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1 /*! Copyright (c) 2010 Brandon Aaron (http://brandonaaron.net)
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2 * Licensed under the MIT License (LICENSE.txt).
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3 *
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4 * Version 2.1.2
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5 */
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6
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7 (function($){
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8
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9 $.fn.bgiframe = ($.browser.msie && /msie 6\.0/i.test(navigator.userAgent) ? function(s) {
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10 s = $.extend({
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11 top : 'auto', // auto == .currentStyle.borderTopWidth
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12 left : 'auto', // auto == .currentStyle.borderLeftWidth
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13 width : 'auto', // auto == offsetWidth
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14 height : 'auto', // auto == offsetHeight
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15 opacity : true,
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16 src : 'javascript:false;'
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17 }, s);
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18 var html = '<iframe class="bgiframe"frameborder="0"tabindex="-1"src="'+s.src+'"'+
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19 'style="display:block;position:absolute;z-index:-1;'+
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20 (s.opacity !== false?'filter:Alpha(Opacity=\'0\');':'')+
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21 'top:'+(s.top=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\')':prop(s.top))+';'+
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22 'left:'+(s.left=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\')':prop(s.left))+';'+
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23 'width:'+(s.width=='auto'?'expression(this.parentNode.offsetWidth+\'px\')':prop(s.width))+';'+
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24 'height:'+(s.height=='auto'?'expression(this.parentNode.offsetHeight+\'px\')':prop(s.height))+';'+
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25 '"/>';
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26 return this.each(function() {
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27 if ( $(this).children('iframe.bgiframe').length === 0 )
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28 this.insertBefore( document.createElement(html), this.firstChild );
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29 });
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30 } : function() { return this; });
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31
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32 // old alias
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33 $.fn.bgIframe = $.fn.bgiframe;
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34
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35 function prop(n) {
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36 return n && n.constructor === Number ? n + 'px' : n;
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37 }
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38
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39 })(jQuery); |
