Make the home page appear "flying" effects

Friends, have you ever heard of "Falling in the sky"? Oh, the trap cake It is a mody, today teaches you a heaven to drop ￥ of the Recruit son, and ~ ~ Hua Hua to drop! Ha-ha-ha, come on ^_*

Add the following JavaScript code to the < head > area:

< Script language= "JavaScript" >
<!--Begin
var no = 30;
file://SetSet down the number of characters
var speed = 5;
file://SetThe speed of the falling of the fixed character
var ns4up = (document.layers)? 1:0;
var ie4up = (document.all)? 1:0;
File://NETSCAPand IE two different browsers to define each
var s, x, Y, SN, CS;
var A, R, CX, CY;
var i, doc_width = a, doc_height = 600;
file://SetStationary character drop area for 800*600
if (ns4up) {
Doc_width = Self.innerwidth;
Doc_height = Self.innerheight;
}
Else
if (ie4up) {
Doc_width = Document.body.clientWidth;
Doc_height = Document.body.clientHeight;
}
File://NETSCAPand IE two different browsers
x = new Array ();
y = new Array ();
R = new Array ();
CX = new Array ();
cy = new Array ();
s = 8;
for (i = 0; i < no; + i) {
Initrain ();
file://SetArray of literal variables x, y, CX, CY, s
if (ns4up) {
if (i = = 0) {
document.write ("< layer name=\" dot "+ i +" \ "left=\" 1\ ");
document.write ("top=\" 1\ "visibility=\" show\ ">< font color=\" white\ ">");
document.write (",￥</font ></layer >");
}
else {
document.write ("< layer name=\" dot "+ i +" \ "left=\" 1\ ");
document.write ("top=\" 1\ "visibility=\" show\ ">< font color=\" white\ ">");
document.write (", $ </font ></layer >");
}
}
file://whenI==0 satisfaction or not, the performance of Netscap
Else
if (ie4up) {
if (i = = 0) {
document.write ("< div id=\" dot "+ i +" \ "style=\" POSITION: ");
document.write ("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
document.write ("visible; top:15px; Left:15px;\ ">< font size=\" 10\ "color=\" white\ ">");
document.write ("￥</font ></div >");
}
else {
document.write ("< div id=\" dot "+ i +" \ "style=\" POSITION: ");
document.write ("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
document.write ("visible; top:15px; Left:15px;\ ">< font size=\" 10\ "color=\" white\ ">");
document.write ("$ </font ></div >");file://SetThe character to be dropped (￥, $) and position
}
}
file://whenI==0 content and unsatisfied, the performance of IE browser
}
function Initrain () {
A = 6;
R[i] = 1;
sn = Math.sin (a);
CS = Math.Cos (a);
Cx[i] = math.random () * doc_width + 1;
Cy[i] = math.random () * doc_height + 1;
X[i] = r[i] * sn + cx[i];
Y[i] = Cy[i];
}
function Makerain () {
R[i] = 1;
Cx[i] = math.random () * doc_width + 1;
Cy[i] = 1;
X[i] = r[i] * sn + cx[i];
Y[i] = r[i] * cs + cy[i];
}
function Updaterain () {
R[i] + = s;
X[i] = r[i] * sn + cx[i];
Y[i] = r[i] * cs + cy[i];
}
function Raindropns () {
for (i = 0; i < no; + i) {
Updaterain ();
file://SetArray of literal variables A, SN, CS, CX, CY, s
if ((X[i] < = 1) | | (X[i] >= (doc_width-20)) | | (Y[i] >= (doc_height-20))) {
Makerain ();
Doc_width = Self.innerwidth;
Doc_height = Self.innerheight;
}
document.layers["dot" +i].top = y[i];
document.layers["dot" +i].left = x[i];
}
SetTimeout ("Raindropns ()", speed);
}
function Raindropie () {
for (i = 0; i < no; + i) {
Updaterain ();
file://inNetscap the value of the process in the browser
if ((X[i] < = 1) | | (X[i] >= (doc_width-20)) | | (Y[i] >= (doc_height-20))) {
Makerain ();
Doc_width = Document.body.clientWidth;
Doc_height = Document.body.clientHeight;
}
document.all["dot" +i].style.pixeltop = y[i];
document.all["dot" +i].style.pixelleft = x[i];
}
SetTimeout ("Raindropie ()", speed);
}
if (ns4up) {Raindropns ();}
Else
if (ie4up) {Raindropie ();}
file://inThe value-paying process in IE browser
End-->
</script >