<!-- 


//Percentage and rent calculation
function isBlank(aString) {
	var lString=" ";
	var TempChar;
	var Count;
	var SpacesOnly = 0;
	if (aString.length == 0||aString==""||aString==null)	{
		return(true);
	}

	for (Count=0; Count < aString.length; Count++)	{
		if(aString.charAt(Count) != lString)	{
			return(false);
		}
	}
	
	return(true);
}

function isValid(field, fieldName) {
  var lValue = field.value;
  if(isNaN(field.value) || isBlank(field.value) ) {
		alert("Please enter a numeric value for the field : " + fieldName);
		field.value = "";
		field.focus();
		return false;
  }	

  return true;
}

function stripBad(string) {
  for (var i=0, output='', valid="eE+/*-0123456789.()"; i<string.length; i++)
	 if (valid.indexOf(string.charAt(i)) != -1)
		output += string.charAt(i);
  return output;
}


function calWeeklyRent(aForm) {
  if (isValid(aForm.rent, "Total monthly rent") && isValid(aForm.totalno, "No of person contributing")) {
		var nPerson = stripBad(aForm.totalno.value);
		var nMRent = stripBad(aForm.rent.value);
		
		var nYRent = nMRent * 12;   
		var nWRent = (nYRent/52);
		
		var nMPersonRent = (nMRent/nPerson);
		var nWPersonRent = (nWRent/nPerson);		
		
		aForm.mRent.value = nMPersonRent.toFixed(2);		
		aForm.wRent.value = nWPersonRent.toFixed(2);
  }
}

function check(ad) {
	var ch=ad.value;
	if(isNaN(ch))
	{
		var df=ch.substring(0,(ch.length-1));
		ad.value=df;
	}	
}

-->