/* 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: 2007-07-22 01:45:56 +0200 (Son, 22 Jul 2007) $
 * $Rev: 2447 $
 *
 * Version 2.1.1
 */

 
 (function($) {
    $.fn.bgIframe = $.fn.bgiframe = function(s) {
        //if ($.browser.msie && /6.0/.test(navigator.userAgent)) {
		if ( $.browser.msie && parseInt($.browser.version) === 6 ) {
            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);