/* Copyright (c) 2006 Brandon Aaron (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: 2007-03-19 16:02:41 +0100 (Mo, 19 Mrz 2007) $
 * $Rev: 1546 $
 */
(function($){$.fn.bgIframe=jQuery.fn.bgiframe=function(s){if(!($.browser.msie&&typeof XMLHttpRequest=='function'))return this;s=$.extend({top:'auto',left:'auto',width:'auto',height:'auto',opacity:true,src:'javascript:false;'},s||{});var prop=function(n){return n&&n.constructor==Number?n+'px':n;},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(!$('iframe.bgiframe',this)[0])this.insertBefore(document.createElement(html),this.firstChild);});};})(jQuery);