
<!--

function show2(){
if (!document.all&&!document.getElementById)
return
thelement=document.getElementById? document.getElementById("tick2"): document.all.tick2
var Digital=new Date()
var hours=Digital.getHours()
var minutes=Digital.getMinutes()
var seconds=Digital.getSeconds()
var dn="PM"
if (hours<12)
dn="AM"
if (hours>12)
hours=hours-12
if (hours==0)
hours=12
if (minutes<=9)
minutes="0"+minutes
if (seconds<=9)
seconds="0"+seconds
var ctime=hours+":"+minutes+":"+seconds+" "+dn
thelement.innerHTML=ctime
setTimeout("show2()",1000)
}
window.onload=show2
//-->

function rt_swapImage(i,s) {
document.getElementById(i).src = s;
// document.getElementById(i).width = w;
// document.getElementById(i).height = h;
}

	function checkNumber(input, minimumLevel, maximumLevel, msg) {
		
		msg = msg + " field has a problem with the data you entered. " + input.value;

		var str = input.value;
		for (var i = 0; i < str.length; i++) {
			var ch = str.substring( i, i + 1)
			if ((ch < "0" || "9" < ch) && ch != '.') {
				alert(msg);
				return false;
			}
		}

		var num = 0 + str
		if (num < minimumLevel || maximumLevel < num) {
			alert(msg + " must be in the range " + minimumLevel + " to " + maximumLevel);
			return false;
		}
		input.value = str;
		return true;
	}

	function valueCheck(input) {
		if (input.value != null && input.value.length != 0)
		{
			input.value = "" + eval(input.value);
		}
		formValues(input.form);
	}

	function formValues(form) {
		var amountRequired=form.amountRequired.value;
		var repaymentPeriod=form.repaymentPeriod.value;
		var interestRate=form.interestRate.value;

		if ((amountRequired == null || amountRequired.length == 0) ||
			(interestRate == null || interestRate.length == 0)) 
		{
			return;
		}

		if (!checkNumber(form.amountRequired, 1, 999999, "Amount Required") ||
			!checkNumber(form.interestRate, .001, 1000, "Interest Rate") ||
			!checkNumber(form.repaymentPeriod, 3, 30, "Repayment Period")) 
		{
			form.monthlyRepayment.value = "Invalid";
			return;
		}

		interestRate = interestRate / 100;
		var payment = ((amountRequired*interestRate)/12) * (1/(1-(Math.pow(1/(1+interestRate),repaymentPeriod))));
		form.amountToPayback.value = convertToPoundage(payment);
	}

	function convertToPoundage( amount ) {
		thisString = new String( amount );
		var i = thisString.indexOf('.');
		if (i != -1) {
			thisString = thisString.substr( 0, i+3 );
			if (thisString.length-i < 3)
				thisString = thisString + '0';
		}
		return thisString;
	}

	function clearForm(form) {
		form.amountRequired.value = "";
		form.repaymentPeriod.value = "";
		form.interestRate.value = "";
		form.amountToPayback = "";
	}