Help finish my first javascript

ksduded · September 19, 2009

I am trying to make an instant quote calculator, but having some trouble. I want to display the result of the calculation in the textbox with id price.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>OVP Custom Order</title>

<script language="javascript">
<!--

function calcul(){

var vmin = document.getElementById('dur_min')[document.getElementById('dur_min').selectedIndex].value;
var vsec = document.getElementById('dur_sec')[document.getElementById('dur_sec').selectedIndex].value;
var vscript = document.getElementById('script')[document.getElementById('script').selectedIndex].value;
var vvstock = document.getElementById('vis_stock')[document.getElementById('vis_stock').selectedIndex].value;
var vvvideo = document.getElementById('vis_video')[document.getElementById('vis_video').selectedIndex].value;
var vvanim = document.getElementById('vis_anim')[document.getElementById('vis_anim').selectedIndex].value;
var vvoice = document.getElementById('voice')[document.getElementById('voice').selectedIndex].value;
var vmusic = document.getElementById('music')[document.getElementById('music').selectedIndex].value;

vmin = vmin*1;
vsec = vsec*1;
vscript = vscript*1;
vvstock = vvstock*1;
vvvideo = vvvideo*1;
vvanim = vvanim*1;
vvoice = vvoice*1;
vvmusic = vvmusic*1;
var overhead = 547;
cost = (vmin+vsec)*(vscript+vvstock+vvvideo+vvanim+vvoice+vmusic+overhead);
document.getElementById('price').value = cost;

} 
// -->
</script>
</head>

<body>
<form id="form1" name="main">
  <label>Duration
  <select id="dur_min">
    <option value="0">0</option>
    <option value="1">1</option>
    <option value="2">2</option>
    <option value="3">3</option>
    <option value="4">4</option>
    <option value="5">5</option>
    <option value="6">6</option>
    <option value="7">7</option>
    <option value="8">8</option>
    <option value="9">9</option>
    <option value="10">10</option>
    <option value="11">11</option>
    <option value="12">12</option>
    <option value="13">13</option>
    <option value="14">14</option>
    <option value="15">15</option>
    <option value="16">16</option>
    <option value="17">17</option>
    <option value="18">18</option>
    <option value="19">19</option>
    <option value="20">20</option>
    <option value="21">21</option>
    <option value="22">22</option>
    <option value="23">23</option>
    <option value="24">24</option>
    <option value="25">25</option>
    <option value="26">26</option>
    <option value="27">27</option>
    <option value="28">28</option>
    <option value="29">29</option>
    <option value="30">30</option>
      </select>
  </label>
  mins 
  <label>
  <select name="dur_sec" id="dur_sec">
    <option value="0">00</option>
    <option value="0.25">15</option>
    <option value="0.5">30</option>
    <option value="0.75">45</option>
  </select>
  </label>
  seconds<br />
  <label><br />
  Script Provided by
  <select name="script" id="script">
    <option value="0">Client</option>
    <option value="200">OVP</option>
  </select>
  </label>
  <br />
  <br />
  Visuals<br />
  <label>
  <input value="100" type="checkbox" name="vis_stock" id="vis_stock" />
  Stock Image Library</label>
  <br />
  <label>
  <input value="300" type="checkbox" name="vis_video" id="vis_video" />
  Video Shoot</label>
  <br />
  <label>
  <input value="200" type="checkbox" name="vis_animation" id="vis_animation" />
  Animation & Graphics</label>
  <br />
  <label><br />
  Voiceovers
  <select name="voiceovers" id="voiceovers">
    <option value="0">No</option>
    <option value="200">Yes</option>
    </select>
  </label>
  <br />
  <label><br />
  Royalty Free Music
  <select name="music" id="music">
    <option value="0">No</option>
    <option value="50">Yes</option>
    </select>
  </label>
  <br />
  <br />
  Output Format(s)<br />
  <label>
  <input type="checkbox" name="out_web" id="out_web" />
  Web</label>
     
  <label>
  <input type="checkbox" name="out_dvd" id="out_dvd" />
  DVD</label>
     
  <label>
  <input type="checkbox" name="out_download" id="out_download" />
  Download</label>
  <br />
  <br />
  <label>
  <input type="submit" name="submit" id="submit" value="Calculate" onClick="calcul()"/>
  </label>
  <label>Approximate Price
  <input name="price" type="text" id="price" size="10" virtual warp="on" />
  </label>
  <br />
</form>
</body>
</html>

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Help finish my first javascript

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