jQuery.fn.bgIframe=jQuery.fn.bgiframe=function(){if(!(jQuery.browser.msie&&typeof XMLHttpRequest=='function'))return this;return this.each(function(){var html='<iframe class="bgiframe" src="javascript:false;document.write(\'\');" tabindex="-1" '
+'style="display:block; position:absolute; '
+'top: expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)  || 0) * -1) + \'px\'); '
+'left:expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth) || 0) * -1) + \'px\'); '
+'z-index:-1; filter:Alpha(Opacity=\'0\'); '
+'width:expression(this.parentNode.offsetWidth + \'px\'); '
+'height:expression(this.parentNode.offsetHeight + \'px\')"/>';this.insertBefore(document.createElement(html),this.firstChild);});};