Javascript Code Snippets.. Share yours!

dreadpixel

dreadpixel

Banned - Selling outside marketplace
Joined
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A message box when page opens

Code:

<html>
<head>
<script language="javascript" type="text/javascript">
alert("Welcome to my site")
</script>
</head>
</html>


Don't let the user use right click on mouse

Code:

<SCRIPT LANGUAGE="JavaScript">
var message="Function Disabled!";
///////////////////////////////////
function clickIE() {if (document.all) {alert(message);return false;}}
function clickNS(e) {if
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {alert(message);return false;}}}
if (document.layers)
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}

document.oncontextmenu=new Function("return false")
// -->
</script>


Make your scrollbar colorful

Code:

<STYLE>BODY {
SCROLLBAR-FACE-COLOR: red; SCROLLBAR-HIGHLIGHT-COLOR: gray;

SCROLLBAR-SHADOW-COLOR: black; SCROLLBAR-ARROW-COLOR: gray;

SCROLLBAR-TRACK-COLOR: black; SCROLLBAR-DARKSHADOW-COLOR: red
}
</STYLE>



Magic title for weblogs or any pages on the internet

Code:

<SCRIPT language=javascript>
msg = "Krishna edyatoula is the best programmer in the world";

msg = "..." + msg;pos = 0;
function scrollMSG() {
document.title = msg.substring(pos, msg.length) + msg.substring(0, pos);
pos++;
if (pos > msg.length) pos = 0
window.setTimeout("scrollMSG()",200);
}
scrollMSG();
</SCRIPT>




Google search on your site

Code:

<!-- Search Google -->
<center>
<FORM method=GET action="http://www.google.com/search">
<TABLE bgcolor="#FFFFFF"><tr><td>
<A HREF="http://www.google.com/">
<IMG SRC="http://www.google.com/logos/Logo_40wht.gif" <br></A>
<INPUT TYPE=text name=q size=31 maxlength=255 value="">
<INPUT TYPE=hidden name=hl value="en">
<INPUT type=submit name=btnG VALUE="Google Search">
</td></tr></TABLE>
</FORM>
</center>
<!-- Search Google -->




Set background color (User control)

Code:

<p>[<a href="/"
onmouseover="document.bgColor='green'">Green</a>]<br>
[<a href="/"
onmouseover="document.bgColor='greem'">Bright Green</a>]<br>
[<a href="/"
onmouseover="document.bgColor='seagreen'">Sea Green</a>]<br>
[<a href="/"
onmouseover="document.bgColor='red'">Red</a>]<BR>
[<a href="/"
onmouseover="document.bgColor='magenta'">Magenta</a>]<br>
[<a href="/"
onmouseover="document.bgColor='fusia'">Fusia</a>]<br>
[<a href="/"
onmouseover="document.bgColor='pink'">Pink</a>]<br>
[<a href="/"
onmouseover="document.bgColor='purple'">Purple</a>]<BR>
[<a href="/"
onmouseover="document.bgColor='navy'">Navy</a>]<br>
[<a href="/"
onmouseover="document.bgColor='blue'">Blue</a>]<br>
[<a href="/"
onmouseover="document.bgColor='royalblue'">Royal Blue</a>]<br>
[<a href="/"
onmouseover="document.bgColor='Skyblue'">Sky Blue</a>]<BR>
[<a href="/"
onmouseover="document.bgColor='yellow'">Yellow</a>]<br>
[<a href="/"
onmouseover="document.bgColor='brown'">Brown</a>]<br>
[<a href="/"
onmouseover="document.bgColor='almond'">Almond</a>]<br>
[<a href="/"
onmouseover="document.bgColor='white'">White</a>]<BR>
[<a href="/"
onmouseover="document.bgColor='black'">Black</a>]<br>
[<a href="/"
onmouseover="document.bgColor='coral'">Coral</a>]<br>
[<a href="/"
onmouseover="document.bgColor='olivedrab'">Olive Drab</a>]<br>
[<a href="/"
onmouseover="document.bgColor='orange'">Orange</a>]<br>


Clock

Code:

//hours colour.

Ybase=30; //Clock height.
Xbase=30; //Clock width.

<SCRIPT language=JavaScript>

fCol='444444'; //face colour.
sCol='FF0000'; //seconds colour.
mCol='444444'; //minutes colour.
hCol='444444';
H='...';
H=H.split('');
M='....';
M=M.split('');
S='.....';
S=S.split('');
NS4=(document.layers);
NS6=(document.getElementById&&!document.all);
IE4=(document.all);
Ypos=0;
Xpos=0;
dots=12;
Split=360/dots;
if (NS6){
for (i=1; i < dots+1; i++){
document.write('<div id="n6Digits'+i+'" style="position:absolute;top:0px;left:0px;width:30px;height:30px;font-family:Arial;font-size:10px;color:#'+fCol+';text-align:center;padding-top:10px">'+i+'</div>');
}
for (i=0; i < M.length; i++){
document.write('<div id="Ny'+i+'" style="position:absolute;top:0px;left:0px;width:2px;height:2px;font-size:2px;background:#'+mCol+'"></div>');
}
for (i=0; i < H.length; i++){
document.write('<div id="Nz'+i+'" style="position:absolute;top:0px;left:0px;width:2px;height:2px;font-size:2px;background:#'+hCol+'"></div>');
}
for (i=0; i < S.length; i++){
document.write('<div id="Nx'+i+'" style="position:absolute;top:0px;left:0px;width:2px;height:2px;font-size:2px;background:#'+sCol+'"></div>');
}
}
if (NS4){
dgts='1 2 3 4 5 6 7 8 9 10 11 12';
dgts=dgts.split(' ')
for (i=0; i < dots; i++){
document.write('<layer name=nsDigits'+i+' top=0 left=0 height=30 width=30><center><font face=Arial size=1 color='+fCol+'>'+dgts+'</font></center></layer>');
}
for (i=0; i < M.length; i++){
document.write('<layer name=ny'+i+' top=0 left=0 bgcolor='+mCol+' clip="0,0,2,2"></layer>');
}
for (i=0; i < H.length; i++){
document.write('<layer name=nz'+i+' top=0 left=0 bgcolor='+hCol+' clip="0,0,2,2"></layer>');
}
for (i=0; i < S.length; i++){
document.write('<layer name=nx'+i+' top=0 left=0 bgcolor='+sCol+' clip="0,0,2,2"></layer>');
}
}
if (IE4){
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=1; i < dots+1; i++){
document.write('<div id="ieDigits" style="position:absolute;top:0px;left:0px;width:30px;height:30px;font-family:Arial;font-size:10px;color:'+fCol+';text-align:center;padding-top:10px">'+i+'</div>');
}
document.write('</div></div>')
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=0; i < M.length; i++){
document.write('<div id=y style="position:absolute;width:2px;height:2px;font-size:2px;background:'+mCol+'"></div>');
}
document.write('</div></div>')
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=0; i < H.length; i++){
document.write('<div id=z style="position:absolute;width:2px;height:2px;font-size:2px;background:'+hCol+'"></div>');
}
document.write('</div></div>')
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=0; i < S.length; i++){
document.write('<div id=x style="position:absolute;width:2px;height:2px;font-size:2px;background:'+sCol+'"></div>');
}
document.write('</div></div>')
}



function clock(){
time = new Date ();
secs = time.getSeconds();
sec = -1.57 + Math.PI * secs/30;
mins = time.getMinutes();
min = -1.57 + Math.PI * mins/30;
hr = time.getHours();
hrs = -1.57 + Math.PI * hr/6 + Math.PI*parseInt(time.getMinutes())/360;

if (NS6){
Ypos=window.pageYOffset+window.innerHeight-Ybase-25;
Xpos=window.pageXOffset+window.innerWidth-Xbase-30;
for (i=1; i < dots+1; i++){
document.getElementById("n6Digits"+i).style.top=Ypos-15+Ybase*Math.sin(-1.56 +i *Split*Math.PI/180)
document.getElementById("n6Digits"+i).style.left=Xpos-15+Xbase*Math.cos(-1.56 +i*Split*Math.PI/180)
}
for (i=0; i < S.length; i++){
document.getElementById("Nx"+i).style.top=Ypos+i*Ybase/4.1*Math.sin(sec);
document.getElementById("Nx"+i).style.left=Xpos+i*Xbase/4.1*Math.cos(sec);
}
for (i=0; i < M.length; i++){
document.getElementById("Ny"+i).style.top=Ypos+i*Ybase/4.1*Math.sin(min);
document.getElementById("Ny"+i).style.left=Xpos+i*Xbase/4.1*Math.cos(min);
}
for (i=0; i < H.length; i++){
document.getElementById("Nz"+i).style.top=Ypos+i*Ybase/4.1*Math.sin(hrs);
document.getElementById("Nz"+i).style.left=Xpos+i*Xbase/4.1*Math.cos(hrs);
}
}
if (NS4){
Ypos=window.pageYOffset+window.innerHeight-Ybase-20;
Xpos=window.pageXOffset+window.innerWidth-Xbase-30;
for (i=0; i < dots; ++i){
document.layers["nsDigits"+i].top=Ypos-5+Ybase*Math.sin(-1.045 +i*Split*Math.PI/180)
document.layers["nsDigits"+i].left=Xpos-15+Xbase*Math.cos(-1.045 +i*Split*Math.PI/180)
}
for (i=0; i < S.length; i++){
document.layers["nx"+i].top=Ypos+i*Ybase/4.1*Math.sin(sec);
document.layers["nx"+i].left=Xpos+i*Xbase/4.1*Math.cos(sec);
}
for (i=0; i < M.length; i++){
document.layers["ny"+i].top=Ypos+i*Ybase/4.1*Math.sin(min);
document.layers["ny"+i].left=Xpos+i*Xbase/4.1*Math.cos(min);
}
for (i=0; i < H.length; i++){
document.layers["nz"+i].top=Ypos+i*Ybase/4.1*Math.sin(hrs);
document.layers["nz"+i].left=Xpos+i*Xbase/4.1*Math.cos(hrs);
}
}

if (IE4){
Ypos=document.body.scrollTop+window.document.body.clientHeight-Ybase-20;
Xpos=document.body.scrollLeft+window.document.body.clientWidth-Xbase-20;
for (i=0; i < dots; ++i){
ieDigits.style.pixelTop=Ypos-15+Ybase*Math.sin(-1.045 +i *Split*Math.PI/180)
ieDigits.style.pixelLeft=Xpos-15+Xbase*Math.cos(-1.045 +i *Split*Math.PI/180)
}
for (i=0; i < S.length; i++){
x.style.pixelTop =Ypos+i*Ybase/4.1*Math.sin(sec);
x.style.pixelLeft=Xpos+i*Xbase/4.1*Math.cos(sec);
}
for (i=0; i < M.length; i++){
y.style.pixelTop =Ypos+i*Ybase/4.1*Math.sin(min);
y.style.pixelLeft=Xpos+i*Xbase/4.1*Math.cos(min);
}
for (i=0; i < H.length; i++){
z.style.pixelTop =Ypos+i*Ybase/4.1*Math.sin(hrs);
z.style.pixelLeft=Xpos+i*Xbase/4.1*Math.cos(hrs);
}
}
setTimeout('clock()',100);
}
clock();
//-->
</SCRIPT>

<SCRIPT language=JavaScript>

fCol='444444'; //face colour.
sCol='FF0000'; //seconds colour.
mCol='444444'; //minutes colour.
hCol='444444'; //hours colour.

Ybase=30; //Clock height.
Xbase=30; //Clock width.

</body>
</html>


Text following mouse

Code:

<!-- START OF Mouse Cursor Text Trailer DHTML -->


<!-- SUMMARY BRIEF

This DHTML script will make a text message follow
your cursor around the screen. You can change the
message to say whatever you want.

You can change the font face, color and size in
the .trailersytle tag below. You can change the message
in the javascript below that. Just look for the
comment that says "Insert your personal message below."

-->


<!-- Put this portion of the script inside of your <HEAD> tag -->


<style>
.trailerstyle {
position: absolute;
visibility: visible;
top: -50px;
font-size: 12px;
font-family: Arial,Helvetica,Verdana;
font-weight: bold;
color: #000000;
}
</style>

<script>
<!--

var x,y
var step=20
var flag=0

// Insert your personal message below.
// Important: Do NOT remove the space at the end of the sentence!!!

var message=" http://www.javascriptfreecode.com "
message=message.split("")

var xpos=new Array()
for (i=0;i<=message.length-1;i++) {
xpos=-50
}

var ypos=new Array()
for (i=0;i<=message.length-1;i++) {
ypos=-50
}

function handlerMM(e){
x = (document.layers) ? e.pageX : document.body.scrollLeft+event.clientX
y = (document.layers) ? e.pageY : document.body.scrollTop+event.clientY
flag=1
}

function mousetrailer() {
if (flag==1 && document.all) {
for (i=message.length-1; i>=1; i--) {
xpos=xpos[i-1]+step
ypos=ypos[i-1]
}
xpos[0]=x+step
ypos[0]=y

for (i=0; i<message.length-1; i++) {
var thisspan = eval("span"+(i)+".style")
thisspan.posLeft=xpos
thisspan.posTop=ypos
}
}

else if (flag==1 && document.layers) {
for (i=message.length-1; i>=1; i--) {
xpos=xpos[i-1]+step
ypos=ypos[i-1]
}
xpos[0]=x+step
ypos[0]=y

for (i=0; i<message.length-1; i++) {
var thisspan = eval("document.span"+i)
thisspan.left=xpos
thisspan.top=ypos
}
}
var timer=setTimeout("mousetrailer()",30)
}

//-->
</script>


<!-- Put this code inside of your <BODY> tag. -->


<script>
<!--

for (i=0;i<=message.length-1;i++) {
document.write("<span id='span"+i+"' class='trailerstyle'>")
document.write(message)
document.write("</span>")
}

if (document.layers){
document.captureEvents(Event.MOUSEMOVE);
}
document.onmousemove = handlerMM;

//-->
</script>


<!-- Lastly, insert the following into the <BODY> tag, itself, just like the example that follows. -->



<body onLoad="mousetrailer()" style="width:100%;overflow-x:hidden;overflow-y:scroll">


<!-- END OF Mouse Cursor Text Trailer DHTML -->


Visitor and counter

Code:

<script src=http://fastonlineusers.com/online.php?d=www.mohager.co.sr></script>


Asking users name and say welcome

Code:

<!-- Start of Hello Visitor JavaScript-->
<!-- DESCRIPTION: This will ask the user for his/her name, then tell them WELCOME.

INSTRUCTIONS: Place this script below the BODY tag, before you start the content of your page.

FUNCTIONALITY: Works in both Netscape and IE.
-->
<SCRIPT LANGUAGE="JavaScript">
//Modified by CoffeeCup Software
//This code is Copyright (c) 1998 CoffeeCup Software
//All rights reserved. License is granted to a single user to
//reuse this code on a personal or business Web Site.
<!--
{
var name = prompt ('Your name','');
var color = prompt ('Color name','');
document.write("<CENTER><FONT FACE=ARIAdL,VERDANA COLOR="+color+" SIZE=5>Welcome To Web Designer "+name+".</FONT><HR NOSHADE WIDTH=450></CENTER><P>")
}
//-->
</SCRIPT>
<!-- End of Hello Visitor JavaScript -->



Moving text status

Code:

-- DESCRIPTION: This script will make your status message slide into place. Neat effect.

INSTRUCTIONS: Place this script in the BODY tags of
your webpage. Then place the appropriate message in the var msg value.

FUNCTIONALITY: Works in both Netscape and IE.

//Modified by CoffeeCup Software
//This code is Copyright (c) 1997 CoffeeCup Software
//all rights reserved. License is granted to a single user to
//reuse this code on a personal or business Web Site.

-->

<BODY onLoad="timerONE=window.setTimeout('slide(120,0)',20);">

<SCRIPT LANGUAGE="JavaScript">

function slide(jumpSpaces,position) {
var msg = "This JavaScript will slide in your desired message....Cool...isn't it???..drink more coffee"
var out = ""
if (endScroll) {return false}
for (var i=0; i<position; i++)
{out += msg.charAt(i)}
for (i=1;i<jumpSpaces;i++)
{out += " "}
out += msg.charAt(position)
window.status = out
if (jumpSpaces <= 1) {
position++
if (msg.charAt(position) == ' ')
{position++ }
jumpSpaces = 100-position
} else if (jumpSpaces > 3)
{jumpSpaces *= .75}
else
{jumpSpaces--}
if (position != msg.length) {
var cmd = "slide(" + jumpSpaces + "," + position + ")";
scrollID = window.setTimeout(cmd,5);
} else {
scrolling = false
return false
}
return true
}
function ccSetup() {
if (scrolling)
if (!confirm('Re-initialize slide?'))
return false
endScroll = true
scrolling = true
var killID = window.setTimeout('endScroll=false',6)
scrollID = window.setTimeout('slide(100,0)',10)
return true
}
var scrollID = Object
var scrolling = false
var endScroll = false
</SCRIPT>

Raining on texts

Code:

<body>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var no = 50;
var speed = 1;
var ns4up = (document.layers) ? 1 : 0;
var ie4up = (document.all) ? 1 : 0;
var s, x, y, sn, cs;
var a, r, cx, cy;
var i, doc_width = 800, doc_height = 600;
if (ns4up) {
doc_width = self.innerWidth;
doc_height = self.innerHeight;
}
else
if (ie4up) {
doc_width = document.body.clientWidth;
doc_height = document.body.clientHeight;
}
x = new Array();
y = new Array();
r = new Array();
cx = new Array();
cy = new Array();
s = 8;
for (i = 0; i < no; ++ i) {
initRain();
if (ns4up) {
if (i == 0) {
document.write("<layer name=\"dot"+ i +"\" left=\"1\" ");
document.write("top=\"1\" visibility=\"show\"><font color=\"blue\">");
document.write(",</font></layer>");
}
else {
document.write("<layer name=\"dot"+ i +"\" left=\"1\" ");
document.write("top=\"1\" visibility=\"show\"><font color=\"blue\">");
document.write(",</font></layer>");
}
}
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 color=\"blue\">");
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 color=\"blue\">");
document.write(",</font></div>");
}
}
}
function initRain() {
a = 6;
r = 1;
sn = Math.sin(a);
cs = Math.cos(a);
cx = Math.random() * doc_width + 1;
cy = Math.random() * doc_height + 1;
x = r * sn + cx;
y = cy;
}
function makeRain() {
r = 1;
cx = Math.random() * doc_width + 1;
cy = 1;
x = r * sn + cx;
y = r * cs + cy;
}
function updateRain() {
r += s;
x = r * sn + cx;
y = r * cs + cy;
}
function raindropNS() {
for (i = 0; i < no; ++ i) {
updateRain();
if ((x <= 1) || (x >= (doc_width - 20)) || (y >= (doc_height - 20))) {
makeRain();
doc_width = self.innerWidth;
doc_height = self.innerHeight;
}
document.layers["dot"+i].top = y;
document.layers["dot"+i].left = x;
}
setTimeout("raindropNS()", speed);
}
function raindropIE() {
for (i = 0; i < no; ++ i) {
updateRain();
if ((x <= 1) || (x >= (doc_width - 20)) || (y >= (doc_height - 20))) {
makeRain();
doc_width = document.body.clientWidth;
doc_height = document.body.clientHeight;
}
document.all["dot"+i].style.pixelTop = y;
document.all["dot"+i].style.pixelLeft = x;
}
setTimeout("raindropIE()", speed);
}
if (ns4up) {
raindropNS();
}
else
if (ie4up) {
raindropIE();
}
// End -->
</script>
</body>


Fall leaves

Code:

script language="JavaScript1.2">

//Pre-load your image below!
grphcs=new Array(6)
Image0=new Image();
Image0.src=grphcs[0]="http://javascriptfreecode.com/images/barg.gif";
Image1=new Image();
Image1.src=grphcs[1]="http://javascriptfreecode.com/images/barg.gif"
Image2=new Image();
Image2.src=grphcs[2]="http://javascriptfreecode.com/images/barg.gif"
Image3=new Image();
Image3.src=grphcs[3]="http://javascriptfreecode.com/images/barg.gif"
Image4=new Image();
Image4.src=grphcs[4]="http://javascriptfreecode.com/images/barg.gif"
Image5=new Image();
Image5.src=grphcs[5]="http://javascriptfreecode.com/images/barg.gif"

Amount=8; //Smoothness depends on image file size, the smaller the size the more you can use!
Ypos=new Array();
Xpos=new Array();
Speed=new Array();
Step=new Array();
Cstep=new Array();
ns=(document.layers)?1:0;
ns6=(document.getElementById&&!document.all)?1:0;

if (ns){
for (i = 0; i < Amount; i++){
var P=Math.floor(Math.random()*grphcs.length);
rndPic=grphcs[P];
document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0><img src="+rndPic+"></LAYER>");
}
}
else{
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i = 0; i < Amount; i++){
var P=Math.floor(Math.random()*grphcs.length);
rndPic=grphcs[P];
document.write('<img id="si'+i+'" src="'+rndPic+'" style="position:absolute;top:0px;left:0px">');
}
document.write('</div></div>');
}
WinHeight=(ns||ns6)?window.innerHeight:window.document.body.clientHeight;
WinWidth=(ns||ns6)?window.innerWidth-70:window.document.body.clientWidth;
for (i=0; i < Amount; i++){
Ypos = Math.round(Math.random()*WinHeight);
Xpos = Math.round(Math.random()*WinWidth);
Speed= Math.random()*5+3;
Cstep=0;
Step=Math.random()*0.1+0.05;
}
function fall(){
var WinHeight=(ns||ns6)?window.innerHeight:window.document.body.clientHeight;
var WinWidth=(ns||ns6)?window.innerWidth-70:window.document.body.clientWidth;
var hscrll=(ns||ns6)?window.pageYOffset:document.body.scrollTop;
var wscrll=(ns||ns6)?window.pageXOffset:document.body.scrollLeft;
for (i=0; i < Amount; i++){
sy = Speed*Math.sin(90*Math.PI/180);
sx = Speed*Math.cos(Cstep);
Ypos+=sy;
Xpos+=sx;
if (Ypos > WinHeight){
Ypos=-60;
Xpos=Math.round(Math.random()*WinWidth);
Speed=Math.random()*5+3;
}
if (ns){
document.layers['sn'+i].left=Xpos;
document.layers['sn'+i].top=Ypos+hscrll;
}
else if (ns6){
document.getElementById("si"+i).style.left=Math.min(WinWidth,Xpos);
document.getElementById("si"+i).style.top=Ypos+hscrll;
}
else{
eval("document.all.si"+i).style.left=Xpos;
eval("document.all.si"+i).style.top=Ypos+hscrll;
}
Cstep+=Step;
}
setTimeout('fall()',20);
}

window.onload=fall
//-->
</script>

Snowing on the page

Code:

<script>
// Set the number of snowflakes (more than 30 - 40 not recommended)
var snowmax=35

// Set the colors for the snow. Add as many colors as you like
var snowcolor=new Array("#aaaacc","#ddddFF","#ccccDD")

// Set the fonts, that create the snowflakes. Add as many fonts as you like
var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS")

// Set the letter that creates your snowflake (recommended:*)
var snowletter="*"

// Set the speed of sinking (recommended values range from 0.3 to 2)
var sinkspeed=0.6

// Set the maximal-size of your snowflaxes
var snowmaxsize=22

// Set the minimal-size of your snowflaxes
var snowminsize=8

// Set the snowing-zone
// Set 1 for all-over-snowing, set 2 for left-side-snowing
// Set 3 for center-snowing, set 4 for right-side-snowing
var snowingzone=3

//
// CONFIGURATION ENDS HERE
//

// Do not edit below this line
var snow=new Array()
var marginbottom
var marginright
var timer
var i_snow=0
var x_mv=new Array();
var crds=new Array();
var lftrght=new Array();
var browserinfos=navigator.userAgent
var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/)
var ns6=document.getElementById&&!document.all
var opera=browserinfos.match(/Opera/)
var browserok=ie5||ns6||opera

function randommaker(range) {
rand=Math.floor(range*Math.random())
return rand
}

function initsnow() {
if (ie5 || opera) {
marginbottom = document.body.clientHeight
marginright = document.body.clientWidth
}
else if (ns6) {
marginbottom = window.innerHeight
marginright = window.innerWidth
}
var snowsizerange=snowmaxsize-snowminsize
for (i=0;i<=snowmax;i++) {
crds = 0;
lftrght = Math.random()*15;
x_mv = 0.03 + Math.random()/10;
snow=document.getElementById("s"+i)
snow.style.fontFamily=snowtype[randommaker(snowtype.length)]
snow.size=randommaker(snowsizerange)+snowminsize
snow.style.fontSize=snow.size
snow.style.color=snowcolor[randommaker(snowcolor.length)]
snow.sink=sinkspeed*snow.size/5
if (snowingzone==1) {snow.posx=randommaker(marginright-snow.size)}
if (snowingzone==2) {snow.posx=randommaker(marginright/2-snow.size)}
if (snowingzone==3) {snow.posx=randommaker(marginright/2-snow.size)+marginright/4}
if (snowingzone==4) {snow.posx=randommaker(marginright/2-snow.size)+marginright/2}
snow.posy=randommaker(2*marginbottom-marginbottom-2*snow.size)
snow.style.left=snow.posx
snow.style.top=snow.posy
}
movesnow()
}

function movesnow() {
for (i=0;i<=snowmax;i++) {
crds += x_mv;
snow.posy+=snow.sink
snow.style.left=snow.posx+lftrght*Math.sin(crds);
snow.style.top=snow.posy

if (snow.posy>=marginbottom-2*snow.size || parseInt(snow.style.left)>(marginright-3*lftrght)){
if (snowingzone==1) {snow.posx=randommaker(marginright-snow.size)}
if (snowingzone==2) {snow.posx=randommaker(marginright/2-snow.size)}
if (snowingzone==3) {snow.posx=randommaker(marginright/2-snow.size)+marginright/4}
if (snowingzone==4) {snow.posx=randommaker(marginright/2-snow.size)+marginright/2}
snow.posy=0
}
}
var timer=setTimeout("movesnow()",50)
}

for (i=0;i<=snowmax;i++) {
document.write("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>")
}
if (browserok) {
window.onload=initsnow
}
</script>


Stars moving in background

Code:

<html>
<head>

</head>
<body>
<!-- STEP ONE: Insert the onLoad event handler into your BODY tag -->

<BODY BGCOLOR="black" onLoad="fly()">

<!-- STEP TWO: Paste this code into the BODY of your HTML document -->

<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='#FF0' CLIP='0,0,1,1'></LAYER>");
}
for (i = 0; i < LargeStars; i++) {
document.write("<LAYER NAME='ln"+i+"' LEFT=0 TOP=0 BGCOLOR='white' 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:#ff0;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:#ff;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>
</html>

Search box ( Search engine ) for your page

Code:

<!-- this script got from http://www.javascriptfreecode.com coded by: Krishna Eydat-->
<SCRIPT language=JavaScript>
var NS4 = (document.layers);
var IE4 = (document.all);
var win = window;
var n = 0;
function findInPage(str) {
var txt, i, found;
if (str == "")
return false;
if (NS4) {
if (!win.find(str))
while(win.find(str, false, true))
n++;
else
n++;
if (n == 0)
alert("Not found.");
}
if (IE4) {
txt = win.document.body.createTextRange();
for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) {
txt.moveStart("character", 1);
txt.moveEnd("textedit");
}
if (found) {
txt.moveStart("character", -1);
txt.findText(str);
txt.select();
txt.scrollIntoView();
n++;
}
else {
if (n > 0) {
n = 0;
findInPage(str);
}
else
alert("Sorry, we couldn't find.Try again");
}
}
return false;
}
</SCRIPT>

<FORM name=search onsubmit="return findInPage(this.string.value);">
<P align=center><FONT size=3>
<INPUT
style="BORDER-RIGHT: #66 1px solid; BORDER-TOP: #66 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #66 1px solid; BORDER-BOTTOM: #66 1px solid"
onchange="n = 0;" size=16 name=string></FONT><BR><INPUT style="BORDER-RIGHT: #ff 1px solid; BORDER-TOP: #ff 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #ff 1px solid; BORDER-BOTTOM: #ff 1px solid; FONT-FAMILY: Tahoma; BACKGROUND-COLOR: #aa" type=submit value=Search in page ><center><font size=2pt;><font family=Times New Roman;><b>

<BR>
</P></FORM></DIV><BR><!-- /Search-->

Random background color changer

Code: 
<script>

// Select fade-effect below:
// Set 1 if the background may fade from dark to medium 
// Set 2 if the background may fade from light to medium 
// Set 3 if the background may fade from very dark to very light light
// Set 4 if the background may fade from light to very light
// Set 5 if the background may fade from dark to very dark 
var fade_effect=3

// What type of gradient should be applied Internet Explorer 5x or higher?
// Set "none" or "horizontal" or "vertical"
var gradient_effect="horizontal"

// Speed higher=slower
var speed=60

//
// CONFIGURATION ENDS HERE
//

var browserinfos=navigator.userAgent 
var ie4=document.all&&!document.getElementById
var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/)
var ns4=document.layers
var ns6=document.getElementById&&!document.all
var opera=browserinfos.match(/Opera/)  
var browserok=ie4||ie5||ns4||ns6||opera

if (fade_effect==1) {
    var darkmax=1
    var lightmax=127
}
if (fade_effect==2) {
    var darkmax=127
    var lightmax=254
}
if (fade_effect==3) {
    var darkmax=1
    var lightmax=254
}
if (fade_effect==4) {
    var darkmax=190
    var lightmax=254
}
if (fade_effect==5) {
    var darkmax=1
    var lightmax=80
}
var hexc = new Array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F')

var newred
var newgreen
var newblue
var oldred
var oldgreen
var oldblue

var redcol_1
var redcol_2 
var greencol_1 
var greencol_2 
var bluecol_1 
var bluecol_2 
var oldcolor
var newcolor
var firsttime=true

var stepred=1
var stepgreen=1
var stepblue=1

function setrandomcolor() {
    var range=(lightmax-darkmax)
    if (firsttime) {
        newred=Math.ceil(range*Math.random())+darkmax
        newgreen=Math.ceil(range*Math.random())+darkmax
        newblue=Math.ceil(range*Math.random())+darkmax
        firsttime=false
    }

    oldred=Math.ceil(range*Math.random())+darkmax
    oldgreen=Math.ceil(range*Math.random())+darkmax
    oldblue=Math.ceil(range*Math.random())+darkmax

    stepred=newred-oldred
    if (oldred>newred) {stepred=1}
    else if (oldred<newred) {stepred=-1}
    else {stepred=0}

    stepgreen=newgreen-oldgreen
    if (oldgreen>newgreen) {stepgreen=1}
    else if (oldgreen<newgreen) {stepgreen=-1}
    else {stepgreen=0}

    stepblue=newblue-oldblue
    if (oldblue>newblue) {stepblue=1}
    else if (oldblue<newblue) {stepblue=-1}
    else {stepblue=0}
    fadebg()
}

function fadebg() {
    if (newred==oldred) {stepred=0}
    if (newgreen==oldgreen) {stepgreen=0}
    if (newblue==oldblue) {stepblue=0}
    newred+=stepred
    newgreen+=stepgreen
    newblue+=stepblue

    if (stepred!=0 || stepgreen!=0 || stepblue!=0) {
      redcol_1 = hexc[Math.floor(newred/16)];
      redcol_2 = hexc[newred%16];
         greencol_1 = hexc[Math.floor(newgreen/16)];
      greencol_2 = hexc[newgreen%16];
          bluecol_1 = hexc[Math.floor(newblue/16)];
      bluecol_2 = hexc[newblue%16];
          newcolor="#"+redcol_1+redcol_2+greencol_1+greencol_2+bluecol_1+bluecol_2
        if (ie5 && gradient_effect!="none") {
            if (gradient_effect=="horizontal") {gradient_effect=1}
            if (gradient_effect=="vertical") {gradient_effect=0}
          greencol_1 = hexc[Math.floor(newred/16)];
          greencol_2 = hexc[newred%16];
             bluecol_1 = hexc[Math.floor(newgreen/16)];
          bluecol_2 = hexc[newgreen%16];
              redcol_1 = hexc[Math.floor(newblue/16)];
          redcol_2 = hexc[newblue%16];
            var newcolorCompl="#"+redcol_1+redcol_2+greencol_1+greencol_2+bluecol_1+bluecol_2
            document.body.style.filter=
"progid:DXImageTransform.Microsoft.Gradient(startColorstr="+newcolorCompl+",  endColorstr="+newcolor+" GradientType="+gradient_effect+")"
        }
        else {
              document.bgColor=newcolor 
        }
        var timer=setTimeout("fadebg()",speed);
    } 
      else {
          clearTimeout(timer)
        newred=oldred
        newgreen=oldgreen
        newblue=oldblue
        oldcolor=newcolor
        setrandomcolor()
      }
}

if (browserok) {
    window.onload=setrandomcolor
}
</script>
 
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Not really sure why these javascript snippets would be useful. No 'useful' website would throw these things at their users like that.
 
SliceGFX said:
Not really sure why these javascript snippets would be useful. No 'useful' website would throw these things at their users like that.
Click to expand...

That is why it is in general programming "chat".
 
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