(function ($) {

    jquery.fn.divfloat = function (options) {
        var own = this;
        var settings = {
            delay: 30,
            xpos: 0,
            ypos: 0,
            roll:true
        };
        jquery.extend(settings, options);
        var owntop = settings.ypos;
        var ownleft = settings.xpos;
        own.css({
            position: "absolute",
            cursor: "pointer",
            top: owntop,
            left: ownleft
        });
        var speed = 1; 

        var iwidth = own.outerwidth(true);
        var iheight = own.outerheight(true);

        var windowobj = $(window);
        var browserwidth = windowobj.width();
        var browserheight = windowobj.height();

        var scrolltop = 0; 
        own.show();
        var flagx = 0; 
        var flagy = 0; 
        var offset;
        function flowdiv() {
            offset = own.offset();
            ownleft = offset.left;
            owntop = offset.top;

            if (ownleft < (browserwidth - iwidth) && flagx == 0) {
                own.css("left", ownleft + speed);
            } else if (ownleft >= (browserwidth - iwidth) && flagx == 0) {
                flagx = 1;
            } else if (ownleft > 0 && flagx == 1) {
                own.css("left", ownleft - speed);
            } else if (ownleft <= iwidth && flagx == 1) {
                flagx = 0;
            }

            if (owntop < (browserheight + scrolltop - iheight) && flagy == 0) {
                own.css("top", owntop + speed);
            } else if (owntop >= (browserheight + scrolltop - iheight) && flagy == 0) {
                flagy = 1;
            } else if (owntop > scrolltop && flagy == 1) {
                own.css("top", owntop - speed);
            } else if (owntop <= (browserheight + scrolltop - iheight) && flagy == 1) {
                flagy = 0;
            }
        }
        var divinterval = setinterval(flowdiv, settings.delay);
        own.mouseover(function () {
            clearinterval(divinterval);
        }).mouseout(function () {
            divinterval = setinterval(flowdiv, settings.delay);
        });

        if (settings.roll) {
            var scrolltimeout;
            var oldscrolltop = 0;

            windowobj.scroll(function () {
                cleartimeout(scrolltimeout);
                clearinterval(divinterval);
                scrolltimeout = settimeout(function () {
                    offset = own.offset();

                    owntop = offset.top;
                    scrolltop = windowobj.scrolltop();
                    if (scrolltop > oldscrolltop) {
                        own.css("top", owntop + (scrolltop - oldscrolltop));
                    } else if (scrolltop < oldscrolltop) {
                        own.css("top", owntop - (oldscrolltop - scrolltop));
                    };
                    oldscrolltop = scrolltop;
                    divinterval = setinterval(flowdiv, settings.delay);
                }, 300);
            });
        } else {
        }

    }
})(jquery);