jQuery.fn.center=function(absolute){return this.each(function(){var t=jQuery(this);t.css({position:absolute?'absolute':'fixed',left:'50%',top:'50%',zIndex:'99'}).css({marginLeft:'-'+(t.outerWidth()/2)+'px',marginTop:'-'+(t.outerHeight()/2)+'px'});if(absolute){t.css({marginTop:parseInt(t.css('marginTop'),10)+jQuery(window).scrollTop(),marginLeft:parseInt(t.css('marginLeft'),10)+jQuery(window).scrollLeft()})}})};