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// form.js
debugOn = 0;
// controlCheck(objId)
// Check the checkbox or first radio.
function controlCheck(objId) {
if (debugOn) alert('controlCheck('+objId+")");
obj = document.getElementById(objId); // Get object.
formId = document.getElementById(objId).form.name; // Get form Id.
if (obj.type != 'radio') {
document[formId][objId].checked = false;
} else {
objLen = document[formId][objId].length;
document[formId][objId][0].checked = false; // Check the first radio.
}
}
// checkboxGetValue(objId)
// Get the checkbox value.
function checkboxGetValue(objId) {
if (debugOn) alert('checkboxGetValue('+objId+")");
obj = document.getElementById(objId); // Get object.
formId = document.getElementById(objId).form.name; // Get form Id.
if (obj.type != 'radio') {
checkboxValue = document[formId][objId].checked;
} else {
objLen = document[formId][objId].length;
checkboxValue = document[formId][objId][0].checked;
}
if (debugOn) alert('checkboxValue=['+checkboxValue+"]");
return checkboxValue;
}
// controlUncheck(objId)
// Uncheck the checkbox or first radio.
function controlUncheck(objId) {
if (debugOn) alert('controlUncheck('+objId+")");
obj = document.getElementById(objId); // Get object.
formId = document.getElementById(objId).form.name; // Get form Id.
if (obj.type != 'radio') {
document[formId][objId].checked = false;
} else {
objLen = document[formId][objId].length;
for(var i = 0; i < objLen; i++) {
document[formId][objId][i].checked = false; // Uncheck the first radio.
}
}
}
// elementDisable(objId)
// Disable the form element.
function elementDisable(objId) {
if (debugOn) alert('elementDisable('+objId+")");
obj = document.getElementById(objId); // Get object.
formId = document.getElementById(objId).form.name; // Get form Id.
objLen = document[formId][objId].length;
if (obj.type != 'radio') {
document[formId][objId].disabled = true;
} else {
for(var i = 0; i < objLen; i++) {
document[formId][objId][i].disabled = true;
}
}
}
// elementEnable(objId)
// Enable the form element.
function elementEnable(objId) {
if (debugOn) alert('elementEnable('+objId+")");
obj = document.getElementById(objId); // Get object.
formId = document.getElementById(objId).form.name; // Get form Id.
objLen = document[formId][objId].length;
if (obj.type != 'radio') {
document[formId][objId].disabled = false;
} else {
for(var i = 0; i < objLen; i++) {
document[formId][objId][i].disabled = false;
}
}
}
// elementHide(objId)
// Hide the form element.
function elementHide(objId) {
if (debugOn) alert('elementHide('+objId+")");
obj = document.getElementById(objId); // Get object.
formId = document.getElementById(objId).form.name; // Get form Id.
objLen = document[formId][objId].length;
if (obj.type != 'radio') {
document[formId][objId].style.visibility = "hidden";
} else {
for(var i = 0; i < objLen; i++) {
document[formId][objId][i].style.visibility = "hidden";
}
}
}
// elementShow(objId)
// Show the form element.
function elementShow(objId) {
if (debugOn) alert('elementShow('+objId+")");
obj = document.getElementById(objId); // Get object.
formId = document.getElementById(objId).form.name; // Get form Id.
objLen = document[formId][objId].length;
if (obj.type != 'radio') {
document[formId][objId].style.visibility = "visible";
} else {
for(var i = 0; i < objLen; i++) {
document[formId][objId][i].style.visibility = "visible";
}
}
}
// radioGetValue(radioName)
// Returns the value of the radio button that is checked.
// Returns empty string if no buttons selected or radio control does not exist.
function radioGetValue(radioName) {
if (!radioName) return "";
console.log('radioGetValue('+radioName+')');
var radioObj = document.getElementsByName(radioName);
var radioLength = radioObj.length;
if ( radioLength == undefined ) {
// Only one radio button.
if ( radioObj.checked ) {
return radioObj.value;
} else {
return "";
}
} else {
for(var i = 0; i < radioLength; i++) {
if (radioObj[i].checked) {
return radioObj[i].value;
}
}
}
return "";
}
// radioSetValue(objId, newValue)
// Sets the radio button with the given value as being checked.
// Does nothing if there are no radio buttons.
// If the given value does not exist, all the radio buttons are reset to unchecked.
function radioSetValue(objId, newValue) {
if (debugOn) alert('radioSetValue('+objId+","+newValue+")");
obj = document.getElementById(objId); // Get radio object.
formId = obj.form.name; // Get form name.
objLen = document[formId][objId].length;
for(var i = 0; i < objLen; i++) {
document[formId][objId][i].checked = false;
if (document[formId][objId][i].value == newValue.toString()) {
document[formId][objId][i].checked = true;
}
}
}
function getElementValue(formElement) {
//alert('formElement='+formElement);
obj = document.getElementById(formElement); // Get object.
if (obj) {
if (obj.length != null) var type = obj[0].type;
if ((typeof(type) == 'undefined') || (type == 0)) var type = obj.type;
//alert('0bj='+obj+' type='+type);
switch(type) {
case 'undefined': return;
case 'radio':
for(var x=0; x < obj.length; x++)
if (obj[x].checked == true)
return obj[x].value;
case 'select-multiple':
var myArray = new Array();
for(var x=0; x < obj.length; x++)
if (obj[x].selected == true)
myArray[myArray.length] = obj[x].value;
return myArray;
case 'checkbox': return obj.checked;
default: return obj.value;
}
} else {
alert(obj+' undefined');
}
}