(function(a){a.fn.dpg_centre=function(c,f){var e=[];var b=Math.floor(Math.random()*99999);e[b]=a.extend({container:a(document)},c);this.each(function(){a(this).css({position:"absolute"});object_to_centre=a(this);d(object_to_centre);if(typeof f=="function"){f();}else{a(this).show();}a(window).bind("resize",function(){d(object_to_centre);});});function d(g){position_top=Math.round((e[b].container.height()-a(g).height())/2);position_left=Math.round((e[b].container.width()-a(g).width())/2);a(g).css({top:Math.max(0,position_top),left:Math.max(0,position_left)});}};})(jQuery);