y += num(elem, 'borderTopWidth');
	} else if ( !options.border && !($.browser.safari || $.browser.opera) ) {
		x -= num(elem, 'borderLeftWidth');
		y -= num(elem, 'borderTopWidth');
	}

	if ( options.padding ) {
		x += num(elem, 'paddingLeft');
		y += num(elem, 'paddingTop');
	}
	
	// do not include scroll offset on the element
	if ( options.scroll ) {
		sl -= elem.scrollLeft;
		st -= elem.scrollTop;
	}

	return options.scroll ? { top: y - st, left: x - sl, scrollTop:  st, scrollLeft: sl }
	                      : { top: y, left: x };
};

})(jQuery);


/*
 * jQuery Tooltip plugin 1.2
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-tooltip/
 * http://docs.jquery.com/Plugins/Tooltip
 *
 * Copyright (c) 2006 - 2008 JÃ¶rn Zaefferer
 *
 * $Id: jquery.tooltip.js 4569 2008-01-31 19:36:35Z joern.zaefferer $
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
 
;(function($) {
	
		// the tooltip element
	var helper = {},
		// the current tooltipped element
		current,
		// the title of the current element, used for restoring
		title,
		// timeout id for delayed tooltips
		tID,
		// IE 5.5 or 6
		IE = $.browser.msie && /MSIE\s(5\.5|6\.)/.test(navigator.userAgent),
		// flag for mouse tracking
		track = false;
	
	$.tooltip = {
		blocked: false,
		defaults: {
			delay: 200,
			showURL: true,
			extraClass: "",
			top: 15,
			left: 15,
			id: "tooltip"
		},
		block: function() {
			$.tooltip.blocked = !$.tooltip.blocked;
		}
	};
	
	$.fn.extend({
		tooltip: function(settings) {
			settings = $.extend({}, $.tooltip.defaults, settings);
			createHelper(settings);
			return this.each(function() {
					$.data(this, "tooltip-settings", settings);
					// copy tooltip into its own expando and remove the title
					this.tooltipText = this.title;
					$(this).removeAttr("title");
					// also remove alt attribute to prevent default tooltip in IE
					this.alt = "";
				})
				.hover(save, hide)
				.click(hide);
		},
		fixPNG: IE ? function() {
			return this.each(function () {
				var image = $(this).css('backgroundImage');
				if (image.match(/^url\(["']?(.*\.png)["']?\)$/i)) {
					image = RegExp.$1;
					$(this).css({
						'backgroundImage': 'none',
						'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='" + image + "')"
					}).each(function () {
						var position = $(this).css('position');
						if (position != 'absolute' && position != 'relative')
							$(this).css('position', 'relative');
					});
				}
			});
		} : function() { return this; },
		unfixPNG: IE ? function() {
			return this.each(function () {
				$(this).css({'filter': '', backgroundImage: ''});
			});
		} : function() { return this; },
		hideWhenEmpty: function() {
			return this.each(function() {
				$(this)[ $(this).html() ? "show" : "hide" ]();
			});
		},
		url: function() {
			return this.attr('href') || this.attr('src');
		}
	});
	
	function createHelper(settings) {
		// there can be only one tooltip helper
		if( helper.parent )
			return;
		// create the helper, h3 for title, div for url
		helper.parent = $('<div id="' + settings.id + '"><h3></h3><div class="body"></div><div class="url"></div></div>')
			// add to document
			.appendTo(document.body)
			// hide it at first
			.hide();
			
		// apply bgiframe if available
		if ( $.fn.bgiframe )
			helper.parent.bgiframe();
		
		// save references to title and url elements
		helper.title = $('h3', helper.parent);
		helper.body = $('div.body', helper.parent);
		helper.url = $('div.url', helper.parent);
	}
	
	function settings(element) {
		return $.data(element, "tooltip-settings");
	}
	
	// main event handler to start showing tooltips
	function handle(event) {
		// show helper, either with timeout or on instant
		if( settings(this).delay )
			tID = setTimeout(show, settings(this).delay);
		else
			show();
		
		// if selected, update the helper position when the mouse moves
		track = !!settings(this).track;
		$(document.body).bind('mousemove', update);
			
		// update at least once
		update(event);
	}
	
	// save elements title before the tooltip is displayed
	function save() {
		// if this is the current source, or it has no title (occurs with click event), stop
		if ( $.tooltip.blocked || this == current || (!this.tooltipText && !settings(this).bodyHandler) )
			return;

		// save current
		current = this;
		title = this.tooltipText;
		
		if ( settings(this).bodyHandler ) {
			helper.title.hide();
			var bodyContent = settings(this).bodyHandler.call(this);
			if (bodyContent.nodeType || bodyContent.jquery) {
				helper.body.empty().append(bodyContent)
			} else {
				helper.body.html( bodyContent );
			}
			helper.body.show();
		} else if ( settings(this).showBody ) {
			var parts = title.split(settings(this).showBody);
			helper.title.html(parts.shift()).show();
			helper.body.empty();
			for(var i = 0, part; part = parts[i]; i++) {
				if(i > 0)
					helper.body.append("<br/>");
				helper.body.append(part);
			}
			helper.body.hideWhenEmpty();
		} else {
			helper.title.html(title).show();
			helper.body.hide();
		}
		
		// if element has href or src, add and show it, otherwise hide it
		if( settings(this).showURL && $(this).url() )
			helper.url.html( $(this).url().replace('http://', '') ).show();
		else 
			helper.url.hide();
		
		// add an optional class for this tip
		helper.parent.addClass(settings(this).extraClass);

		// fix PNG background for IE
		if (settings(this).fixPNG )
			helper.parent.fixPNG();
			
		handle.apply(this, arguments);
	}
	
	// delete timeout and show helper
	function show() {
		tID = null;
		helper.parent.show();
		update();
	}
	
	/**
	 * callback for mousemove
	 * updates the helper position
	 * removes itself when no current element
	 */
	function update(event)	{
		if($.tooltip.blocked)
			return;
		
		// stop updating when tracking is disabled and the tooltip is visible
		if ( !track && helper.parent.is(":visible")) {
			$(document.body).unbind('mousemove', update)
		}
		
		// if no current element is available, remove this listener
		if( current == null ) {
			$(document.body).unbind('mousemove', update);
			return;	
		}
		
		// remove position helper classes
		helper.parent.removeClass("viewport-right").removeClass("viewport-bottom");
		
		var left = helper.parent[0].offsetLeft;
		var top = helper.parent[0].offsetTop;
		if(event) {
			// position the helper 15 pixel to bottom right, starting from mouse position
			left = event.pageX + settings(current).left;
			top = event.pageY + settings(current).top;
			helper.parent.css({
				left: left + 'px',
				top: top + 'px'
			});
		}
		
		var v = viewport(),
			h = helper.parent[0];
		// check horizontal position
		if(v.x + v.cx < h.offsetLeft + h.offsetWidth) {
			left -= h.offsetWidth + 20 + settings(current).left;
			helper.parent.css({left: left + 'px'}).addClass("viewport-right");
		}
		// check vertical position
		if(v.y + v.cy < h.offsetTop + h.offsetHeight) {
			top -= h.offsetHeight + 20 + settings(current).top;
			helper.parent.css({top: top + 'px'}).addClass("viewport-bottom");
		}
	}
	
	function viewport() {
		return {
			x: $(window).scrollLeft(),
			y: $(window).scrollTop(),
			cx: $(window).width(),
			cy: $(window).height()
		};
	}
	
	// hide helper and restore added classes and the title
	function hide(event) {
		if($.tooltip.blocked)
			return;
		// clear timeout if possible
		if(tID)
			clearTimeout(tID);
		// no more current element
		current = null;
		
		helper.parent.hide().removeClass( settings(this).extraClass );
		
		if( settings(this).fixPNG )
			helper.parent.unfixPNG();
	}
	
	$.fn.Tooltip = $.fn.tooltip;
	
})(jQuery);

/**
* hoverIntent r5 // 2007.03.27 // jQuery 1.1.2+
* <http://cherne.net/brian/resources/jquery.hoverIntent.html>
* 
* @param  f  onMouseOver function || An object with configuration options
* @param  g  onMouseOut function  || Nothing (use configuration options object)
* @author    Brian Cherne <brian@cherne.net>
*/
(function($){$.fn.hoverIntent=function(f,g){var cfg={sensitivity:7,interval:100,timeout:0};cfg=$.extend(cfg,g?{over:f,out:g}:f);var cX,cY,pX,pY;var track=function(ev){cX=ev.pageX;cY=ev.pageY;};var compare=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);if((Math.abs(pX-cX)+Math.abs(pY-cY))<cfg.sensitivity){$(ob).unbind("mousemove",track);ob.hoverIntent_s=1;return cfg.over.apply(ob,[ev]);}else{pX=cX;pY=cY;ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}};var delay=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);ob.hoverIntent_s=0;return cfg.out.apply(ob,[ev]);};var handleHover=function(e){var p=(e.type=="mouseover"?e.fromElement:e.toElement)||e.relatedTarget;while(p&&p!=this){try{p=p.parentNode;}catch(e){p=this;}}if(p==this){return false;}var ev=jQuery.extend({},e);var ob=this;if(ob.hoverIntent_t){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);}if(e.type=="mouseover"){pX=ev.pageX;pY=ev.pageY;$(ob).bind("mousemove",track);if(ob.hoverIntent_s!=1){ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}}else{$(ob).unbind("mousemove",track);if(ob.hoverIntent_s==1){ob.hoverIntent_t=setTimeout(function(){delay(ev,ob);},cfg.timeout);}}};return this.mouseover(handleHover).mouseout(handleHover);};})(jQuery);
