graphic-javascript-effect-background-adjust-effect.htm / htm
<!-- TWO STEPS TO INSTALL COLOR ADJUSTER:
1. Copy the coding into the HEAD of your HTML document
2. Add the last code into the BODY of your HTML document -->
<!-- STEP ONE: Paste this code into the HEAD of your HTML document -->
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!-- Original: Dion (yobo42@hotmail.com) -->
<!-- Web Site: http://www.iinet.net.au/~biab/ -->
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
<!-- Begin
function color(frm, clr, val) {
v = eval("0x" + frm[clr].value) + val;
if (v < 0 || v > 255) v -= val;
v = v.toString(16).toUpperCase();
while (v.length < 2) v = "0" + v;
frm[clr].value = v; nc = "";
for(i = 1; i < 8; i += 3) nc += frm.elements[i].value;
document.bgColor = nc;
}
function setval(item) {
v = prompt("New value for " + item.name + " (00 - FF)", item.value);
if (v) {
v = eval("0x" + v);
if ((v & 255) == v) {
item.value=v.toString(16).toUpperCase();
while (item.value.length < 2) item.value = "0" + item.value;
color(document.f, item.name, 0);
}
}
}
// End -->
</script>
</HEAD>
<!-- STEP TWO: Copy this code into the BODY of your HTML document -->
<BODY>
<center>
<form name=f>
<table border=1>
<tr>
<td colspan=3 align=center bgcolor="#ff0000">RED</td>
<td colspan=3 align=center bgcolor="#00ff00">GREEN</td>
<td colspan=3 align=center bgcolor="#000ff">BLUE</td>
</tr>
<tr>
<td><input type=button name=rm value="<" onclick = "color(this.form, 'Red' , -1);"></td>
<td><input type=button name=Red value="AF" onclick = "setval(this);"></td>
<td><input type=button name=rp value=">" onclick = "color(this.form, 'Red', 1);"></td>
<td><input type=button name=gm value="<" onclick = "color(this.form, 'Green', -1);"></td>
<td><input type=button name=Green value="BF" onclick = "setval(this);"></td>
<td><input type=button name=gp value=">" onclick = "color(this.form, 'Green', 1);"></td>
<td><input type=button name=bm value="<" onclick = "color(this.form, 'Blue', -1);"></td>
<td><input type=button name=Blue value="CF" onclick = "setval(this);"></td>
<td><input type=button name=bp value=">" onclick = "color(this.form, 'Blue', 1);"></td>
</tr>
</table>
</form>
</center>
<p><center>
<font face="arial, helvetica" size="-2">Free JavaScripts provided<br>
by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
</center><p>
<!-- Script Size: 2.28 KB -->
(C) Æliens 20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.
