<!-- 

//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 CalculateBAC(aForm) {
	var lWeight = aForm.weight.value;
	var lGender = aForm.gender.selectedIndex;
	var lNoofdrink = aForm.ndrink.value
	var lBAC  = 0;
	
	if (isValid(aForm.weight, "Weight") && isValid(aForm.ndrink, "No. of Drinks")) {
		if (lGender == 0) {
			lBAC = (lNoofdrink * 13.7)/(lWeight * 1000 * 0.7) * 100;
		} else if (lGender == 1) {
			lBAC = (lNoofdrink * 13.7)/(lWeight * 1000 * 0.6) * 100;
		} else {
			alert("Select the gender");
			aForm.gender.focus();
			return false;
		}

		aForm.bacResult.value = "BAC(%) = " + lBAC.toFixed(4);
	}
}



-->