var ns4=document.layers
	var ns6=document.getElementById&&!document.all
	var ie4=document.all
	var opr=navigator.userAgent.indexOf("Opera")


// Just to make sure value entered is numeric
function CheckEnteredValue(element) {
	var lField = ltrim(rtrim(String(element.value)));
    myReg=new RegExp("^[0-9]*\\.?[0-9]*$"); 
        if (!(myReg.test(lField) && lField!='.')) {
			alert("Please enter valid numerical data in all fields!");
			return false;
		}
	element.value=lField; 
	return true;
}


function rtrim(argvalue) {
  while (1) {
    if (argvalue.substring(argvalue.length - 1, argvalue.length) != " ")
      break;
    argvalue = argvalue.substring(0, argvalue.length - 1);
  }
  return argvalue;
}

function ltrim(argvalue) {
  while (1) {
    if (argvalue.substring(0, 1) != " ")
      break;
    argvalue = argvalue.substring(1, argvalue.length);
  }
    return argvalue;
}

 function trim(str)
{
     return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
}  

function count(form) 
{
//var tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8, tmp9, tmp10, tmp11
  if ( trim(form.income.value) != "" &&  trim(form.other.value) != ""){
    tmp12 = Math.round(eval(form.income.value * 3.25) + eval(form.other.value));
    tmp13 = Math.round(eval(form.income.value * 2.75) + eval(form.other.value * 2.75));
	   //choose the greater of the two
      if (tmp12>tmp13) {
      form.amount.value = tmp12
      }
      else {
      form.amount.value = tmp13
      }
    }
else
	{
		alert("Please enter valid numerical data in all fields!");
		return false;
	}
}


function Morgcal()
{
	form = document.myform;
	LoanAmount = form.LoanAmount.value;
	AnnualInterestRate = (form.InterestRate.value)/100;
	Years = (form.NumberOfYears.value)/1;

	c3 = LoanAmount/12;
	c4 = AnnualInterestRate;
//THE FOLLOWING 2 LINES BREAK IT
	c5 = Math.pow((c4+1),Years);
	c6 = Math.pow((c4+1),Years)-1;

	MonthRate = AnnualInterestRate/12;
	NumPayments = Years*12;
	MonthPaymentRepay = c3*(c4*(c5/c6));
	MonthPaymentIO = (LoanAmount*AnnualInterestRate)/12;

	form.NumberOfPayments.value = NumPayments;
	form.MonthlyPayment.value = MonthPaymentRepay.toFixed (2);
	form.MonthlyPayment2.value = MonthPaymentIO.toFixed (2);
}




//FUNCTION TO SHOW and HIDE
function toggle(targetshow,targethide){
  if (ie4){
  	target = document.all(targetshow);
	hidetarget = document.all(targethide);
  			target.style.display = "";
  			hidetarget.style.display = "none";
  }
}