/* 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: 2007-07-21 18:45:56 -0500 (Sat, 21 Jul 2007) $
 * $Rev: 2447 $
 *
 * Version 2.1.1
 */
(function($){
	$.fn.bgIframe=$.fn.bgiframe=function(s){
		if($.browser.msie&&$.browser.version=="6.0"){
			//alert("ie6 from inside bgframe");
			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);