/*
! Copyright (c) 2010 Brandon Aaron (http://brandonaaron.net)
* Licensed under the MIT License (LICENSE.txt).
*
* Version 2.1.2
*/
(
function($){
$.fn.bgiframe = ($.browser.msie && /msie 6\.0/i.test(navigator.userAgent) ?
function(s) {
s = $.extend({
top : 'auto',
//
auto == .currentStyle.borderTopWidth
left : 'auto',
//
auto == .currentStyle.borderLeftWidth
width : 'auto',
//
auto == offsetWidth
height : 'auto',
//
auto == offsetHeight
opacity :
true,
src : 'javascript:false;'
}, s);
var html = '<iframe class="bgiframe"frameborder="0"tabindex="-1"src="'+s.src+'"'+
'style="display:block;position:absolute;z-index:-1;'+
(s.opacity !==
false?'filter:Alpha(Opacity=\'0\');':'')+
'top:'+(s.top=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\')':prop(s.top))+';'+
'left:'+(s.left=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\')':prop(s.left))+';'+
'width:'+(s.width=='auto'?'expression(this.parentNode.offsetWidth+\'px\')':prop(s.width))+';'+
'height:'+(s.height=='auto'?'expression(this.parentNode.offsetHeight+\'px\')':prop(s.height))+';'+
'"/>';
return
this.each(
function() {
if ( $(
this).children('iframe.bgiframe').length === 0 )
this.insertBefore( document.createElement(html),
this.firstChild );
});
} :
function() {
return
this; });
//
old alias
$.fn.bgIframe = $.fn.bgiframe;
function prop(n) {
return n && n.constructor === Number ? n + 'px' : n;
}
})(jQuery);