//helper for displayData() function
//simply ensures that user enters first, second names, selects a radio button
//and at least one checkboxfunction
function validate(){
if (document.studentForm.firstName.value == ""){
alert("Please enter first name");
return false;
}
if (document.studentForm.secondName.value == ""){
alert("Please enter second name");
return false;
}
var isRadChecked = false;
var j;
for (j = 0; j<5; j++) {
//if rad button is checked, set isRadChecked to true
if (document.studentForm.points[j].checked)
isRadChecked = true;
}
if (!isRadChecked){
alert("Please press a radio button");
return false;
}
var isBoxChecked = false;
var k;
for (k = 0; k<5; k++) {
//if checkbox is checked, set isBoxChecked to true
if (document.studentForm.reason[k].checked)
isBoxChecked = true;
}
if (!isBoxChecked){
alert("Please select at least one checkbox");
return false;
}
return true;
}//end
function displayData(form) {
var radVal; //value of checked radio button
var data; //the string that will be written to the window document, includes all the html markup
var dataWindow; // for displaying data entered in the form
//validate the form
if (validate()){
//if OK, loop through the radio buttons
var count;
for (count = 0; count < 5; count++) {
//if rad button is checked, break out and set radVal to the value of the checked radio button
if (form.points[count].checked)
break;
}
radVal = form.points[count].value;
var reasonStr = "";//initialize
//loop through the checkboxes
for (var i=0; i<5; i++)
{
//test each checkbox for checked
if (form.reason[i].checked)
{
//concatenate the string - uses bullet points to display
reasonStr = reasonStr + "
" + form.reason[i].value + "
";
}
}
var coursesStr;
if (form.courses.value == "") {
coursesStr = "None";
}
else{
coursesStr = form.courses.value;
}
data = "Student Data" + "
Student Data
First name: "
+ form.firstName.value + "
Second name: " + form.secondName.value + "
Number of courses studied in 2004: "
+ form.noCourses.value + "