โค๊ตแต่งไอดี

ลำดับตอนที่ #4 : รูปเลื่อนขึ้นลง

...ถ้าโค้ดเยอะแล้วอย่าใส่โค้ดพวกนี้   เดี๋ยวไอดีพัง...

<!--Start Code From PremPree.Com -->

<!--เริ่ม-แสดงcode-->

<div id="point1" STYLE="position:absolute;visibility:visible;">
<img src="urlรูป">
</div>

<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var xPos = 20;
var step = 1;
var delay = 30;
var yPos = 0;
var height = 0;
var offset = 0;
var yon = 0;
var name = navigator.appName;
if (name == "Microsoft Internet Explorer") {
yPos = document.body.clientHeight;
point1.style.top = yPos;
}
else {
yPos = window.innerHeight;
document.point1.pageY = yPos;
document.point1.visibility = "hidden";
}
function changePos() {
if (yon == 0) {
yPos = yPos - step;
}
else {
yPos = yPos + step;
}
if (name == "Microsoft Internet Explorer") {
height = document.body.clientHeight;
offset = point1.offsetHeight;
}
else {
height = window.innerHeight;
offset = document.point1.clip.height;
}
if (yPos < 0) {
yon = 1;
yPos = 0;
}
if (yPos >= (height - offset)) {
yon = 0;
yPos = (height - offset);
}
if (name == "Microsoft Internet Explorer") {
point1.style.left = xPos;
point1.style.top = yPos + document.body.scrollTop;
}
else {
document.point1.pageX = xPos;
document.point1.pageY = yPos + window.pageYOffset;
}
}
function start()
{
if (name != "Microsoft Internet Explorer") {
document.point1.visibility = "visible";
}
loopfunc();
}
function loopfunc()
{
changePos();
setTimeout('loopfunc()',delay);
}
start()
// End -->
</script>
         
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