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/* Copyright (c) 2007 Paul Bakaus (paul.bakaus@googlemail.com) and Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
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* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
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* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
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*
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* $LastChangedDate: 2007-12-20 08:46:55 -0600 (Thu, 20 Dec 2007) $
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* $Rev: 4259 $
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*
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* Version: 1.2
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*
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* Requires: jQuery 1.2+
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*/
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(function($){
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$.dimensions = {
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version: '1.2'
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};
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// Create innerHeight, innerWidth, outerHeight and outerWidth methods
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$.each( [ 'Height', 'Width' ], function(i, name){
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// innerHeight and innerWidth
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$.fn[ 'inner' + name ] = function() {
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if (!this[0]) return;
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var torl = name == 'Height' ? 'Top' : 'Left', // top or left
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borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right
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return this.is(':visible') ? this[0]['client' + name] : num( this, name.toLowerCase() ) + num(this, 'padding' + torl) + num(this, 'padding' + borr);
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};
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// outerHeight and outerWidth
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$.fn[ 'outer' + name ] = function(options) {
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if (!this[0]) return;
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var torl = name == 'Height' ? 'Top' : 'Left', // top or left
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borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right
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options = $.extend({ margin: false }, options || {});
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var val = this.is(':visible') ?
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this[0]['offset' + name] :
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num( this, name.toLowerCase() )
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+ num(this, 'border' + torl + 'Width') + num(this, 'border' + borr + 'Width')
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+ num(this, 'padding' + torl) + num(this, 'padding' + borr);
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return val + (options.margin ? (num(this, 'margin' + torl) + num(this, 'margin' + borr)) : 0);
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};
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});
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// Create scrollLeft and scrollTop methods
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$.each( ['Left', 'Top'], function(i, name) {
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$.fn[ 'scroll' + name ] = function(val) {
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if (!this[0]) return;
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return val != undefined ?
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// Set the scroll offset
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this.each(function() {
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this == window || this == document ?
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window.scrollTo(
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name == 'Left' ? val : $(window)[ 'scrollLeft' ](),
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name == 'Top' ? val : $(window)[ 'scrollTop' ]()
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) :
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this[ 'scroll' + name ] = val;
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}) :
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// Return the scroll offset
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this[0] == window || this[0] == document ?
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self[ (name == 'Left' ? 'pageXOffset' : 'pageYOffset') ] ||
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$.boxModel && document.documentElement[ 'scroll' + name ] ||
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document.body[ 'scroll' + name ] :
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this[0][ 'scroll' + name ];
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};
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});
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$.fn.extend({
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position: function() {
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var left = 0, top = 0, elem = this[0], offset, parentOffset, offsetParent, results;
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if (elem) {
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// Get *real* offsetParent
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offsetParent = this.offsetParent();
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// Get correct offsets
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offset = this.offset();
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parentOffset = offsetParent.offset();
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// Subtract element margins
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offset.top -= num(elem, 'marginTop');
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offset.left -= num(elem, 'marginLeft');
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// Add offsetParent borders
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parentOffset.top += num(offsetParent, 'borderTopWidth');
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parentOffset.left += num(offsetParent, 'borderLeftWidth');
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// Subtract the two offsets
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results = {
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top: offset.top - parentOffset.top,
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left: offset.left - parentOffset.left
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};
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}
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return results;
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},
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offsetParent: function() {
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var offsetParent = this[0].offsetParent;
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while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && $.css(offsetParent, 'position') == 'static') )
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offsetParent = offsetParent.offsetParent;
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return $(offsetParent);
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}
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});
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function num(el, prop) {
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return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;
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};
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})(jQuery);
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