Hiệu ứng này giúp trang web của bạn trông như một vũ trụ bao la, với muôn ngàn ngôi sao:
Paste code này ngay sau tag <body>:
PHP Code:
<BODY BGCOLOR="#000000" onLoad="fly()">
Paste code này tiếp theo sau tag <body>: ( Các bạn nhấp chuột phải xem phần "View Source" sẽ thấy rõ )
PHP Code:
<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;he ight: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;he ight:2px;background:#ffffff;font-size:2px"></div>');
}
document.write('</div>');
document.write('</div>');
}
WinHeight = (document.layers)?window.innerHeight:window.docume nt.body.clientHeight;
WinWidth = (document.layers)?window.innerWidth:window.documen t.body.clientWidth;
for (i = 0; i < SmallStars; i++) {
SmallYpos[i] = Math.round(Math.random() * WinHeight);
SmallXpos[i] = Math.round(Math.random() * WinWidth);
Smallspeed[i]= Math.random() * 5 + 1;
}
for (i = 0; i < LargeStars; i++) {
LargeYpos[i] = Math.round(Math.random() * WinHeight);
LargeXpos[i] = Math.round(Math.random() * WinWidth);
Largespeed[i] = Math.random() * 10 + 5;
}
function fly() {
var WinHeight = (document.layers)?window.innerHeight:window.docume nt.body.clientHeight;
var WinWidth = (document.layers)?window.innerWidth:window.documen t.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[i] -= Largespeed[i];
if (LargeXpos[i] < -10) {
LargeXpos[i] = WinWidth;
LargeYpos[i] = Math.round(Math.random() * WinHeight);
Largespeed[i] = Math.random() * 10 + 5;
}
if (ns) {
document.layers['ln'+i].left = LargeXpos[i];
document.layers['ln'+i].top = LargeYpos[i] + hscrll;
}
else {
li[i].style.pixelLeft = LargeXpos[i];
li[i].style.pixelTop = LargeYpos[i] + hscrll;
}
}
for (i = 0; i < SmallStars; i++) {
SmallXpos[i] -= Smallspeed[i];
if (SmallXpos[i] < -10) {
SmallXpos[i] = WinWidth;
SmallYpos[i] = Math.round(Math.random()*WinHeight);
Smallspeed[i] = Math.random() * 5 + 1;
}
if (ns) {
document.layers['sn'+i].left = SmallXpos[i];
document.layers['sn'+i].top = SmallYpos[i]+hscrll;
}
else {
si[i].style.pixelLeft = SmallXpos[i];
si[i].style.pixelTop = SmallYpos[i]+hscrll;
}
}
setTimeout('fly()', 10);
}
// End -->
</script>
<!-- Script Size: 3.79 KB -->
Mon Mar 02, 2009 7:13 pm