Need help with form calculator

Hello guys,
long story short my boss wants me to add this calculator form to our website(here is the link to what he wants exactly) so I try to copy that code but it won't work. I was wondering if this javascript would work.

<script language="JavaScript">
function calc() {
gear = document.name1.drpPumpType.1;
vane = document.name1.drpPumpType.2;

if (gear)
{

txtW = document.form1.txtW.value;
txtD = document.form1.txtD.value;
txtL = document.form1.txtL.value;
int gearCIR;
gearCIR = 6 * txtW *(2 * txtD - txtL) * (txtL - txtD) / 2;
}
else
{
int vaneCIR;
vaneCIR = 12 * txtW * (txtL + txtD) / 4 * (txtL - txtD) / 2;
}

Code (markup):

I probably don't even need a if statement but I haven't program in a long time and never use java script before. so bare with me.

here is the html form code

<form name="name1">
<table align="center" border="0" width="44%">
<tbody>
<tr>
<td colspan="3"><span class="BoldHeadingLabel style1">Displacement&nbsp;from&nbsp;Measurements</span></td></tr>
<tr>
<td width="50"><span class="style1"></span><br />
</td>
<td width="157"><span class="BoldLabel style1">Pump/Motor&nbsp;Type:</span></td>
<td width="456"> <span class="style1"></span> <br />
</td></tr>
<tr>
<td width="50"><span class="style1"></span><br />
</td>
<td width="157"><span class="BoldLabel style1">Gear&nbsp;Width&nbsp;(W):</span></td>
<td><span class="style1"><input name="txtW" id="txtW" maxlength="10" size="10" value="" type="text" /></span></td></tr>
<tr>
<td width="50"><span class="style1"></span><br />
</td>
<td width="157"><span class="BoldLabel style1">Gear&nbsp;Bore&nbsp;Dia.&nbsp;(D):</span></td>
<td><span class="style1"><input name="txtD" id="txtD" maxlength="10" size="10" value="" type="text" /></span></td></tr>
<tr>
<td width="50"><span class="style1"></span><br />
</td>
<td width="157"><span class="BoldLabel style1">Bore&nbsp;to&nbsp;Bore&nbsp;(L):</span></td>
<td><span class="style1"><input name="txtL" id="txtL" maxlength="10" size="10" value="" type="text" /></span></td></tr>
<tr>
<td colspan="3"><span class="style1"></span><br />
</td></tr>
<tr>
<td width="50"><span class="style1"></span><br />
</td>
<td width="157"><span class="BoldLabel style1">Displacement&nbsp;(CIR)&nbsp;&nbsp;&nbsp;=&nbsp;&nbsp;&nbsp;</span></td>
<td><span class="CalAnswer style1">_________</span><span class="style1"><br />
</span></td></tr>
<tr></tr>
<tr>
<td colspan="3"><span class="style1"></span><br />
</td></tr>
<tr>
<td colspan="3" align="center"><input value="Calculate" id="submit1" name="submit1" type="submit" />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input value="Clear" id="clearform" name="clearform" onclick="cmdReset_onclick()" type="button" /> </td></tr></tbody></table></form>

Code (markup):

For some reason it says access denied. I copy this code from that website. but can't find any code wrong.
I know this code is probably so wrong but any help is much appreciated .

 

The reason it doesn't work is that you're missing all the ASP code that's not going to show in your browser. You're using a submit button that's submitting a form with no action (and you don't have access to a null file that doesn't exist). And code like

gear = document.name1.drpPumpType.1;

Code (markup):

isn't going to do anything but throw an error. There's just too much you have to learn to put it in a forum response. ("never use java script before" means that you'll have to learn not only Javascript, but how a document works.) Tell your boss that there's code on that site that you can't get without buying it from the owners of the site. And, if he wants someone to write their own code, it's going to cost at least $35/hour - and probably closer to $75/hour (unless he hires some high school kid who may or may not know how to do it even if he claims he does).