/* Copyright (c) 2010 Brandon Aaron (http://brandonaaron.net)
 * Licensed under the MIT License (LICENSE.txt).
 *
 * Version 2.1.2
 */
(function(a)
{
	a.fn.bgiframe = (a.browser.msie && /msie 6\.0/i.test(navigator.userAgent) ? function(d)
	{
		d = a.extend({top:"auto",left:"auto",width:"auto",height:"auto",opacity:true,src:"javascript:false;"}, d);
		var c = '<iframe class="bgiframe"frameborder="0"tabindex="-1"src="' + d.src + '"style="display:block;position:absolute;z-index:-1;' + (d.opacity !== false ? "filter:Alpha(Opacity='0');" : "") + "top:" + (d.top == "auto" ? "expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+'px')" : b(d.top)) + ";left:" + (d.left == "auto" ? "expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+'px')" : b(d.left)) + ";width:" + (d.width == "auto" ? "expression(this.parentNode.offsetWidth+'px')" : b(d.width)) + ";height:" + (d.height == "auto" ? "expression(this.parentNode.offsetHeight+'px')" : b(d.height)) + ';"/>';
		return this.each(function()
						 {
							 if (a(this).children("iframe.bgiframe").length === 0) {
								 this.insertBefore(document.createElement(c), this.firstChild);
							 }
						 });
	} : function()
	{
		return this;
	});
	a.fn.bgIframe = a.fn.bgiframe;
	function b(c)
	{
		return c && c.constructor === Number ? c + "px" : c;
	}
})(jQuery);