function requiredField(objString) {
   var str = objString.value;
   var str = str.replace(/^\s+|\s+$/, '');
  
   if (str.length == 0) {
      alert('This is a required field.');
      objString.value = '';
      objString.focus();      
      return false;
   }  
   
  if(isNaN(parseFloat(str))) {
 alert("This is not a number.");
      objString.value = '';
      objString.focus();      
      return false;
   }

}



function WAAddError(formElement,errorMsg,focusIt,stopIt)  {
  if (document.WAFV_Error)  {
	  document.WAFV_Error += "\n" + errorMsg;
  }
  else  {
    document.WAFV_Error = errorMsg;
  }
  if (!document.WAFV_InvalidArray)  {
    document.WAFV_InvalidArray = new Array();
  }
  document.WAFV_InvalidArray[document.WAFV_InvalidArray.length] = formElement;
  if (focusIt && !document.WAFV_Focus)  {
	document.WAFV_Focus = focusIt;
  }

  if (stopIt == 1)  {
	document.WAFV_Stop = true;
  }
  else if (stopIt == 2)  {
	formElement.WAFV_Continue = true;
  }
  else if (stopIt == 3)  {
	formElement.WAFV_Stop = true;
	formElement.WAFV_Continue = false;
  }
}

function WAValidateNM(formElement,errorMsg,minLength,maxLength,allowDecimals,roundDecimals,reformatDecimals,punctuationMarks,focusIt,stopIt,required)  {
  var isValid = true;
  var theThousand = punctuationMarks.charAt(0);
  var theDecimal = punctuationMarks.charAt(1);
  var theCheck = 11/10;
  var trueDecimal = (String(theCheck).charAt(1));
  var value = formElement.value;
  var decimalIndex = value.length;
  if (punctuationMarks.indexOf(trueDecimal)<0 && value.indexOf(trueDecimal)>=0)  {
    isValid = false;
  }
  if (value.lastIndexOf(theDecimal)>=0) {
    decimalIndex = value.lastIndexOf(theDecimal);
  }
  while (value.indexOf(theThousand)>=0)  {
    decimalIndex = value.length;
    if (value.lastIndexOf(theDecimal)>=0) {
      decimalIndex = value.lastIndexOf(theDecimal);
    }
    if ((decimalIndex-(value.lastIndexOf(theThousand)+1))%3 != 0)
      isValid = false;
    value = value.substring(0,value.lastIndexOf(theThousand)) + value.substring(value.lastIndexOf(theThousand)+1);
  }
  if (trueDecimal != theDecimal)  {
    while (value.indexOf(theDecimal)>=0)  {
      value = value.substring(0,value.indexOf(theDecimal)) + trueDecimal + value.substring(value.indexOf(theDecimal)+1);
    }
  }
  if ((!document.WAFV_Stop && !formElement.WAFV_Stop) && !(!required && value==""))  {
    for (var x=0; x<value.length; x++)  {
      if  (isNaN(parseInt(value.charAt(x))) && (value.charAt(x) != " " && value.charAt(x) != "," && value.charAt(x) != "."))  {
        isValid = false;
      }
    }
    if (value == "")  {
      isValid = false;
    }
    var oldVal = String(value);
    if (oldVal.indexOf(trueDecimal)>=0)  {
      while (oldVal.charAt(oldVal.length-1)=="0" || oldVal.charAt(oldVal.length-1) == trueDecimal) {
        if (oldVal.charAt(oldVal.length-1) == trueDecimal) {
          oldVal = oldVal.substring(0,oldVal.length-1);
          break;
        }
        else oldVal = oldVal.substring(0,oldVal.length-1);
      }
      if (oldVal.indexOf(trueDecimal)==0)
        oldVal = "0" + oldVal;
    }
    if (String(allowDecimals) !="" )  {
      if (String(value).indexOf(".") > 0 && ((String(value).indexOf(".") + allowDecimals + 2 <= String(value).length) || allowDecimals == 0))  {
        isValid = false;
      }
    }
    value = parseFloat(value);
    if (isNaN(value))  {
      isValid = false;
    }
    else if (String(value).length!=String(oldVal).length && String(oldVal).substring(String(value).length+1).search(/^\.?0*$/) == -1 ) {
	  isValid = false;
    }
    else if ((String(minLength) != "" && minLength > value) || (String(maxLength) != "" && maxLength < value)) {
      isValid = false;
    }
  }
  if (!isValid)  {
    WAAddError(formElement,errorMsg,focusIt,stopIt);
  }
  else  {
    if (value != "")  {
      if (roundDecimals != "")  {
        value = Math.round(value*roundDecimals)/roundDecimals;
      }
      if (reformatDecimals != "")  {
        value = String(value);
        if (value.indexOf(trueDecimal)<0)
          value += trueDecimal;
        if (value.indexOf(trueDecimal) < value.length - reformatDecimals)  {
          value = value.substring(0,value.indexOf(trueDecimal) + reformatDecimals + 1);
        }
        else  {
          while (value.indexOf(trueDecimal) > value.length - reformatDecimals - 1)  {
             value += "0";
          }
        }
      }
    }
    if (trueDecimal != theDecimal)  {
      value = String(value);
      while (value.indexOf(trueDecimal)>=0)  {
        value = value.substring(0,value.indexOf(trueDecimal)) + theDecimal + value.substring(value.indexOf(trueDecimal)+1);
      }
    }
    if (roundDecimals != "" || reformatDecimals != "")
      formElement.value = value;
  }
}
function WAAlertErrors(errorHead,errorFoot,setFocus,submitForm)  { 
  if (!document.WAFV_StopAlert)  { 
	  document.WAFV_StopAlert = true;
	  if (document.WAFV_InvalidArray)  {  
	    document.WAFV_Stop = true;
        var errorMsg = document.WAFV_Error;
	    if (errorHead!="")
		  errorMsg = errorHead + "\n" + errorMsg;
		if (errorFoot!="")
		  errorMsg += "\n" + errorFoot;
		document.MM_returnValue = false;
		if (document.WAFV_Error!="")
		  alert(errorMsg.replace(/&quot;/g,'"'));
		else if (submitForm)
		  submitForm.submit();
	    if (setFocus && document.WAFV_Focus)  {
		  document.tempFocus = document.WAFV_Focus;
          setTimeout("document.tempFocus.focus();setTimeout('document.WAFV_Stop = false;document.WAFV_StopAlert = false;',1)",1); 
        }
        else {
          document.WAFV_Stop = false;
          document.WAFV_StopAlert = false;
        }
        for (var x=0; x<document.WAFV_InvalidArray.length; x++)  {
	      document.WAFV_InvalidArray[x].WAFV_Stop = false;
	    }
	  }
	  else  {
        document.WAFV_Stop = false;
        document.WAFV_StopAlert = false;
	    if (submitForm)  {
	      submitForm.submit();
	    }
	    document.MM_returnValue = true;
	  }
      document.WAFV_Focus = false;
	  document.WAFV_Error = false;
	  document.WAFV_InvalidArray = false;
  }
}