/* 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: 2007-07-21 18:45:56 -0500 (Sat, 21 Jul 2007) $
 * $Rev: 2447 $
 *
 * Version 2.1.1
 */
(function($){
    $.fn.bgIframe=$.fn.bgiframe=function(s){
        if($.browser.msie&&/6.0/.test(navigator.userAgent)){
            s=$.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).length==0)this.insertBefore(document.createElement(html),this.firstChild);
            });
        }
        return this;
    };

})(jQuery);