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     FILE ARCHIVED ON 9:11:00 Jan 17, 2009 AND RETRIEVED FROM THE
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     JAVASCRIPT APPENDED BY OPENWAYBACK, COPYRIGHT INTERNET ARCHIVE.

     ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C.
     SECTION 108(a)(3)).
*/
/**
 * JavaScript functions for CFC e-Giving system allocation form
 *
 * @category  CFCe
 * @package   e-Giving
 * @author    Dave Stevenson <dave@charity.org>
 * @copyright 2008 Dave Stevenson, Global Impact
 * @license   https://webarchive.library.unt.edu/eot2008/20090117091100/http://opensource.org/licenses/gpl-license.php GNU Public License
 * @version   SVN: $Id$
 * @link      https://webarchive.library.unt.edu/eot2008/20090117091100/http://trac.globalimpact.net/wiki/systems/eGiving
 * @see       https://webarchive.library.unt.edu/eot2008/20090117091100/http://www.cfcnca.org/common.js
 */
 
/**
 * CFCO: update salary grade and step selectora
 *
 * @returns null
 */
function salaryUpdate ()
{
	if (!eid('SalaryType1'))
		return;
	if (eid('SalaryType1').checked) {
		var grades = mgrades;
		eid('stepspan').style.display = 'inline';
	}
	else if (eid('SalaryType2').checked) {
		var grades = cgrades;
		eid('stepspan').style.display = 'none';
	}
	else 
		var grades = Array();
	var i = j = 0;
	eid('SalaryGradeSelect').options.length = 0;
	eid('SalaryGradeSelect').options[i++] = new Option('---', '');
	for (var g in grades) {
		eid('SalaryGradeSelect').options[i] = new Option(grades[g], g);
		eid('SalaryGrade').value == g ? eid('SalaryGradeSelect').options[i++].selected = true : i++;
	}
	eid('SalaryStepSelect').options.length = 0;
	eid('SalaryStepSelect').options[j++] = new Option('---', '');
	for (var s in steps) {
		eid('SalaryStepSelect').options[j] = new Option(steps[s], s);			
		eid('SalaryStep').value == s ? eid('SalaryStepSelect').options[j++].selected = true : j++;
	}
}

/**
 * CFCO: calculate salary
 */
function calculateSalary ()
{
	if (!eid('SalaryType1'))
		return;
	eid('SalaryType1').checked ? 0 : eid('SalaryStep').value = '0';
	var key = eid('SalaryGrade').value + eid('SalaryStep').value;
	eid('Salary').value = salaries[key] > 0 ? salaries[key] : 0;
}

/**
 * toggle payroll deduction options visiblity
 */
function payrollVisibility ()
{
	// check if this is the pledge review page or payroll deduction is not an option
	if (eid('review') || !eid('PayrollTR'))
		return;
	// if payroll option is checked, show related elements
	if (systemAbbr != 'CCG' && eid('PledgeType1') && eid('PledgeType1').checked)
		return MSIE ? eid('PayrollTR').style.display = 'block' : eid('PayrollTR').style.visibility = 'visible';
	// payroll option is not checked, so make sure related elements are hidden
	MSIE ? eid('PayrollTR').style.display = 'none' : eid('PayrollTR').style.visibility = 'collapse';
	// and clear payroll office number, if present
	eid('PayrollOffice') ? eid('PayrollOffice').value = '' : false;
	// and clear SSN
	eid('SSN').value = '';
}

/**
 * toggle charity descriptions visibility
 *
 * @param object e = link object being clicked
 */
function toggleDescriptions (e)
{
	// are we hiding or showing the descriptions?
	var show = e.innerHTML == 'Show descriptions' ? true : false;
	// update text of link object
	e.innerHTML = show ? 'Hide descriptions' : 'Show descriptions';
	// copy list of charity codes to array
	var c = eid('Charities').value.split(',');
	// loop through charity codes, and update CSS class for each description span
	for (var i = 0; i < c.length; i++)
		eid('Description' + c[i]).className = show ? 'small' : 'nodisplay';
	
}

/**
 * update occurances (for recurring gifts, the number of occurances in a year)
 *
 * @returns boolean
 */
function updateOccurances ()
{
	// occurances for payroll or recurring credit card gift
	var o;
	// if this is the review form, we don't have to do any of the following
	if (eid('PledgeType1') || eid('PledgeType4')) {
		// if payroll deduction, set occurances to number of pay periods
		if (eid('PledgeType1') && eid('PledgeType1').checked && eid('PayPeriods').value != '')
			o = parseFloat(eid('PayPeriods').value);
		else if (eid('PledgeType1') && eid('PledgeType1').value == 'ePledge' && eid('PayPeriods').value != '')
			o = parseFloat(eid('PayPeriods').value);
		// if recurring credit card, set occurances to 12 (months in a year)
		else if (eid('PledgeType4') && eid('PledgeType4').checked)
			o = 12;
		else
			o = 1;
		// set occurances for field value
		eid('Occurances').value = o;
	}
	else
		o = eid('Occurances').value;
	// copy list of charity codes to array
	var c = eid('Charities').value.split(',');
	// loop through charity codes, and update multiplier displayed on each gift basket row
	for (var i = 0; i < c.length; i++)
		eid('Occurances' + c[i]).innerHTML = o;
	eid('OccurancesTotal').innerHTML = o;
	return calculate();
}

/**
 * validate new gift amount, and recalculate form if valid
 *
 * @param object e = form field element we're validating
 * @param string t = type of field ('p' = percentage, 't' = total)
 *
 * @returns boolean
 */
function newgift (e, t) 
{
	// if our pledge type is payroll or recurring credit card, we may need to indicate this later
	var per = '';
	if (eid('PledgeType1') && eid('PledgeType1').checked)
		per = ' per pay period';
	if (eid('PledgeType4') && eid('PledgeType4').checked)
		per = ' per month';
	// value not a number? reset to zero
	if (!validateNumber(e))
		v = 0;
	// parse the value as a float for performing calculations
	var v = parseFloat(e.value)
	// recurring gift may not be less than $1
	if (v != 0 && (v < 1 || (t == 't' && v / parseFloat(eid('Occurances').value) < 1))) {
		// if it is, reset to zero and display alert
		v = 0;
		alert('Minimum gift cannot be less than $1.00' + per + '! The amount has been reset to zero.');
	}
	// reformat value
	e.value = t == 'p' ? Math.floor(v) : v.toFixed(2);
	// set all calculated values on form
	return calculate(e, t);
}

/**
 * set all calculated values on form
 *
 * @param object e = form field element we're validating
 * @param string t = type of field ('p'=percentage, 't'=total)
 *
 * @returns boolean
 */
function calculate (e, t)
{
	// copy list of charity codes to array
	var c = eid('Charities').value.split(',');
	// initialize total fields
	var partTotal  = 0;
	var grandTotal = 0;
	var pctTotal   = 0;
	// parse occurances of recurring gifts as float to perform calculations
	var o = parseFloat(eid('Occurances').value);
	// set occurances to 1 if it's not currently set
	o = o > 0 ? o : 1;
	// if we've changed the percentage amount for a charity
	if (t == 'p') {
		// extract the charity code
		code = e.name.replace('Pct', '');
		// if this is the undesignated percentage amount, disallow update
		if (code == '99999')
			return die("When making percentage adjustments, remainders are applied to the Undesignated amount in order to keep the total percentage equal to 100% at all times.\n\nBecause of this, making adjustments to the undesignated percentage amount is disallowed.");
		// parse partial amount, perentage amount, partial total and current undeisgnated partial amount as float to perform calculations
		part = parseFloat(eval("eid('Part" + code + "').value"));
		pct = parseFloat(e.value) / 100;
		pt = parseFloat(eval("eid('PartTotal').value"));
		upart = parseFloat(eid('Part99999').value);
		// calculate the new partial amount for this charity
		npart = pt * pct;
		// calculate the difference between the new partial amount and old partial amount
		partdiff = part - npart;
		// apply the difference to the current undesignated partial amount
		upart += partdiff;
		// if undesignated partial amount would go less than zero, disallow update
		if (upart < 0)
			return die("Invalid percentage entered! Total exceeds 100%.\n\nWhen making percentage adjustments, remainders are applied to the Undesignated amount in order to keep the total percentage equal to 100% at all times.\n\nTo increase the percentage amount for this charity, try temporarily increasing your Undesignated dollar amount.");
		// calculate the new undeisgnated total
		utotal = upart * o;
		// set the new undesignated partial amount, reformatting to 2 decimals
		eid('Part99999').value = upart.toFixed(2);
		// set the new undesignated total amount, reformatting to 2 decimals
		eid('Total99999').value = utotal.toFixed(2);
		// set the new partial amount for this charity, reformatting to 2 decimals
		eval("eid('Part" + code + "').value = npart.toFixed(2)");
	}
	// loop through the rows on our form
	for (var i = 0; i < c.length; i++) {						
		// if we've changed the total amount for this charity, we need to update the partial amounts and percentage amounts
		if (t == 't') {
			// parse this total amount as float to perform calculations
			total = parseFloat(eval("eid('Total" + c[i] + "').value"));
			// if the field is blank, set the amount to zero
			if (isNaN(total)) total = 0;
			// calculate the partial amount for this charity
			part = total / o;
			// if there's a remainder, we need to recalculate the total for this charity
			if (total % o > 0) total = part.toFixed(2) * o;
			// add the partial amount to the partial grand total
			partTotal += part;
			// set the partial amount for this charity, reformatting to 2 decimals
			eval("eid('Part" + c[i] + "').value = part.toFixed(2)");
			// set the total amount for this charity, reformatting to 2 decimals
			eval("eid('Total" + c[i] + "').value = total.toFixed(2)");
			// add the total amount for this charity to the grand total
			grandTotal += total;
		}
		// if we've changed the partial or percentage amount, just update the totals right now
		else {
			// parse this part as float to perform calculations
			part = parseFloat(eval("eid('Part" + c[i] + "').value"));
			// if the field is blank, set the amount to zero
			if (isNaN(part)) part = 0;
			// otherwise calculate the total for this charity
			total = part * o;
			// add the amount to the partial grand total
			partTotal += part;
			// set the partial amount for this charity, reformatting to 2 decimals
			eval("eid('Part" + c[i] + "').value = part.toFixed(2)");
			// set the total amount for this charity, reformatting to 2 decimals
			eval("eid('Total" + c[i] + "').value = total.toFixed(2)");
			// add the total amount for this charity to the grand total
			grandTotal += total;
		}
	}
	// loop through the rows on our form again to calculate percentages
	for (var i = 0; i < c.length; i++) {
		// parse this total amount as float to perform calculations
		total = parseFloat(eval("eid('Total" + c[i] + "').value"));
		// if the field is blank, break out of this iteration
		if (isNaN(total)) total = 0;
		// calculcate the percentage of the grand total for this charity
		pct = total / grandTotal * 100;
		// add the amount to the percentage total
		pctTotal += pct;
		// if the percentage is not a number, set it to zero 
		if (isNaN(pct)) pct = 0;
		// set the percentage for this charity, reformatting to integer		
		eval("eid('Pct" + c[i] + "').value = Math.floor(pct)");
	}
	// set the partial total and grand total, reformatting to 2 decimals
	eid('PartTotal').value  = partTotal.toFixed(2);
	eid('GrandTotal').value = grandTotal.toFixed(2);
	// CFCO: calculate award earned, if any
	return calcAward();
}

/**
 * CFCO: Calculate award earned, if any
 *
 * @returns boolean
 */
function calcAward ()
{
	// only do this for CFCO
	if (CFC == '0995') {
		// shortcut to award radio buttons
		var a = document.GiftForm.AwardButton;
		// parse the grand total amount as float to perform calculations
		var t = parseFloat(eid('GrandTotal').value);
		// initialize a variable to say "no award has been earned"
		var i = -1;
		// unset award values and highlight styles so no award appears selected
		a[0].checked = a[1].checked = a[2].checked = a[3].checked = false;
		eid('A0').className = eid('A1').className = eid('A2').className = eid('A3').className = 'off';
		// calculate award
		t >= 2500             ? i = 3 : 0;
		t >= 1000 && t < 2500 ? i = 2 : 0;
		t >= 500  && t < 1000 ? i = 1 : 0;
		t >= 150  && t < 500  ? i = 0 : 0;
		// if an award has been earned, select and highlight the award on form
		if (i >= 0) {
			eid('A' + i).className = 'on';
			return a[i].checked = true;
		}
	}
	return false;
}

/**
 * CFCNCA: Check award when award icon clicked
 *
 * @returns boolean
 */
function checkAward (d)
{
	d === true ? eid('Award2').checked = true : eid('Award1').checked = true;
	return highlightAward();
}

/**
 * CFCNCA: Highlight selected award
 *
 * @returns boolean
 */
function highlightAward ()
{
	// only do this for CFCNCA
	if (CFC == '0990') {
		// unset award highlight styles so no award appears selected
		eid('A1').className = eid('A2').className = '';
		// highlight the appropriate award, if one is checked
		if (eid('Award1').checked)
			eid('A1').className = 'red';
		if (eid('Award2').checked)
			eid('A2').className = 'red';
		return true;
	}
	return false;
}

/**
 * CFCNCA: Display payroll partner alert
 *
 * If returning user decides to load their previous pledge and it was a payroll partner pledge,
 * we need to display relevant information
 *
 * @returns boolean
 */
function payrollPartnerAlert ()
{
	}