/* 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: 2007-12-20 15:43:48 +0100 (Do, 20 Dez 2007) $
 * $Rev: 4257 $
 *
 * Version: @VERSION
 *
 * Requires: jQuery 1.2+
 */

(function($){

 $.dimensions = {
version: '@VERSION'
};

// Create innerHeight, innerWidth, outerHeight and outerWidth methods
$.each( [ 'Height', 'Width' ], function(i, name){

    // innerHeight and innerWidth
    $.fn[ 'inner' + name ] = function() {
    if (!this[0]) return;

    var torl = name == 'Height' ? 'Top'    : 'Left',  // top or left
    borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right

    return this.is(':visible') ? this[0]['client' + name] : num( this, name.toLowerCase() ) + num(this, 'padding' + torl) + num(this, 'padding' + borr);
    };

    // outerHeight and outerWidth
    $.fn[ 'outer' + name ] = function(options) {
    if (!this[0]) return;

    var torl = name == 'Height' ? 'Top'    : 'Left',  // top or left
    borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right

    options = $.extend({ margin: false }, options || {});

    var val = this.is(':visible') ? 
        this[0]['offset' + name] : 
        num( this, name.toLowerCase() )
        + num(this, 'border' + torl + 'Width') + num(this, 'border' + borr + 'Width')
        + num(this, 'padding' + torl) + num(this, 'padding' + borr);

    return val + (options.margin ? (num(this, 'margin' + torl) + num(this, 'margin' + borr)) : 0);
    };
});

// Create scrollLeft and scrollTop methods
$.each( ['Left', 'Top'], function(i, name) {
        $.fn[ 'scroll' + name ] = function(val) {
        if (!this[0]) return;

        return val != undefined ?

        // Set the scroll offset
        this.each(function() {
            this == window || this == document ?
            window.scrollTo( 
                name == 'Left' ? val : $(window)[ 'scrollLeft' ](),
                name == 'Top'  ? val : $(window)[ 'scrollTop'  ]()
                ) :
            this[ 'scroll' + name ] = val;
            }) :

        // Return the scroll offset
        this[0] == window || this[0] == document ?
        self[ (name == 'Left' ? 'pageXOffset' : 'pageYOffset') ] ||
        $.boxModel && document.documentElement[ 'scroll' + name ] ||
        document.body[ 'scroll' + name ] :
        this[0][ 'scroll' + name ];
        };
});

$.fn.extend({
position: function() {
var left = 0, top = 0, elem = this[0], offset, parentOffset, offsetParent, results;

if (elem) {
// Get *real* offsetParent
offsetParent = this.offsetParent();

// Get correct offsets
offset       = this.offset();
parentOffset = offsetParent.offset();

// Subtract element margins
offset.top  -= num(elem, 'marginTop');
offset.left -= num(elem, 'marginLeft');

// Add offsetParent borders
parentOffset.top  += num(offsetParent, 'borderTopWidth');
parentOffset.left += num(offsetParent, 'borderLeftWidth');

// Subtract the two offsets
results = {
top:  offset.top  - parentOffset.top,
      left: offset.left - parentOffset.left
};
}

return results;
},

offsetParent: function() {
                  var offsetParent = this[0].offsetParent;
                  while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && $.css(offsetParent, 'position') == 'static') )
                      offsetParent = offsetParent.offsetParent;
                  return $(offsetParent);
              }
});

function num(el, prop) {
    return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;
};

})(jQuery);