/*Copyright(c)2006BrandonAaronDuallicensedundertheMIT(http://www.opensource.org/licenses/mit-license.php)andGPL(http://www.opensource.org/licenses/gpl-license.php)licenses.*/
(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);