onMouseWheel

var count = 10;
function Picture()
{
count = Counting(count);
Resize(count);
return false;
}
function Counting(count){
if (event.wheelDelta >= 120)
count++;
else if (event.wheelDelta 0 || evt.wheelDelta < 0) {
                newWidth = $("#imgMain").width() - 20;
                newHeight = $("#imgMain").height() - 20;
                newLeft = $("#imgMain").position().left + 10;
                newTop = $("#imgMain").position().top + 10 - overHeight;
            }
            else {
                newWidth = $("#imgMain").width() + 20;
                newHeight = $("#imgMain").height() + 20;
                newLeft = $("#imgMain").position().left - 10;
                newTop = $("#imgMain").position().top - 10 - overHeight;
            }

            $("#imgMain").css({ left: newLeft + "px", top: newTop + "px" });

            $("#imgMain").width(newWidth);
            $("#imgMain").height(newHeight);
        }
        );

            $("#divBlock").bind("mousedown", function (e) {
                var xo = e.pageX;
                var yo = e.pageY;
                var imgLeft = $("#imgMain").position().left;
                var imgTop = $("#imgMain").position().top;
                var overHeight = $("#divBlock").height();
                $("#divBlock").bind("mousemove", function (e) {

                    window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
                    var x = e.pageX;
                    var y = e.pageY;

                    var bX = $("#imgBox").offset().left;
                    var bY = $("#imgBox").offset().top;

                    $("#imgMain").css("left", x - bX - (xo - bX) + imgLeft);
                    $("#imgMain").css("top", y - bY - (yo - bY) - overHeight + imgTop);
                });

            });

            $("#divBlock").bind("mouseup mouseout", function () {
                $("#divBlock").unbind("mousemove");
            });

        });