var hgt2 = $('#container');
        var bgt2 = $('#container .dopis2');

        var bgtHalfW2 = bgt2.width()/2;
        var bgtHalfH2 = bgt2.height()/2;

        hgt2.mousemove(function(event){
	    event.preventDefault();
            bgt2.show();
            var scrollLeftPos2 = $(window).scrollLeft();
            var scrollTopPos2 = $(window).scrollTop();
            var offsetLft2 = hgt2.offset().left;
            var offsetTp2 = hgt2.offset().top;
            var upX2 = event.clientX;
            var upY2 = event.clientY;
            bgt2.css({backgroundPosition : ''+(offsetLft2-upX2+bgtHalfW2-scrollLeftPos2)+'px '+(offsetTp2-upY2+bgtHalfH2-scrollTopPos2)+'px',top:''+(-offsetTp2+upY2-bgtHalfH2+scrollTopPos2)+'px',left:''+(-offsetLft2+upX2-bgtHalfW2+scrollLeftPos2)+'px'});
        });

        hgt2.mouseout(function(){
            bgt2.hide();
        });