Who doesnt have a Car these days......and ofcourse the owners would like to know their car's exact horse power......and u too 
This script will tell u the horse power of your car by just putting the weight of the car(including the driver) and in how much time(seconds) it can cover 1/4 of a mile.....
First Step:-
Create a new html file and add the following script-
| CODE | <script LANGUAGE="JavaScript">
<!-- Begin
var weight, eTime;
var horsepower1, horsepower2, horsepower3, horsepower4;
var temp1, temp2, temp3, temp4;
var speed;
var finalhp1, finalhp2, finalhp3, finalhp4, finalhp5, finalhp6;
function create(form){
eTime = form.elapsedTime.value;
weight = form.vehicleWeight.value;
temp1 = eTime / 5.825;
temp1 = temp1 * temp1 * temp1;
horsepower1 = weight / temp1;
finalhp1 = roundOff(horsepower1, 2)
horsepower2 = horsepower1 * 1.3;
finalhp2 = roundOff(horsepower2, 2)
text = "<HEAD><TITLE>1/4 Method</TITLE>";
text += "</HEAD><BODY BGCOLOR=#000000 TEXT=#FFFFFF>";
text += "<font face=arial size=-1><CENTER>";
text += "Horsepower Results - 1/4 Mile Method</CENTER><P>";
text += "Your " +form.carModel.value;
text += " weighs about " +form.vehicleWeight.value+ " pounds ";
text += "and can complete a 1/4 mile in about ";
text += form.elapsedTime.value;
text += " seconds. That means that you've got about " +finalhp1;
text += " HP at the wheels, and about " + finalhp2;
text += " HP at the flywheel.</font>";
text += "<center><form><input type=button onClick='self.close()' ";
text += "value='Close Window'></form></center></font>";
resultsWindow=window.open("", "displayWindow", "toolbar=no,menubar=no,scrollbar=auto,resizable=no,width=320,height=180")
resultsWindow.document.writeln(text);
resultsWindow.document.close();
}
function input1(form) {
Ctrl = form.carModel;
if (Ctrl.value == "") {
validatePrompt (Ctrl, "Please Input a Car Model.")
return (false);
} else
return (true);
}
function input2(form) {
Ctrl = form.vehicleWeight;
if (Ctrl.value == "") {
validatePrompt (Ctrl, "Please enter Your Vehicle Weight in Pounds.")
return (false);
} else
return (true);
}
function input3(form) {
Ctrl = form.elapsedTime;
if (Ctrl.value == "") {
validatePrompt (Ctrl, "Please enter Your 1/4 mile trapspeed. You can estimate...")
return (false);
} else
return (true);
}
function runSubmit (form, button) {
if (!input1(form)) return;
if (!input2(form)) return;
if (!input3(form)) return;
create(form);
return;
}
function validatePrompt (Ctrl, PromptStr) {
alert (PromptStr)
Ctrl.focus();
return;
}
function roundOff(value, precision) {
value = "" + value;
precision = parseInt(precision);
var whole = "" + Math.round(value * Math.pow(10, precision));
var decPoint = whole.length - precision;
if(decPoint != 0) {
result = whole.substring(0, decPoint);
result += ".";
result += whole.substring(decPoint, whole.length);
}
else {
result = whole;
}
return result;
}
// End -->
</script>
<CENTER>
<script LANGUAGE="JavaScript">
<!-- Original: Joel Lavarez -->
<!-- Web Site: http://www.speed-online.com -->
<!-- Begin
var weight, eTime;
var horsepower1, horsepower2, horsepower3, horsepower4;
var temp1, temp2, temp3, temp4;
var speed;
var finalhp1, finalhp2, finalhp3, finalhp4, finalhp5, finalhp6;
function create(form){
eTime = form.elapsedTime.value;
weight = form.vehicleWeight.value;
temp1 = eTime / 5.825;
temp1 = temp1 * temp1 * temp1;
horsepower1 = weight / temp1;
finalhp1 = roundOff(horsepower1, 2)
horsepower2 = horsepower1 * 1.3;
finalhp2 = roundOff(horsepower2, 2)
text = "<HEAD><TITLE>1/4 Method</TITLE>";
text += "</HEAD><BODY BGCOLOR=#000000 TEXT=#FFFFFF>";
text += "<font face=arial size=-1><CENTER>";
text += "Horsepower Results - 1/4 Mile Method</CENTER><P>";
text += "Your " +form.carModel.value;
text += " weighs about " +form.vehicleWeight.value+ " pounds ";
text += "and can complete a 1/4 mile in about ";
text += form.elapsedTime.value;
text += " seconds. That means that you've got about " +finalhp1;
text += " HP at the wheels, and about " + finalhp2;
text += " HP at the flywheel.</font>";
text += "<center><form><input type=button onClick='self.close()' ";
text += "value='Close Window'></form></center></font>";
resultsWindow=window.open("", "displayWindow", "toolbar=no,menubar=no,scrollbar=auto,resizable=no,width=320,height=180")
resultsWindow.document.writeln(text);
resultsWindow.document.close();
}
function input1(form) {
Ctrl = form.carModel;
if (Ctrl.value == "") {
validatePrompt (Ctrl, "Please Input a Car Model.")
return (false);
} else
return (true);
}
function input2(form) {
Ctrl = form.vehicleWeight;
if (Ctrl.value == "") {
validatePrompt (Ctrl, "Please enter Your Vehicle Weight in Pounds.")
return (false);
} else
return (true);
}
function input3(form) {
Ctrl = form.elapsedTime;
if (Ctrl.value == "") {
validatePrompt (Ctrl, "Please enter Your 1/4 mile trapspeed. You can estimate...")
return (false);
} else
return (true);
}
function runSubmit (form, button) {
if (!input1(form)) return;
if (!input2(form)) return;
if (!input3(form)) return;
create(form);
return;
}
function validatePrompt (Ctrl, PromptStr) {
alert (PromptStr)
Ctrl.focus();
return;
}
function roundOff(value, precision) {
value = "" + value;
precision = parseInt(precision);
var whole = "" + Math.round(value * Math.pow(10, precision));
var decPoint = whole.length - precision;
if(decPoint != 0) {
result = whole.substring(0, decPoint);
result += ".";
result += whole.substring(decPoint, whole.length);
}
else {
result = whole;
}
return result;
}
// End -->
</script>
<body>
<center>
<b>Horsepower Calculator</b>
<form name="hp" method=get action="">
<center>
<table border=0>
<tr bgcolor="#909090">
<td align=right bgcolor="#3399CC"><font face="Arial, Helv"><b><font face="Courier New, Courier, mono">Car Model</font> : </b></font></td>
<td bgcolor="#319ACE"><INPUT TYPE=text NAME="carModel" SIZE=20></td>
<tr bgcolor="#909090">
<td align=right bgcolor="#FF3300"><font face="Arial, Helv"><b><font face="Courier New, Courier, mono">Vehicle Weight With Driver</font> : </b></font></td>
<td bgcolor="#FF3000"><INPUT TYPE=text NAME="vehicleWeight" SIZE=10> (<font face="Courier New, Courier, mono">in Pounds</font>)</td>
<tr bgcolor="#909090">
<td align=right bgcolor="#996699"><font face="Arial, Helv"><b><font face="Courier New, Courier, mono">Quarter Mile time</font> : </b></font></td>
<td bgcolor="#9C659C"><INPUT TYPE=text NAME="elapsedTime" SIZE=10> (<font face="Courier New, Courier, mono">in seconds</font>)</td>
</table>
<p>
</font>
<input type=button onClick="runSubmit(form)" name="HPcalc" value="Calculate Horsepower">
</form> |
Thats it......If u hav any problems then pm me or send me a mail REGARDS..... 
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