[原]超链接显示图片

window.onload = function () {
            document.getElementById('ak').onmouseover = function () {

                if (!document.getElementById('imxy')) {
                    var im = document.createElement('img');
                    im.id = 'imxy';
                    im.src = 'aa.jpg';
                    im.style.position = 'absolute';
                    var x = this.offsetLeft + 'px';
                    var y = this.offsetTop + this.offsetHeight + 'px';

                    im.style.left = x;
                    im.style.top = y;
                    document.body.appendChild(im);
                }
            };
            document.getElementById('ak').onmouseout = function () {
                if (document.getElementById('imxy')) {
                    document.body.removeChild(document.getElementById('imxy'));
                }
            };
        };