App.alert show over and over after each keystroke

Question

I am preparing a pdf form for my department in which doctors will need to quantify the amount of tracer found in 17 heart arteries. The amount of tracer in the patient will be compared when the patient is under stress and when he is at rest.
Then it will calculate the sum of the 17 scores at stress (SSS) and the sum of the score at rest (SRS), and then will calculate the difference between the 2 scores (SDS).
The rationale is that the score of each 17 segments at rest cannot (should not) be higher than the score at stress, however under a few circumstances this can happen. But to be sure that the user knows it's abnormal, it will tell that it should not be like that, and need to agree this is the case.
The problem is that if this happen, each keystroke thereafter will re-trigger the question. How can I make sure that once it asks the question for that particular segment, it will not ask it again?
The other issue is that in these rare cases, we still want to collect what should be the answer if this didn't happen. So I created another set of score at rest (these will be hidden on the final form, but left it there so I can see the results during the design of the form) that should copy the results of the raw data. But in the case of when the rest score is higher than the stress score, it will take the stress value. The problem is that it calculates the SRS one stroke late. How do I fix this?
Here is a link to my form.
Dropbox - Sample Perfusion form.pdf

Answer 1

// The Fieldname shoud have the following hierarchy-Name-Format
// It's important in my case that the naming of the fields for stress and rest perfussion have the follwing format: "Part1.Part2.99 " (Parent-Child-Format)
// sample:
// "Feld.sss.10", "Feld.sss.11"........"Feld.sss.27"
// "Feld.srs.10", "Feld.srs.11"........"Feld.srs.27"
// for this code its important that the last to char have two digits: 01 intead of 1, 02 instead of 2 etc..
// Better you begin with 10 and 11,12,13..27
// The other three result fields a named xsss, xsrs, xsds.
// The two raw field, i didn't make. You must describe in more detail.
// This is the main core. The rest is very little and easy.
xFeldname = "Feld."        // Fieldname Part1 for Stress/Rest Perfusion (Parent or Groupname)
xFeldExtSss = "sss."        // Fieldname Part2 for Stress Perfusion (Child 1)
xFeldExtSrs = "srs."         // Fieldname Part2 for Rest Perfusion (Child 2)
xFieldSSS = "xsss"          // Fieldname for calculated Field SSS (as I understand it: sum of the Stress Perfusion, less than 9)
xFieldSRS = "xsrs"          // Fieldname for calculated Field SRS (as I understand it: sum of the Rest Perfusion, less than 9)
xFieldSDS = "xsds"         // Fieldname for Field SDS (as I understand it: It's the difference from the Field SSS and SRS)
sxsField = this.getField(xFeldname)
sxsField.setAction("Validate", "xcompare(event.targetName, event.value)")
if (typeof okFields == "undefined") {
    okFields = new Array()
function xcompare(xField, xValue) {
    var xSuff = xField.substring(xField.length - 2)
    var srsName = xFeldname + xFeldExtSrs + xSuff
    var sssName = xFeldname + xFeldExtSss + xSuff
    if (xField == srsName) {
        var xSSS = this.getField(sssName).value
        var xSRS = xValue
        var srsorsss = xFeldExtSrs
    } else {
        var xSSS = xValue
        var xSRS = this.getField(srsName).value
        var srsorsss = xFeldExtSss       
    if (xSRS > xSSS) {
        if (okFields.indexOf(xSuff) == -1) {
            if (app.alert("..your alert: The SRS is bigger than SSS. Is this OK?......", 2, 2) == 4) {
                okFields.push(xSuff)
                this.getField(srsName).textColor = color.red
                this.getField(sssName).textColor = color.red
            } else {
                event.rc = false
                return
    } else {
        var xFind = okFields.indexOf(xSuff)
        if (xFind != -1) {
            delete okFields[xFind]
            this.getField(srsName).textColor = color.black
            this.getField(sssName).textColor = color.black
    if (event.rc = true) xcalculate(xField, xValue, xSuff, srsorsss)
function xcalculate(xField, xValue, xSuff, srsorsss) {
    var xTemp = xField.substring(0, xField.length - 2)
    var xSum = 0
    if (xValue >= 1 && xValue < 9) {
        var sxsField = this.getField(xTemp)
        var xTemp = sxsField.getArray()       
        xSum = parseInt(event.value)
        for (i = 0; i < xTemp.length; i++) {
            if (xValue < 1 || xValue > 8) continue
            if (xTemp[i].name == xField) continue
            if (xTemp[i].value == "") continue
            if (xTemp[i].value > 8) continue
            xSum += parseInt(xTemp[i].value)       
        if (srsorsss == xFeldExtSss) {
            this.getField(xFieldSSS).value = xSum
        } else {
            this.getField(xFieldSRS).value = xSum
        this.getField(xFieldSDS).value = this.getField(xFieldSSS).value - this.getField(xFieldSRS).value