// From: http://www.somacon.com/p143.php

// return the value of the radio button that is checked
// return an empty string if none are checked, or
// there are no radio buttons
function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

// set the radio button with the given value as being checked
// do nothing if there are no radio buttons
// if the given value does not exist, all the radio buttons
// are reset to unchecked
function setCheckedValue(radioObj, newValue) {
	if(!radioObj)
		return;
	var radioLength = radioObj.length;
	if(radioLength == undefined) {
		radioObj.checked = (radioObj.value == newValue.toString());
		return;
	}
	for(var i = 0; i < radioLength; i++) {
		radioObj[i].checked = false;
		if(radioObj[i].value == newValue.toString()) {
			radioObj[i].checked = true;
		}
	}
}

//////////////////////////////////////////////////
//////////////////////////////////////////////////
//////////////////////////////////////////////////

// From: http://lena.franken.de/software/javascript/index.html
function setfocus(a_field_id) {
    $(a_field_id).focus()
}


//////////////////////////////////////////////////
//////////////////////////////////////////////////
//////////////////////////////////////////////////


// From: http://stackoverflow.com/questions/382171/use-javascript-to-change-which-submit-is-activated-on-enter-key-press
function processKey(e, submitButton){
    if (null == e) {
        e = window.event;
    }
    if (e.keyCode == 13)  {
        document.getElementById(submitButton).click();
        return false;
    }

}

//////////////////////////////////////////////////
//////////////////////////////////////////////////
//////////////////////////////////////////////////

// From: http://www.somacon.com/p117.php

function SetAllCheckBoxes(FormName, FieldName, CheckValue)
{
	if(!document.forms[FormName])
		return;
	var objCheckBoxes = document.forms[FormName].elements[FieldName];
	if(!objCheckBoxes)
		return;
	var countCheckBoxes = objCheckBoxes.length;
	if(!countCheckBoxes)
		objCheckBoxes.checked = CheckValue;
	else
		// set the check value for all check boxes
		for(var i = 0; i < countCheckBoxes; i++)
			objCheckBoxes[i].checked = CheckValue;
}