在
<head> 与 </head> 之间加入： <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;
setTimeout('anim('+xp+','+xk+','+smer+')',
50);
}
function moveLR(objID,movingarea_width,c)
{
if (navigator.appName=="Netscape")
window_width = window.innerWidth;
else window_width = document.body.offsetWidth;
obj
= document.images[objID];
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> 在 <body> 与 </body>
之间加入： <img style="LEFT: 52px; POSITION: absolute; TOP: 21px"
height=258 src="../images/008.jpg" width=240 border=0
name=picture>
<SCRIPT language=JavaScript>
setTimeout("moveLR('picture',300,1)",10);
</SCRIPT>
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