说明：按下面的注释将代码复制到<body>,</body>中
效果：
setTimeout('anim('+xp+','+xk+','+smer+')', 30);
}
function moveLR(objID,movingarea_width,c)
{
if (navigator.appName=="Netscape") window_width = window.innerWidth;
else window_width = document.body.offsetWidth;
obj = document.images;
image_width = obj.width;
x1 = obj.style.left;
x = Number(x1.substring(0,x1.length-2)); // 30px -> 30
if (c == 0) {
if (movingarea_width == 0) {
right_margin = window_width - image_width;
anim(x,right_margin,1);
}
else {
right_margin = x + movingarea_width - image_width;
if (movingarea_width < x + image_width) window.alert("No space for moving!");
else anim(x,right_margin,1);
}
}
else {
if (movingarea_width == 0) right_margin = window_width - image_width;
else {
x = Math.round((window_width-movingarea_width)/2);
right_margin = Math.round((window_width+movingarea_width)/2)-image_width;
}
anim(x,right_margin,1);
}
}
//-->
setTimeout("moveLR('picture',500,1)",10);
代码：
<script language="JavaScript">
<!--
step = 0;
obj = new Image();
function anim(xp,xk,smer) //smer = direction
{
obj.style.left = x;
x += step*smer;
if (x>=(xk+xp)/2) {
if (smer == 1) step--;
else step++;
}
else {
if (smer == 1) step++;
else step--;
}
if (x >= xk) {
x = xk;
smer = -1;
}
if (x <= xp) {
x = xp;
smer = 1;
}
// if (smer > 2) smer = 3;
<!-- 改变下面括号中的数字以变换晃动的快慢，数值越大越慢//-->
setTimeout('anim('+xp+','+xk+','+smer+')', 30);
}
function moveLR(objID,movingarea_width,c)
{
if (navigator.appName=="Netscape") window_width = window.innerWidth;
else window_width = document.body.offsetWidth;
obj = document.images;
image_width = obj.width;
x1 = obj.style.left;
x = Number(x1.substring(0,x1.length-2)); // 30px -> 30
if (c == 0) {
if (movingarea_width == 0) {
right_margin = window_width - image_width;
anim(x,right_margin,1);
}
else {
right_margin = x + movingarea_width - image_width;
if (movingarea_width < x + image_width) window.alert("No space for moving!");
else anim(x,right_margin,1);
}
}
else {
if (movingarea_width == 0) right_margin = window_width - image_width;
else {
x = Math.round((window_width-movingarea_width)/2);
right_margin = Math.round((window_width+movingarea_width)/2)-image_width;
}
anim(x,right_margin,1);
}
}
//-->
</script>
<!-- 改变SRC后的图片名称和路径，改变TOP后的数字以改变图像离顶端的距离-->
<img src="http://www.eeffee.com/attachments/2007/07/29/1_200707292159241.gif" name="" style='position: absolute; top: 111px; left: 213px;' border=0 id="picture">
<script language="JavaScript">
<!--改变PICTURE后的数字以变换晃动的幅度//-->
setTimeout("moveLR('picture',500,1)",10);
</script>