太空漫遊
<BODY BGCOLOR="#000000" onLoad="fly()">
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
SmallStars = 30;
LargeStars = 10;
SmallYpos = new Array();
SmallXpos = new Array();
LargeYpos = new Array();
LargeXpos = new Array();
Smallspeed= new Array();
Largespeed= new Array();
ns=(document.layers)?1:0;
if (ns) {
for (i = 0; i < SmallStars; i++) {
document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0 BGCOLOR='#FFFFF0' CLIP='0,0,1,1'></LAYER>");
}
for (i = 0; i < LargeStars; i++) {
document.write("<LAYER NAME='ln"+i+"' LEFT=0 TOP=0 BGCOLOR='#FFFFFF' CLIP='0,0,2,2'></LAYER>");
}
}
else {
document.write('<div style="position:absolute;top:0px;left:0px">');
document.write('<div style="position:relative">');
for (i = 0; i < SmallStars; i++) {
document.write('<div id="si" style="position:absolute;top:0;left:0;width:1px;height:1px;background:#fffff0;font-size:1px"></div>');
}
document.write('</div>');
document.write('</div>');
document.write('<div style="position:absolute;top:0px;left:0px">');
document.write('<div style="position:relative">');
for (i = 0; i < LargeStars; i++) {
document.write('<div id="li" style="position:absolute;top:0;left:0;width:2px;height:2px;background:#ffffff;font-size:2px"></div>');
}
document.write('</div>');
document.write('</div>');
}
WinHeight = (document.layers)?window.innerHeight:window.document.body.clientHeight;
WinWidth = (document.layers)?window.innerWidth:window.document.body.clientWidth;
for (i = 0; i < SmallStars; i++) {
SmallYpos = Math.round(Math.random() * WinHeight);
SmallXpos = Math.round(Math.random() * WinWidth);
Smallspeed= Math.random() * 5 + 1;
}
for (i = 0; i < LargeStars; i++) {
LargeYpos = Math.round(Math.random() * WinHeight);
LargeXpos = Math.round(Math.random() * WinWidth);
Largespeed = Math.random() * 10 + 5;
}
function fly() {
var WinHeight = (document.layers)?window.innerHeight:window.document.body.clientHeight;
var WinWidth = (document.layers)?window.innerWidth:window.document.body.clientWidth;
var hscrll = (document.layers)?window.pageYOffset:document.body.scrollTop;
var wscrll = (document.layers)?window.pageXOffset:document.body.scrollLeft;
for (i = 0; i < LargeStars; i++) {
LargeXpos -= Largespeed;
if (LargeXpos < -10) {
LargeXpos = WinWidth;
LargeYpos = Math.round(Math.random() * WinHeight);
Largespeed = Math.random() * 10 + 5;
}
if (ns) {
document.layers['ln'+i].left = LargeXpos;
document.layers['ln'+i].top = LargeYpos + hscrll;
}
else {
li.style.pixelLeft = LargeXpos;
li.style.pixelTop = LargeYpos + hscrll;
}
}
for (i = 0; i < SmallStars; i++) {
SmallXpos -= Smallspeed;
if (SmallXpos < -10) {
SmallXpos = WinWidth;
SmallYpos = Math.round(Math.random()*WinHeight);
Smallspeed = Math.random() * 5 + 1;
}
if (ns) {
document.layers['sn'+i].left = SmallXpos;
document.layers['sn'+i].top = SmallYpos+hscrll;
}
else {
si.style.pixelLeft = SmallXpos;
si.style.pixelTop = SmallYpos+hscrll;
}
}
setTimeout('fly()', 10);
}
// End -->
</script>
<!-- Script Size: 3.79 KB -->
</BODY>
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