軌跡游標

在 var trailLength = 15; 中修改軌跡的長度
在 var path = "圖檔連結網址"; 中修改圖檔連結的網址

<STYLE type=text/css>

</STYLE>
<SCRIPT language=JavaScript>

var trailLength = 15;
var path = "圖檔連結網址";
var isIE = false, isNav = false, range = "all.", style = ".style", i, d = 0;
var topPix = ".pixelTop", leftPix = ".pixelLeft", images, storage;
if (document.layers) {
isNav = true, range = "layers.", style = "", topPix = ".top", leftPix = ".left";
} else if (document.all) {
isIE = true;
}
function initTrail() {
images = new Array();
for (i = 0; i < parseInt(trailLength); i++) {
images[i] = new Image();
images[i].src = path;
}
storage = new Array(); 
for (i = 0; i < images.length*3; i++) {
storage[i] = 0;
}
for (i = 0; i < images.length; i++) { // make divs for IE and layers for Navigator
(isIE) ? document.write('<div id="obj' + i + '" style="position: absolute; z-Index: 100; height: 0; width: 0"><img src="' + images[i].src + '"></div>') : document.write('<layer name="obj' + i + '" width="0" height="0" z-index="100"><img src="' + images[i].src + '"></layer>');
}
trail();
}
function trail() {
for (i = 0; i < images.length; i++) {
eval("document." + range + "obj" + i + style + topPix + "=" + storage[d]);
eval("document." + range + "obj" + i + style + leftPix + "=" + storage[d+1]);
d = d+2;
}
for (i = storage.length; i >= 2; i--) {;
storage[i] = storage[i-2];
}
d = 0;
clearTimeout(timer);
var timer = setTimeout("trail()", 10);
}
function processEvent(e) { 
if (isIE) {
storage[0] = window.event.y+document.body.scrollTop+10;
storage[1] = window.event.x+document.body.scrollLeft+10;
} else {
storage[0] = e.pageY+12;
storage[1] = e.pageX+12;
   }
}
if (isNav) {
document.captureEvents(Event.MOUSEMOVE);
}
if (isIE || isNav) {
initTrail();
document.onmousemove = processEvent;
}
-->
</SCRIPT>