(function($){
$.fn.bgiframe=($.browser.msie&&/msie 6\.0/i.test(navigator.userAgent)?function(s){
s=$.extend({top:"auto",left:"auto",width:"auto",height:"auto",opacity:true,src:"javascript:false;"},s);
var _1="<iframe class=\"bgiframe\"frameborder=\"0\"tabindex=\"-1\"src=\""+s.src+"\""+"style=\"display:block;position:absolute;z-index:-1;"+(s.opacity!==false?"filter:Alpha(Opacity='0');":"")+"top:"+(s.top=="auto"?"expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+'px')":_2(s.top))+";"+"left:"+(s.left=="auto"?"expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+'px')":_2(s.left))+";"+"width:"+(s.width=="auto"?"expression(this.parentNode.offsetWidth+'px')":_2(s.width))+";"+"height:"+(s.height=="auto"?"expression(this.parentNode.offsetHeight+'px')":_2(s.height))+";"+"\"/>";
return this.each(function(){
if($(this).children("iframe.bgiframe").length===0){
this.insertBefore(document.createElement(_1),this.firstChild);
}
});
}:function(){
return this;
});
$.fn.bgIframe=$.fn.bgiframe;
function _2(n){
return n&&n.constructor===Number?n+"px":n;
};
})(jQuery);