function CurrencyFormatted(amount)
{
	var i = parseFloat(amount);
	if(isNaN(i)) { i = 0.00; }
	var minus = '';
	if(i < 0) { minus = '-'; }
	i = Math.abs(i);
	i = parseInt((i + .005) * 100);
	i = i / 100;
	s = new String(i);
	if(s.indexOf('.') < 0) { s += '.00'; }
	if(s.indexOf('.') == (s.length - 2)) { s += '0'; }
	s = minus + s;
	return s;
}

function sayHello() {
	alert("Hello");
}

function validate(id) {

	var inputTotal = document.getElementById('tot_' + id);
	var inputRepay = document.getElementById('rep_' + id);	
			
	inputRepay.style.backgroundColor = '#ffdddd';				
	inputTotal.style.backgroundColor = '#ffdddd';			 
	
	// blank-out non-numeric illegal entries
	if((inputTotal.value*1)>0) { inputTotal.style.backgroundColor = '#ffffff'; }
		else {inputTotal.value="";}
		
	if((inputRepay.value*1)>0) { inputRepay.style.backgroundColor = '#ffffff'; }
		else {inputRepay.value="";}		
		
	if ((inputTotal.value+inputRepay.value)==0) {
	inputTotal.value='';
	inputRepay.value='';
	inputTotal.style.backgroundColor = '#ffffff';
	inputRepay.style.backgroundColor = '#ffffff';
	}	
	
	DoCalc();
}

function round(num) {
	return Math.round(num * 100) / 100;
}
function DoCalc() {
	var SubPrimeRate = 0.079; 
	var PrimeRate = 0.079;
	var TotalOwed = 0;
	var TotalRepayment = 0;
	for (i=1;i<document.consolidator.length;i++) {
		if (document.consolidator.elements[i].name.substring(0,4) == 'tot_') {
			if (document.consolidator.elements[i].value) {
				TotalOwed = TotalOwed + eval(document.consolidator.elements[i].value);
			} 
		}
		if (document.consolidator.elements[i].name.substring(0,4) == 'rep_') {
			if (document.consolidator.elements[i].value) {
				TotalRepayment = TotalRepayment + eval(document.consolidator.elements[i].value);
			}
		}

	}
	RepaymentMonths = (document.consolidator.period.value);
	document.consolidator.CalcTotalOwed.value = TotalOwed;
	document.consolidator.amount.value = TotalOwed;
	document.consolidator.CalcTotalRepayments.value = TotalRepayment;
	NewTotalRepayment = CurrencyFormatted((TotalOwed * Math.pow(eval(1 + PrimeRate),document.consolidator.period.value/12))/(RepaymentMonths));

	//change message according to whether savings are possible
		document.getElementById("couldBePayingAmount").innerHTML = (TotalRepayment > 0)?("&pound;" + NewTotalRepayment):("");
		document.getElementById("couldBePaying").innerHTML = (TotalRepayment > 0)?("Your monthly repayments could be:"):("");
		document.getElementById("savingYou").innerHTML = (TotalRepayment - NewTotalRepayment > 0)?("A monthly saving of"):("Increase the repayment period for lower monthly payments");
		document.getElementById("savingYouAmount").innerHTML = (TotalRepayment - NewTotalRepayment > 0)?("&pound;" + CurrencyFormatted(TotalRepayment - NewTotalRepayment)):("");
		//alert(document.getElementById('couldBePaying').innerHTML);
	return false;
}


function getCurrentNumber() {
    return parseInt(document.forms["consolidator"].otherCount.value);
}

function incrementCurrent() {
	current = parseInt(document.forms["consolidator"].otherCount.value);
	document.forms["consolidator"].otherCount.value = current + 1;
}
function addRow() {
	var rowIndex = getCurrentNumber() + 1;
	var theTable = document.getElementById('AmountsTable');
	var newRow = document.createElement('TR');
	
	var newCell = document.createElement('TD');
	newCell.setAttribute("className", "consoleBodyText");
	newCell.setAttribute("class", "consoleBodyText"); //NS
	
	var newCell2 = document.createElement('TD');
	newCell2.setAttribute("className", "consoleBodyText");
	newCell2.setAttribute("class", "consoleBodyText"); //NS
	newCell2.innerHTML = "&pound;&nbsp;<INPUT type='text' name='tot_" + rowIndex 
		+ "' id='tot_" + rowIndex 
		+ "' size='8' maxlength='6' class='console' onBlur='validate(" + rowIndex + ");'>";

	var newCell3 = document.createElement('TD');
	newCell3.setAttribute("className", "consoleBodyText");
	newCell3.setAttribute("class", "consoleBodyText"); //NS
	newCell3.innerHTML = "&pound;&nbsp;<INPUT type='text' name='rep_" + rowIndex 
		+ "' id='rep_" + rowIndex 
		+ "' size='6' maxlength='4' class='console' onBlur='validate(" + rowIndex + ");'>";
	
	// add new table row to table
	newRow.appendChild(newCell);
	newRow.appendChild(newCell2);
	newRow.appendChild(newCell3);
	theTable.tBodies[0].appendChild(newRow);
	incrementCurrent();	
}

function checkDebtConsoleZero(console){

if(console.CalcTotalOwed.value == 0) 
{ 
	alert("Your total outstanding debt is zero!"); 
	return false;
}
else if (console.CalcTotalRepayments.value == 0)
{ 
	alert("Your total monthly repayment is zero!");
	return false;
}
else
{
	//validate entered amounts
	var inputTotal;
	var inputRepay;
	var inputsCount = getCurrentNumber();
	var loop;

	//loop through amounts
	for(loop = 1 ; loop <= inputsCount ; loop ++)
	{		
		inputTotal = document.getElementById('tot_' + loop);
		inputRepay = document.getElementById('rep_' + loop);
		
		//check colours of tabs
		if(inputTotal.value > 0)
		{
			if(inputRepay.value == "")
			{
				alert("You must provide a monthly repayment for each outstanding debt!");
				inputRepay.focus();
				return false;
			}
		}
		
		if(inputRepay.value > 0)
		{
			if(inputTotal.value == "")
			{
				alert("You must provide a monthly repayment for each outstanding debt!");
				inputTotal.focus();
				return false;
			}		
		}		
	}
	consolidator.submit();	
}
}