<script type = "text/javascript">
var chieu_ngang = 255;
var chieu_doc = 155;
var vien_ngoai = true;
var mau_vien = "#0000FF";
var toc_do = 6;
var gk_dieu_khien = true;
var so_mat_phang = 2;
hinh_anh = new Array("a.jpg", "","b.jpg", "","c.jpg", "","d.jpg", "");
hell = new Array(so_mat_phang / 2 + 1);
cat = new Array(so_mat_phang / 2);
gk = new Array(3 * Math.PI / 2, 0, 3 * Math.PI / 2, 11 * Math.PI / 6, Math.PI / 6, 3 * Math.PI / 2, 7 * Math.PI / 4, 0, Math.PI / 4, 3 * Math.PI / 2, 5 * Math.PI / 3, 11 * Math.PI / 6, 0, Math.PI / 6, Math.PI / 3);
var gkOf = so_mat_phang == 4 ? 0 : so_mat_phang == 6 ? 2 : so_mat_phang == 8 ? 5 : 9;
phuoc_hau = new Array(hinh_anh.length);
var goc = gk_dieu_khien ? Math.PI / (so_mat_phang / 2) : 0,
gks = so_mat_phang,
ngang_max, tong_so, dung = false,
i, bu_trai, nua = so_mat_phang / 2;
function chay_vong() {
if (document.getElementById) {
for (i = 0; i < hinh_anh.length; i += 2) {
phuoc_hau[i] = new Image();
phuoc_hau[i].src = hinh_anh[i]
}
ngang_max = chieu_ngang / Math.sin(Math.PI / so_mat_phang) + nua + 1;
Car_Div = document.getElementById("chay_vong");
for (i = 0; i < nua; i++) {
hell[i] = document.createElement("img");
Car_Div.appendChild(hell[i]);
hell[i].style.position = "absolute";
hell[i].style.top = 0 + "px";
hell[i].style.height = chieu_doc + "px";
if (vien_ngoai) {
hell[i].style.borderStyle = "solid";
hell[i].style.borderWidth = 1 + "px";
hell[i].style.borderColor = mau_vien
}
hell[i].src = hinh_anh[2 * i];
hell[i].lnk = hinh_anh[2 * i + 1];
hell[i].onclick = duong_dan;
hell[i].onmouseover = dung_hinh;
hell[i].onmouseout = chay_lai
}
nhung_hinh_anh()
}
}
function nhung_hinh_anh() {
if (!dung) {
tong_so = 0;
for (i = 0; i < nua; i++) {
cat[i] = Math.round(Math.cos(Math.abs(gk[gkOf + i] + goc)) * chieu_ngang);
tong_so += cat[i]
}
bu_trai = (ngang_max - tong_so) / 2;
for (i = 0; i < nua; i++) {
hell[i].style.left = bu_trai + "px";
hell[i].style.width = cat[i] + "px";
bu_trai += cat[i]
}
goc += toc_do / 720 * Math.PI * (gk_dieu_khien ? -1 : 1);
if ((gk_dieu_khien && goc <= 0) || (!gk_dieu_khien && goc >= Math.PI / nua)) {
if (gks == hinh_anh.length) gks = 0;
if (gk_dieu_khien) {
hell[nua] = hell[0];
for (i = 0; i < nua; i++) hell[i] = hell[i + 1];
hell[nua - 1].src = hinh_anh[gks];
hell[nua - 1].lnk = hinh_anh[gks + 1]
}
else {
for (i = nua; i > 0; i--) hell[i] = hell[i - 1];
hell[0] = hell[nua];
hell[0].src = hinh_anh[gks];
hell[0].lnk = hinh_anh[gks + 1]
}
goc = gk_dieu_khien ? Math.PI / nua : 0;
gks += 2
}
}
setTimeout("nhung_hinh_anh()", 50)
}
function duong_dan() { if (this.lnk) window.location.href = this.lnk}
function dung_hinh() { this.style.cursor = this.lnk ? "pointer" : "default"; dung = true;}
function chay_lai() { dung = false}
</script>
<body onload="chay_vong()">
<div id="chay_vong" style="position:relative"></div >
</form>
Thanks GKS?
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