<script
language="javascript"
type="text/javascript">
secs2
=
0;
count
=
0;
allBpm
=
0;
avgBpm
=
0;
bpm
=
0;
ns
=
(navigator.appName
==
'Netscape');
ie
=
(navigator.appName
==
'Microsoft Internet Explorer');
function
bpmCounter(e)
{
if
(ns)
clearBpm =
e.which;
else
if
(ie)
clearBpm =
event.button;
timeSeconds
=
new
Date;
secs
=
timeSeconds.getTime();
if
(count
==
0)
{
document.BEATSPERMINUTE.AVG.value
=
"";
document.BEATSPERMINUTE.NOW.value
=
"READY! Start NOW!";
document.BEATSPERMINUTE.HIT.value
=
"";
document.BEATSPERMINUTE.ACG.value
=
"";
document.BEATSPERMINUTE.NCG.value
=
"";
secs2
=
secs;
count++;
}
else
{
oldBpm
=
bpm;
bpm
=
(1
/
((secs
-
secs2)
/
1000))
*
60;
bpmChg
=
(Math.round((bpm
-
oldBpm)
*
10))
/
10;
count++;
allBpm
=
allBpm +
bpm;
oldAvg
=
avgBpm;
avgBpm
=
allBpm /
(count
-
1);
avgChg
=
(Math.round((avgBpm
-
oldAvg)
*
10))
/
10;
secs2
=
secs;
if
(bpmChg
>=
0)
{
PbpmChg =
"+"
+
bpmChg }
else
{
PbpmChg =
bpmChg }
if
(avgChg
>=
0)
{
PavgChg =
"+"
+
avgChg }
else
{
PavgChg =
avgChg }
document.BEATSPERMINUTE.AVG.value
=
(Math.round(avgBpm
*
100))
/
100;
document.BEATSPERMINUTE.ACG.value
=
PavgChg;
document.BEATSPERMINUTE.NOW.value
=
(Math.round(bpm
*
100))
/
100;
document.BEATSPERMINUTE.NCG.value
=
PbpmChg;
document.BEATSPERMINUTE.HIT.value
=
count;
}
return
true;
}
document.onkeydown
=
bpmCounter;
document.onmousedown
=
bpmCounter;
</script>
<table
border=0
width=400>
<tr><td
width=50%
align=middle
valign=top>
<form
name="BEATSPERMINUTE">
<table
border=0
cellpadding=3
cellspacing=0
bgcolor="#007700">
<tr><td
align=middle>
<table
border=0
cellpadding=3
cellspacing=0
bgcolor="#00FF00">
<tr><td
align=middle>
<table
border=0
cellpadding=4
cellspacing=0
bgcolor="#efefef">
<tr><td><font
color="#000000"><tt>AVERAGE
BPM</tt></td>
<td><input
name="AVG"></td><td><input
name="ACG"
size=6></td></tr>
<tr><td><font
color="#000000"><tt>ONCLICK
BPM</tt></td>
<td><input
name="NOW"></td><td><input
name="NCG"
size=6></td></tr>
<tr><td><font
color="#000000"><tt>TIMING
HITS</tt></td>
<td><input
name="HIT"></td><td>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
Click on the page to start the bpm
counter<br>
Press a key or click your mouse to
measure beats.<br>
You may also
<input
type=reset
value="RESET
"> the
counter.<br>
Netscape 4.x+ and MSIE 4.x+ compatible.<br>
</form>
</table>
