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Unable to get a form to execute the function

Valiant
06-18-2007, 05:34 PM
Hi, this is my very first Javascript. I'm writing this for use in a hospital that I work in. I apologise for posting the whole page. However, I feel that in order for you to help me spot the mistake, you would need to look at the whole picture.

When the script is executed, nothing happens. Could someone please point to me where I went wrong? I'm very new to this. I've been trying everything I could for the past week. Please help me out. Thank you.

<html>

<head>
<title>Lipoc ATP Calculator</title>
<script type="text/javascript">
<!-- Begin

function calculate(form)
{
var age = form.age.value;
var chol = form.chol.value;
var hdl = form.hdl.selectedIndex;
var tsbp = form.tsbp.value;
var usbp = form.usbp.value;

var agept, smokept, cholpt, hdlpt, tsbpt, usbpt
var total, risk

// Check gender

if (form.gender[0].checked) {
var gender = "male"
} else {
if (form.gender[1].checked) {
var gender = "female"
} else {
alert("Please select your gender.");
return false
}
}

// Check age

if (!checkNum(age)) {
alert("Please enter your age.");
form.age.select();
form.age.focus();
return false
}

if ((age < 20) || (age > 79))
{
if (!confirm("This calculator is only for patients from 20 to 79 years old.")) {
form.age.select();
form.age.focus();
return false
}
}

// Check smoker
if (form.smoker[0].checked)
{
var smoker = "yes"
}
else
{
if (form.smoker[1].checked)
{
var smoker = "no"
}
else
{
alert("Does the patient smoke?");
return false
}
}

// Check cholesterols

if (!checkNum(chol))
{
alert("Please enter the patient's total cholesterol.")
form.chol.focus();
form.chol.select();
return false
}

if (hdl < 2)
{
alert("Please select a HDL cholesterol range.");
form.hdl.focus();
return false
}

// Check blood pressures
if (!checkNum(tsbp)) {
alert("Please enter the patient's treated systolic blood pressure.");
form.tsbp.focus();
form.tsbp.select();
return false
}

if (!checkNum(usbp)) {
alert("Please enter the patient's untreated systolic blood pressure.");
form.usbp.focus();
form.usbp.select();
return false
}


// Points Allocation

// Gender Points

if (gender == "female")
{
if ((age >= 75) && (age < 80)) {agept = 16;}
if ((age >= 70) && (age < 75)) {agept = 14;}
if ((age >= 65) && (age < 70)) {agept = 12;}
if ((age >= 60) && (age < 65)) {agept = 10;}
if ((age >= 55) && (age < 60)) {agept = 8;}
if ((age >= 50) && (age < 55)) {agept = 6;}
if ((age >= 45) && (age < 50)) {agept = 3;}
if ((age >= 40) && (age < 45)) {agept = 0;}
if ((age >= 35) && (age < 40)) {agept = -3;}
if ((age >= 20) && (age < 35)) {agept = -7;}
}
if (gender == "male")
{
if (age > 74 && age < 80) {agept = 13;}
if (age > 69 && age < 75) {agept = 12;}
if (age > 64 && age < 70) {agept = 11;}
if (age > 59 && age < 65) {agept = 10;}
if (age > 54 && age < 60) {agept = 8;}
if (age > 49 && age < 55) {agept = 6;}
if (age > 44 && age < 50) {agept = 3;}
if (age > 39 && age < 45) {agept = 0;}
if (age > 34 && age < 40) {agept = -4;}
if (age > 19 && age < 35) {agept = -9;}
}

form.agept.value = agept;

// Smoker Points

if (smoke == "yes")
{
if ((age >= 70) && (age < 80)) {smokerpt = 1;}
if ((age >= 60) && (age < 70)) {smokerpt = 2;}
if ((age >= 50) && (age < 60)) {smokerpt = 4;}
if ((age >= 40) && (age < 50)) {smokerpt = 7;}
if ((age >= 20) && (age < 40)) {smokerpt = 9;}
}
else {smokerpt = 0;}

form.smokerpt.value = smokerpt;

// Total Cholesterol Points

if (chol > 4 && chol < 5.2)
{
if ((age >= 60) && (age < 80)) {cholpt = 1;}
if ((age >= 50) && (age < 60)) {cholpt = 2;}
if ((age >= 40) && (age < 50)) {cholpt = 3;}
if ((age >= 20) && (age < 40)) {cholpt = 4;}
}
if (chol > 5.1 && chol < 6.2)
{
if ((age >= 70) && (age < 80)) {cholpt = 1;}
if ((age >= 60) && (age < 70)) {cholpt = 2;}
if ((age >= 50) && (age < 60))
{
if (gender == "female") {cholpt = 4;}
if (gender == "male") {cholpt = 3;}
}
if ((age >= 40) && (age < 50))
{
if (gender == "female") {cholpt = 6;}
if (gender == "male") {cholpt = 5;}
}
if ((age >= 20) && (age < 40))
{
if (gender == "female") {cholpt = 8;}
if (gender == "male") {cholpt = 7;}
}
}
if (chol > 6.1 && chol < 7.2)
{
if ((age >= 70) && (age < 80)) {cholpt = 2;}
if ((age >= 60) && (age < 70))
{
if (gender == "female") {cholpt = 3;}
if (gender == "male") {cholpt = 2;}
}
if ((age >= 50) && (age < 60))
{
if (gender == "female") {cholpt = 5;}
if (gender == "male") {cholpt = 4;}
}
if ((age >= 40) && (age < 50))
{
if (gender == "female") {cholpt = 8;}
if (gender == "male") {cholpt = 6;}
}
if ((age >= 20) && (age < 40))
{
if (gender == "female") {cholpt = 11;}
if (gender == "male") {cholpt = 9;}
}
if (chol > 7.2)
{
if ((age >= 70) && (age < 80)) {cholpt = 2;}
if ((age >= 60) && (age < 70)) {cholpt = 4;}
{
if (gender == "female") {cholpt = 4;}
if (gender == "male") {cholpt = 3;}
}
if ((age >= 50) && (age < 60)) {cholpt = 7;}
{
if (gender == "female") {cholpt = 7;}
if (gender == "male") {cholpt = 5;}
}
if ((age >= 40) && (age < 50)) {cholpt = 10;}
{
if (gender == "female") {cholpt = 10;}
if (gender == "male") {cholpt = 8;}
}
if ((age >= 20) && (age < 40)) {cholpt = 13;}
{
if (gender == "female") {cholpt = 13;}
if (gender == "male") {cholpt = 11;}
}
}

form.cholpt.value = cholpt;

// Treated Systolic BP Points

if ((tsbp > 40) && (tsbp < 120)) {tsbpt = 0;}
if ((tsbp >= 120) && (tsbp < 130))
{
if (gender == "female") {tsbpt = 3;}
if (gender == "male") {tsbpt = 1;}
}
if ((tsbp >= 130) && (tsbp < 140))
{
if (gender == "female") {tsbpt = 4;}
if (gender == "male") {tsbpt = 2;}
}
if ((tsbp >= 140) && (tsbp < 160))
{
if (gender == "female") {tsbpt = 5;}
if (gender == "male") {tsbpt = 2;}
}
if ((tsbp >= 160))
{
if (gender == "female") {tsbpt = 6;}
if (gender == "male") {tsbpt = 3;}
}

form.tsbpt.value = tsbpt;

// Untreated Systolic BP Points

if ((usbp > 40) && (usbp < 120)) {usbpt = 0;}
if ((usbp >= 120) && (usbp < 130))
{
if (gender == "female") {usbpt = 1;}
if (gender == "male") {usbpt = 0;}
}
if ((usbp >= 139) && (usbp < 140))
{
if (gender == "female") {usbpt = 2;}
if (gender == "male") {usbpt = 1;}
}
if ((usbp >= 149) && (usbp < 160))
{
if (gender == "female") {usbpt = 3;}
if (gender == "male") {usbpt = 1;}
}
if (usbp > 159)
{
if (gender == "female") {usbpt = 4;}
if (gender == "male") {usbpt = 2;}
}

form.usbpt.value = usbpt;

// Calculate total points

total = agept + smokept + cholpt + hdlpt + tsbpt + usbpt;
form.total.value = total;


// Estimation of 10-Year Coronary Heart Disease Risk

if (gender == "female")
if (total == 5)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "< 1";}
if (race == "indian") {risk = "1";}
}
if (total == 6)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "< 1";}
if (race == "indian") {risk = "1";}
}
if (total == 7)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "1";}
}
if (total == 8)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "1";}
}
if (total == 9)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "2";}
}
if (total == 10)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "2";}
}
if (total == 11)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "2";}
if (race == "indian") {risk = "3";}
}
if (total == 12)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "2";}
if (race == "indian") {risk = "3";}
}
if (total == 13)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "3";}
if (race == "indian") {risk = "4";}
}
if (total == 14)
{
if (race == "chinese") {risk = "2";}
if (race == "malay") {risk = "4";}
if (race == "indian") {risk = "6";}
}
if (total == 15)
{
if (race == "chinese") {risk = "3";}
if (race == "malay") {risk = "5";}
if (race == "indian") {risk = "7";}
}
if (total == 16)
{
if (race == "chinese") {risk = "3";}
if (race == "malay") {risk = "6";}
if (race == "indian") {risk = "10";}
}
if (total == 17)
{
if (race == "chinese") {risk = "4";}
if (race == "malay") {risk = "8";}
if (race == "indian") {risk = "12";}
}
if (total == 18)
{
if (race == "chinese") {risk = "5";}
if (race == "malay") {risk = "10";}
if (race == "indian") {risk = "16";}
}
if (total == 19)
{
if (race == "chinese") {risk = "7";}
if (race == "malay") {risk = "13";}
if (race == "indian") {risk = "20";}
}
if (total == 20)
{
if (race == "chinese") {risk = "9";}
if (race == "malay") {risk = "16";}
if (race == "indian") {risk = "> 20";}
}
if (total == 21)
{
if (race == "chinese") {risk = "12";}
if (race == "malay") {risk = "20";}
if (race == "indian") {risk = "> 20";}
}
if (total == 22)
{
if (race == "chinese") {risk = "15";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
if (total == 23)
{
if (race == "chinese") {risk = "19";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
if (total >= 24)
{
if (race == "chinese") {risk = "> 20";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
}
if (gender == "male")
if (total == -1)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "< 1";}
if (race == "indian") {risk = "1";}
}
if (total == 0)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "< 1";}
if (race == "indian") {risk = "1";}
}
if (total == 1)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "1";}
}
if (total == 2)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "1";}
}
if (total == 3)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "2";}
}
if (total == 4)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "2";}
}
if (total == 5)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "3";}
}
if (total == 6)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "2";}
if (race == "indian") {risk = "3";}
}
if (total == 7)
{
if (race == "chinese") {risk = "2";}
if (race == "malay") {risk = "2";}
if (race == "indian") {risk = "4";}
}
if (total == 8)
{
if (race == "chinese") {risk = "2";}
if (race == "malay") {risk = "3";}
if (race == "indian") {risk = "5";}
}
if (total == 9)
{
if (race == "chinese") {risk = "3";}
if (race == "malay") {risk = "4";}
if (race == "indian") {risk = "7";}
}
if (total == 10)
{
if (race == "chinese") {risk = "4";}
if (race == "malay") {risk = "5;}
if (race == "indian") {risk = "9";}
}
if (total == 11)
{
if (race == "chinese") {risk = "5";}
if (race == "malay") {risk = "6";}
if (race == "indian") {risk = "11";}
}
if (total == 12)
{
if (race == "chinese") {risk = "6";}
if (race == "malay") {risk = "8";}
if (race == "indian") {risk = "14";}
}
if (total == 13)
{
if (race == "chinese") {risk = "8";}
if (race == "malay") {risk = "11";}
if (race == "indian") {risk = "18";}
}
if (total == 14)
{
if (race == "chinese") {risk = "11";}
if (race == "malay") {risk = "13";}
if (race == "indian") {risk = "> 20";}
}
if (total == 15)
{
if (race == "chinese") {risk = "13";}
if (race == "malay") {risk = "17";}
if (race == "indian") {risk = "> 20";}
}
if (total == 16)
{
if (race == "chinese") {risk = "17";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
if (total >= 17)
{
if (race == "chinese") {risk = "> 20";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
}

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

<body>
<center>

<form name="calculator" method=post>
<table cellpadding="3px">
<tr><td colspan="3" align="center">
<p><b>Lipoc ATP Calculator</b></p>
</td>
</tr>

<tr><td style="background-color:#D4DBEE;" colspan="2" align="center"><b>Parameters</b></td>
<td style="background-color:#EED4E8;" align="center"><b>Points</b></td>
</tr>

<tr><td align="right" style="background-color:#E5ECFF;">Gender: </td>
<td align="left" style="background-color:#E5ECFF;">
<input type="radio" value="male" name="gender"> Male
<input type="radio" value="female" name="gender"> Female
</td>
<td align="right" style="background-color:#FFD86B;">
</td>
</tr>
</tr>

<tr align="right" style="background-color:#FFE5F9;"><td>Age: </td>
<td align="left">
<input type="text" name="age" size="10" value=""> years (20 to 79)
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="agept">
</td>
</tr>

<tr align="right" style="background-color:#E5ECFF;"><td>Race: </td>
<td align="left">
<input type="radio" value="chinese" name="race">Chinese</option>
<input type="radio" value="indian" name="race">Indian</option>
<input type="radio" value="malay" name="race">Malay</option>
</select>
</td>
<td align="right" style="background-color:#FFD86B;">
</td>
</tr>

<tr align="right" style="background-color:#FFE5F9;"><td>Smoker: </td>
<td align="left">
<input type="radio" value="yes" name="smoker">Yes</option>
<input type="radio" value="no" name="smoker">No</option>
</select>
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="smokerpt">
</td>
</tr>

<tr align="right" style="background-color:#E5ECFF;"><td>Total Cholesterol: </td>
<td align="left">
<input type="text" name="chol" size="10" value=""> mmol/L
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="cholpt">
</td>
</tr>

<tr align="right" style="background-color:#FFE5F9;"><td>HDL Cholesterol: </td>
<td align="left">
<select size="1" name="hdl">
<option value="">-------------------</option>
<option value="-1">>= 1.6 (60)</option>
<option value="0">1.3-1.5 (50-59)</option>
<option value="1">1.0-1.2 (40-49)</option>
<option value="2">< 1.0 (40)</option>
</select> mmol/L (mg/dL)
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="hdlpt">
</td>
</tr>

<tr align="right" style="background-color:#E5ECFF;"><td>Treated Systolic BP: </td>
<td align="left">
<input type="text" name="tsbp" size="10" value=""> mmHg
</td>
<td align="right" style="background-color:#FFD86B;">
<input type=text value="" size="2" maxlength="2" name="tsbpt">
</td>
</tr>

<tr align="right" style="background-color:#FFE5F9;"><td>Untreated Systolic BP: </td>
<td align="left">
<input type="text" name="usbp" size="10" value=""> mmHg
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="usbpt">
</td>
</tr>


<tr align="center" style="background-color:#FFE5F9;"><td colspan="2">
<input type="button" value="Calculate" onClick="calculate(this.form);">
<input type="reset" size="14" value="Clear Form">
</td>
<td align="right" style="background-color:#FFD86B;">
<b>Total: <input type=text value="" size="2" maxlength="2" name="total"></b>
</td>
</tr>
<tr align="right" style="background-color:#FFD86B;;"><td colspan="3">
<p><b>Estimation of 10 year risk of coronary heart disease:</b>
<input type="text" value="" size="3" maxlength="3" name="risk"> %
</p>

</table>
</form>

</center>
</body>

</html>
A1ien51
06-18-2007, 06:17 PM
I am guessing you are using IE. On the bottom left hand corner there should be a error symbol in the status bar. Double click on it and it should give you an error message.

If you have Firefox, install the firebug plugin and that will show you your JavaScript errors when it executes.

Eric
Valiant
06-18-2007, 07:02 PM
Hi,

I have tried that but it doesn't show where the error is.

I have a feeling that I missed out something needed to trigger the script.
Philip M
06-18-2007, 07:29 PM
"Hi, this is my very first Javascript. " Pretty impressive for a first attempt!

Two syntax errors to start with:-

if (total == 10)
{
if (race == "chinese") {risk = "4";}
if (race == "malay" {risk = "5";} // missing "
if (race == "indian") {risk = "9";}
}


} // delete this
// End -->
</script>


The form still does not work - one reason is that there appears to be no function checkNum()

Suggest this also:-

// Check age
if ((age < 20) || (age > 79)) {
alert("This calculator is only for patients from 20 to 79 years old.")
form.age.value = "";
form.age.select();
form.age.focus();
return false
}
Valiant
06-22-2007, 04:01 PM
Hi, sorry for the late reply.

Thanks for your suggestion. That worked to a certain extent. The script was able to alert if I did not fill in the fields.

However, the entered values does not get calculated.

Here's the latest version of the script:

<html>

<head>
<title>Lipoc ATP Calculator</title>
<script type="text/javascript">
<!-- Begin

function calculate(form)
{
var age = form.age.value;
var chol = form.chol.value;
var hdl = form.hdl.selectedIndex;
var tsbp = form.tsbp.value;
var usbp = form.usbp.value;

var agept, smokept, cholpt, hdlpt, tsbpt, usbpt
var total, risk

// Check gender

if (form.gender[0].checked) {
var gender = "male"
} else {
if (form.gender[1].checked) {
var gender = "female"
} else {
alert("Please select your gender.");
return false
}
}

// Check age

// Check age
if ((age < 20) || (age > 79)) {
alert("This calculator is only for patients from 20 to 79 years old.")
form.age.value = "";
form.age.select();
form.age.focus();
return false
}

// Check smoker
if (form.smoker[0].checked)
{
var smoker = "yes"
}
else
{
if (form.smoker[1].checked)
{
var smoker = "no"
}
else
{
alert("Does the patient smoke?");
return false
}
}

// Check cholesterols

if (!checkNum(chol))
{
alert("Please enter the patient's total cholesterol.")
form.chol.focus();
form.chol.select();
return false
}

if (hdl < 2)
{
alert("Please select a HDL cholesterol range.");
form.hdl.focus();
return false
}

// Check blood pressures
if (!checkNum(tsbp)) {
alert("Please enter the patient's treated systolic blood pressure.");
form.tsbp.focus();
form.tsbp.select();
return false
}

if (!checkNum(usbp)) {
alert("Please enter the patient's untreated systolic blood pressure.");
form.usbp.focus();
form.usbp.select();
return false
}


// Points Allocation

// Gender Points

if (gender == "female")
{
if ((age >= 75) && (age < 80)) {agept = 16;}
if ((age >= 70) && (age < 75)) {agept = 14;}
if ((age >= 65) && (age < 70)) {agept = 12;}
if ((age >= 60) && (age < 65)) {agept = 10;}
if ((age >= 55) && (age < 60)) {agept = 8;}
if ((age >= 50) && (age < 55)) {agept = 6;}
if ((age >= 45) && (age < 50)) {agept = 3;}
if ((age >= 40) && (age < 45)) {agept = 0;}
if ((age >= 35) && (age < 40)) {agept = -3;}
if ((age >= 20) && (age < 35)) {agept = -7;}
}
if (gender == "male")
{
if (age > 74 && age < 80) {agept = 13;}
if (age > 69 && age < 75) {agept = 12;}
if (age > 64 && age < 70) {agept = 11;}
if (age > 59 && age < 65) {agept = 10;}
if (age > 54 && age < 60) {agept = 8;}
if (age > 49 && age < 55) {agept = 6;}
if (age > 44 && age < 50) {agept = 3;}
if (age > 39 && age < 45) {agept = 0;}
if (age > 34 && age < 40) {agept = -4;}
if (age > 19 && age < 35) {agept = -9;}
}

form.agept.value = agept;

// Smoker Points

if (smoke == "yes")
{
if ((age >= 70) && (age < 80)) {smokerpt = 1;}
if ((age >= 60) && (age < 70)) {smokerpt = 2;}
if ((age >= 50) && (age < 60)) {smokerpt = 4;}
if ((age >= 40) && (age < 50)) {smokerpt = 7;}
if ((age >= 20) && (age < 40)) {smokerpt = 9;}
}
else {smokerpt = 0;}

form.smokerpt.value = smokerpt;

// Total Cholesterol Points

if (chol > 4 && chol < 5.2)
{
if ((age >= 60) && (age < 80)) {cholpt = 1;}
if ((age >= 50) && (age < 60)) {cholpt = 2;}
if ((age >= 40) && (age < 50)) {cholpt = 3;}
if ((age >= 20) && (age < 40)) {cholpt = 4;}
}
if (chol > 5.1 && chol < 6.2)
{
if ((age >= 70) && (age < 80)) {cholpt = 1;}
if ((age >= 60) && (age < 70)) {cholpt = 2;}
if ((age >= 50) && (age < 60))
{
if (gender == "female") {cholpt = 4;}
if (gender == "male") {cholpt = 3;}
}
if ((age >= 40) && (age < 50))
{
if (gender == "female") {cholpt = 6;}
if (gender == "male") {cholpt = 5;}
}
if ((age >= 20) && (age < 40))
{
if (gender == "female") {cholpt = 8;}
if (gender == "male") {cholpt = 7;}
}
}
if (chol > 6.1 && chol < 7.2)
{
if ((age >= 70) && (age < 80)) {cholpt = 2;}
if ((age >= 60) && (age < 70))
{
if (gender == "female") {cholpt = 3;}
if (gender == "male") {cholpt = 2;}
}
if ((age >= 50) && (age < 60))
{
if (gender == "female") {cholpt = 5;}
if (gender == "male") {cholpt = 4;}
}
if ((age >= 40) && (age < 50))
{
if (gender == "female") {cholpt = 8;}
if (gender == "male") {cholpt = 6;}
}
if ((age >= 20) && (age < 40))
{
if (gender == "female") {cholpt = 11;}
if (gender == "male") {cholpt = 9;}
}
if (chol > 7.2)
{
if ((age >= 70) && (age < 80)) {cholpt = 2;}
if ((age >= 60) && (age < 70)) {cholpt = 4;}
{
if (gender == "female") {cholpt = 4;}
if (gender == "male") {cholpt = 3;}
}
if ((age >= 50) && (age < 60)) {cholpt = 7;}
{
if (gender == "female") {cholpt = 7;}
if (gender == "male") {cholpt = 5;}
}
if ((age >= 40) && (age < 50)) {cholpt = 10;}
{
if (gender == "female") {cholpt = 10;}
if (gender == "male") {cholpt = 8;}
}
if ((age >= 20) && (age < 40)) {cholpt = 13;}
{
if (gender == "female") {cholpt = 13;}
if (gender == "male") {cholpt = 11;}
}
}

form.cholpt.value = cholpt;

// Treated Systolic BP Points

if ((tsbp > 40) && (tsbp < 120)) {tsbpt = 0;}
if ((tsbp >= 120) && (tsbp < 130))
{
if (gender == "female") {tsbpt = 3;}
if (gender == "male") {tsbpt = 1;}
}
if ((tsbp >= 130) && (tsbp < 140))
{
if (gender == "female") {tsbpt = 4;}
if (gender == "male") {tsbpt = 2;}
}
if ((tsbp >= 140) && (tsbp < 160))
{
if (gender == "female") {tsbpt = 5;}
if (gender == "male") {tsbpt = 2;}
}
if ((tsbp >= 160))
{
if (gender == "female") {tsbpt = 6;}
if (gender == "male") {tsbpt = 3;}
}

form.tsbpt.value = tsbpt;

// Untreated Systolic BP Points

if ((usbp > 40) && (usbp < 120)) {usbpt = 0;}
if ((usbp >= 120) && (usbp < 130))
{
if (gender == "female") {usbpt = 1;}
if (gender == "male") {usbpt = 0;}
}
if ((usbp >= 139) && (usbp < 140))
{
if (gender == "female") {usbpt = 2;}
if (gender == "male") {usbpt = 1;}
}
if ((usbp >= 149) && (usbp < 160))
{
if (gender == "female") {usbpt = 3;}
if (gender == "male") {usbpt = 1;}
}
if (usbp > 159)
{
if (gender == "female") {usbpt = 4;}
if (gender == "male") {usbpt = 2;}
}

form.usbpt.value = usbpt;

// Calculate total points

total = agept + smokept + cholpt + hdlpt + tsbpt + usbpt;
form.total.value = total;


// Estimation of 10-Year Coronary Heart Disease Risk

if (gender == "female")
if (total == 5)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "< 1";}
if (race == "indian") {risk = "1";}
}
if (total == 6)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "< 1";}
if (race == "indian") {risk = "1";}
}
if (total == 7)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "1";}
}
if (total == 8)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "1";}
}
if (total == 9)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "2";}
}
if (total == 10)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "2";}
}
if (total == 11)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "2";}
if (race == "indian") {risk = "3";}
}
if (total == 12)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "2";}
if (race == "indian") {risk = "3";}
}
if (total == 13)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "3";}
if (race == "indian") {risk = "4";}
}
if (total == 14)
{
if (race == "chinese") {risk = "2";}
if (race == "malay") {risk = "4";}
if (race == "indian") {risk = "6";}
}
if (total == 15)
{
if (race == "chinese") {risk = "3";}
if (race == "malay") {risk = "5";}
if (race == "indian") {risk = "7";}
}
if (total == 16)
{
if (race == "chinese") {risk = "3";}
if (race == "malay") {risk = "6";}
if (race == "indian") {risk = "10";}
}
if (total == 17)
{
if (race == "chinese") {risk = "4";}
if (race == "malay") {risk = "8";}
if (race == "indian") {risk = "12";}
}
if (total == 18)
{
if (race == "chinese") {risk = "5";}
if (race == "malay") {risk = "10";}
if (race == "indian") {risk = "16";}
}
if (total == 19)
{
if (race == "chinese") {risk = "7";}
if (race == "malay") {risk = "13";}
if (race == "indian") {risk = "20";}
}
if (total == 20)
{
if (race == "chinese") {risk = "9";}
if (race == "malay") {risk = "16";}
if (race == "indian") {risk = "> 20";}
}
if (total == 21)
{
if (race == "chinese") {risk = "12";}
if (race == "malay") {risk = "20";}
if (race == "indian") {risk = "> 20";}
}
if (total == 22)
{
if (race == "chinese") {risk = "15";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
if (total == 23)
{
if (race == "chinese") {risk = "19";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
if (total >= 24)
{
if (race == "chinese") {risk = "> 20";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
}
if (gender == "male")
if (total == -1)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "< 1";}
if (race == "indian") {risk = "1";}
}
if (total == 0)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "< 1";}
if (race == "indian") {risk = "1";}
}
if (total == 1)
{
if (race == "chinese") {risk = "< 1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "1";}
}
if (total == 2)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "1";}
}
if (total == 3)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "2";}
}
if (total == 4)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "2";}
}
if (total == 5)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "1";}
if (race == "indian") {risk = "3";}
}
if (total == 6)
{
if (race == "chinese") {risk = "1";}
if (race == "malay") {risk = "2";}
if (race == "indian") {risk = "3";}
}
if (total == 7)
{
if (race == "chinese") {risk = "2";}
if (race == "malay") {risk = "2";}
if (race == "indian") {risk = "4";}
}
if (total == 8)
{
if (race == "chinese") {risk = "2";}
if (race == "malay") {risk = "3";}
if (race == "indian") {risk = "5";}
}
if (total == 9)
{
if (race == "chinese") {risk = "3";}
if (race == "malay") {risk = "4";}
if (race == "indian") {risk = "7";}
}
if (total == 10)
{
if (race == "chinese") {risk = "4";}
if (race == "malay") {risk = "5";}
if (race == "indian") {risk = "9";}
}
if (total == 11)
{
if (race == "chinese") {risk = "5";}
if (race == "malay") {risk = "6";}
if (race == "indian") {risk = "11";}
}
if (total == 12)
{
if (race == "chinese") {risk = "6";}
if (race == "malay") {risk = "8";}
if (race == "indian") {risk = "14";}
}
if (total == 13)
{
if (race == "chinese") {risk = "8";}
if (race == "malay") {risk = "11";}
if (race == "indian") {risk = "18";}
}
if (total == 14)
{
if (race == "chinese") {risk = "11";}
if (race == "malay") {risk = "13";}
if (race == "indian") {risk = "> 20";}
}
if (total == 15)
{
if (race == "chinese") {risk = "13";}
if (race == "malay") {risk = "17";}
if (race == "indian") {risk = "> 20";}
}
if (total == 16)
{
if (race == "chinese") {risk = "17";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
if (total >= 17)
{
if (race == "chinese") {risk = "> 20";}
if (race == "malay") {risk = "> 20";}
if (race == "indian") {risk = "> 20";}
}
}
// End -->
</script>
</head>

<body>
<center>

<form name="calculator" method=post>
<table cellpadding="3px">
<tr><td colspan="3" align="center">
<p><b>Lipoc ATP Calculator</b></p>
</td>
</tr>

<tr><td style="background-color:#D4DBEE;" colspan="2" align="center"><b>Parameters</b></td>
<td style="background-color:#EED4E8;" align="center"><b>Points</b></td>
</tr>

<tr><td align="right" style="background-color:#E5ECFF;">Gender: </td>
<td align="left" style="background-color:#E5ECFF;">
<input type="radio" value="male" name="gender"> Male
<input type="radio" value="female" name="gender"> Female
</td>
<td align="right" style="background-color:#FFD86B;">
</td>
</tr>
</tr>

<tr align="right" style="background-color:#FFE5F9;"><td>Age: </td>
<td align="left">
<input type="text" name="age" size="10" value=""> years (20 to 79)
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="agept">
</td>
</tr>

<tr align="right" style="background-color:#E5ECFF;"><td>Race: </td>
<td align="left">
<input type="radio" value="chinese" name="race">Chinese</option>
<input type="radio" value="indian" name="race">Indian</option>
<input type="radio" value="malay" name="race">Malay</option>
</td>
<td align="right" style="background-color:#FFD86B;">
</td>
</tr>

<tr align="right" style="background-color:#FFE5F9;"><td>Smoker: </td>
<td align="left">
<input type="radio" value="yes" name="smoker">Yes</option>
<input type="radio" value="no" name="smoker">No</option>
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="smokerpt">
</td>
</tr>

<tr align="right" style="background-color:#E5ECFF;"><td>Total Cholesterol: </td>
<td align="left">
<input type="text" name="chol" size="10" value=""> mmol/L
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="cholpt">
</td>
</tr>

<tr align="right" style="background-color:#FFE5F9;"><td>HDL Cholesterol: </td>
<td align="left">
<select size="1" name="hdl">
<option value="">-------------------</option>
<option value="-1">>= 1.6 (60)</option>
<option value="0">1.3-1.5 (50-59)</option>
<option value="1">1.0-1.2 (40-49)</option>
<option value="2">< 1.0 (40)</option>
</select> mmol/L (mg/dL)
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="hdlpt">
</td>
</tr>

<tr align="right" style="background-color:#E5ECFF;"><td>Treated Systolic BP: </td>
<td align="left">
<input type="text" name="tsbp" size="10" value=""> mmHg
</td>
<td align="right" style="background-color:#FFD86B;">
<input type=text value="" size="2" maxlength="2" name="tsbpt">
</td>
</tr>

<tr align="right" style="background-color:#FFE5F9;"><td>Untreated Systolic BP: </td>
<td align="left">
<input type="text" name="usbp" size="10" value=""> mmHg
</td>
<td align="right" style="background-color:#FFD86B;">
<input type="text" value="" size="2" maxlength="2" name="usbpt">
</td>
</tr>


<tr align="center" style="background-color:#FFE5F9;"><td colspan="2">
<input type="button" value="Calculate" onClick="calculate(this.form);">
<input type="reset" size="14" value="Clear Form">
</td>
<td align="right" style="background-color:#FFD86B;">
<b>Total: <input type=text value="" size="2" maxlength="2" name="total"></b>
</td>
</tr>
<tr align="right" style="background-color:#FFD86B;;"><td colspan="3">
<p><b>Estimation of 10 year risk of coronary heart disease:</b>
<input type="text" value="" size="3" maxlength="3" name="risk"> %
</p>

</table>
</form>

</center>
</body>

</html>
Philip M
06-22-2007, 04:59 PM
As I said, there is no function named checkNum() in your code.
So for example:-

// Check cholesterols
if (!checkNum(chol))
{
says

if the function checkNum() returns false .... (obviously the function checkNum() of it existed would check that the entered value was numeric)

But as it does not exist then naturally nothing happens and no value is returned.

Try adding this to the code:-

function checkNum(which) {
if (isNaN(which.value)) {return false}
else {return true}
}
Valiant
06-27-2007, 02:53 AM
I tried your suggestion. It didn't work.

I tried this as well but it still doesnt' work:

function checkNum(val) {
if ((val == null) || (isNaN(val)) || (val == "") || (val < 0)) {
return false
}
return true;
}

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