- if ( el.constructor == Object )
- el = el.get(0);
- var elem = el, color, rgbaTrans = new RegExp( "rgba\\(\\s*0,\\s*0,\\s*0,\\s*0\\s*\\)", "i" );
- do {
- color = jQuery.curCSS(elem, 'backgroundColor');
- if ( color != '' && color != 'transparent' && !color.match(rgbaTrans) || jQuery.nodeName(elem, "body") )
- break;
- } while ( elem = elem.parentNode );