JavaScript Calculatopr Markup

hello there,
i am trying to add some javascript code in my html but i just cant get it done.
i have 3 products that cost $2.00 dollars each one, and if they want to buy 500 will divide it
by 20%, 8000 divide it by %30 and if they want 12000 for %40, and show the prince thats
all i need to do

here is my html code

<html>
<head>
<title>Calculator Markup</title>
</head>
<body>
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#000000" width="100%" id="AutoNumber1">
  <tr>
    <td><font face="Verdana" style="font-size: 9pt; font-weight: 700">Product</font></td>
    <td><font face="Verdana" style="font-size: 9pt; font-weight: 700">Quantity</font></td>
    <td><span style="font-weight: 700">
    <font face="Verdana" style="font-size: 9pt">Price per Product $2.00</font></span></td>
  </tr>
  <tr>
    <td>
    <select class="dropdown" style="WIDTH: 99; BACKGROUND-COLOR: #99ccff; height:99" size="1" name="X_Product">
    <option value>Select</option>
    <option value="DF6870">DF6870</option>
    <option value="EF6890">EF6890</option>
    <option value="GF6860">GF6860</option>
    </select></td>
    <td>
    <select class="dropdown" style="WIDTH: 99; BACKGROUND-COLOR: #99ccff; height:99" size="1" name="X_Product">
    <option value>Select</option>
    <option value="500">500</option>
    <option value="8000">8000</option>
    <option value="12000">12000</option>
    </select></td>
    <td>
    <input maxLength="5" name="X_Price" size="20"></td>
  </tr>
  </table>
</body>
</html>
XtryAsked:
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cLFlaVAConnect With a Mentor Commented:
Hi xtry-

Something like this?

<html>
<head>
<title>Calculator Markup</title>

<script language="javascript">
<!--
function reCalc(v) {
    var t = document.forms['the_form'].elements['X_Price'];
      var prod = document.forms['the_form'].elements['X_Product'];
      var p = 2;

    if (prod.options[prod.selectedIndex].value != '') {
            switch (v) {
                  case '500':
                        t.value = (p * parseInt(v)) * .8;
                        break;
                  case '8000':
                        t.value = (p * parseInt(v)) * .7;
                        break;
                  case '12000':
                        t.value = (p * parseInt(v)) * .6;
                        break;
                  default:
                        t.value = '';
                        break;
            }
      } else {
        t.value = '';
      }
}
-->
</script>

</head>
<body>
<form name="the_form">
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#000000" width="100%" id="AutoNumber1">
  <tr>
    <td><font face="Verdana" style="font-size: 9pt; font-weight: 700">Product</font></td>
    <td><font face="Verdana" style="font-size: 9pt; font-weight: 700">Quantity</font></td>
    <td><span style="font-weight: 700">
    <font face="Verdana" style="font-size: 9pt">Price per Product $2.00</font></span></td>
  </tr>
  <tr>
    <td>
    <select class="dropdown" style="WIDTH: 99; BACKGROUND-COLOR: #99ccff; height:99" size="1" name="X_Product">
    <option value="">Select</option>
    <option value="DF6870">DF6870</option>
    <option value="EF6890">EF6890</option>
    <option value="GF6860">GF6860</option>
    </select></td>
    <td>
    <select class="dropdown" onchange="reCalc(this.value);" style="WIDTH: 99; BACKGROUND-COLOR: #99ccff; height:99" size="1" name="X_Qty">
    <option value="">Select</option>
    <option value="500">500</option>
    <option value="8000">8000</option>
    <option value="12000">12000</option>
    </select></td>
    <td>
    <input maxLength="5" name="X_Price" size="20"></td>
  </tr>
  </table>
  </form>
</body>
</html>
0
 
cLFlaVACommented:
Note:  if the price will always be $2, and there will always only be those three options for quantity, there really is no calculation needed.  This can be done much simpler, but I assumed you'd wanted the calculation for an actual JavaScript solution.
0
 
XtryAuthor Commented:
awsome man, thanks a lot
0
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