(function($){jQuery.fn.backOpacity=function(settings){settings=jQuery.extend({background:'#000000',opacity:0.5},settings);jQuery(this).each(function(intIndex){var pt=parseInt($(this).css('paddingTop'));var pb=parseInt($(this).css('paddingBottom'));var pl=parseInt($(this).css('paddingLeft'));var pr=parseInt($(this).css('paddingRight'));var fixedleft=parseInt($(this).css('marginLeft'));var fixedright=parseInt($(this).css('marginRight'));var parentow=$(this).width();var fixedwidth,fixedheight,fixedleft,fixedright=0;fixedwidth=parentow+ pl+ pr;fixedheight=$(this).height()+ pt+ pb;$(document.createElement('div')).width(fixedwidth).height(fixedheight).css({backgroundColor:settings.background,opacity:settings.opacity,position:'relative',marginLeft:fixedleft+'px',marginRight:fixedright+'px',left:0,top:0,bottom:0,zIndex:((10)+intIndex*10)}).insertAfter($(this));$(this).css({width:parentow,position:'absolute',zIndex:((20)+intIndex*20)});});return jQuery;};})(jQuery);