function DisabledContinue()
	// set flag on form that indicates were changes on form
	{
			document.forms[0].PageStatusTxt.value="true";
	}
	
	function alertContinue(NextCode)
	// if no chnage sonform goes to the next step else ask before to go to next step
	{
		if (document.forms[0].PageStatusTxt.value=="true")
		{
			var answer = confirm("Are you sure you want to continue without saving?\n\n Changes will be lost if you exit without saving\n\n Press Ok to continue without saving, or Cancel to stay on the current page\n\n")
			if (answer)
				NextPlacementStep(NextCode);
		}
		else
			NextPlacementStep(NextCode);
	}


function validate_email(EmailAddress) {
	//alert("EmailAddress = " + EmailAddress);
    if(-1 == EmailAddress.indexOf("@")) { 
//       document.jsform.email.focus(); 
//       alert("Your email must have a '@'."); 
       return false; 
       }
    if(-1 != EmailAddress.indexOf(",")) { 
 //      document.jsform.email.focus(); 
//       alert("Your email must not have a ',' in it"); 
       return false; 
       }
    if(-1 != EmailAddress.indexOf("#")) { 
//       document.jsform.email.focus(); 
//       alert("Your email must not have an '#' in it." ); 
       return false; 
       }
    if(-1 != EmailAddress.indexOf("!")) { 
 //      document.jsform.email.focus(); 
 //      alert("Your email must not have a '!' in it." ); 
       return false; 
       }
    if(-1 != EmailAddress.indexOf(" ")) { 
 //      document.jsform.email.focus(); 
  //     alert("Your email must not have a space in it." ); 
       return false; 
       }
    if(EmailAddress.length == (EmailAddress.indexOf("@")+1) ) {
 //      document.jsform.email.focus();
  //     alert("Your email must have a domain name after the '@'.");
       return false;
       }

    if(EmailAddress.length == 0) { 
 //     document.jsform.email.focus(); 
 //     alert("Please enter your email."); 
      return false; 
      }

    return true;
  }


function isValidDate(dateStr) {
// Checks for the following valid date formats:
// MM/DD/YY   MM/DD/YYYY   MM-DD-YY   MM-DD-YYYY

var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/; // requires 4 digit year

var matchArray = dateStr.match(datePat); // is the format ok?
if (matchArray == null) {
//alert(dateStr + " Date is not in a valid format.")
return false;
}
month = matchArray[1]; // parse date into variables
day = matchArray[3];
year = matchArray[4];
if (month < 1 || month > 12) { // check month range
//alert("Month must be between 1 and 12.");
return false;
}
if (day < 1 || day > 31) {
//alert("Day must be between 1 and 31.");
return false;
}
if ((month==4 || month==6 || month==9 || month==11) && day==31) {
//alert("Month "+month+" doesn't have 31 days!")
return false;
}
if (month == 2) { // check for february 29th
var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
if (day>29 || (day==29 && !isleap)) {
//alert("February " + year + " doesn't have " + day + " days!");
return false;
   }
}
return true;
}

function chkNumeric(objName,addedValues)
{
	// Check field contains only numeric values
	// only allow 0-9 be entered, plus any values passed
	// (can be in any order, and don't have to be comma, period, or hyphen)
	// if all numbers allow commas, periods, hyphens or whatever,
	// just hard code it here and take out the passed parameters
	var checkOK = "0123456789" + addedValues;
	var checkStr = objName;
	var allValid = true;
	var decPoints = 0;
	var allNum = "";
	var j = 0;
	var i = 0;
	for (i = 0;  i < checkStr.length;  i++)
	{
		//alert(checkStr.charAt(i);
		ch = checkStr.charAt(i);
		for (j = 0;  j < checkOK.length;  j++)
		{
			if (ch == checkOK.charAt(j))
			break;
		}
			if (j == checkOK.length)
			{
				allValid = false;
				break;
			}
			if (ch != ",")
			allNum += ch;
	}
		return(allValid);
}	

function ValidateEmailFields(FieldsToValidate, FieldsToValidateLabels)
// Validate all the email fields are filled correct before to submit
{
	var allValid = true;
	var j = 0;
	var firstError=null;
	myRequiredFields=new Array;
	var messageTxt=null 
	myRequiredFieldsLabels=new Array;
	myRequiredFieldsLabels = GetsRequiredFieldIndexes(FieldsToValidateLabels);
	myRequiredFields = GetsRequiredFieldIndexes(FieldsToValidate);
//alert("FieldsToValidate= " + FieldsToValidate);
//alert("FieldsToValidateLabels= " + FieldsToValidateLabels);

	for (j = 0;  j < myRequiredFields.length;  j++)
	{
		if (document.forms[0][myRequiredFields[j]].value.length > 0)	
		{
			if (!(validate_email(document.forms[0][myRequiredFields[j]].value)))	
			{
				allValid=false;
				if (firstError==null) 
				{
					firstError=j;
					messageTxt = "The following invalid email field(s) were found on your form:\n\n" + myRequiredFieldsLabels[j]
				}
				else
					messageTxt = messageTxt + ", " + myRequiredFieldsLabels[j];
			}
		}
	}
	if (!(allValid))
	{
		document.forms[0][myRequiredFields[firstError]].focus();
		alert(messageTxt);
	}
	return allValid
}




function ValidateDateFields(FieldsToValidate, FieldsToValidateLabels)
// Validate all the date fields are filled correct before to submit
{
	var allValid = true;
	var j = 0;
	var firstError=null;
	myRequiredFields=new Array;
	var messageTxt=null 
	myRequiredFieldsLabels=new Array;
	myRequiredFieldsLabels = GetsRequiredFieldIndexes(FieldsToValidateLabels);
	myRequiredFields = GetsRequiredFieldIndexes(FieldsToValidate);
	for (j = 0;  j < myRequiredFields.length;  j++)
	{
		if (document.forms[0][myRequiredFields[j]].value.length > 0)	
		{
			if (!(isValidDate(document.forms[0][myRequiredFields[j]].value)))	
			{
				allValid=false;
				if (firstError==null) 
				{
					firstError=j;
					messageTxt = "The following invalid date field(s) were found on your form:\n\n" + myRequiredFieldsLabels[j]
				}
				else
					messageTxt = messageTxt + ", " + myRequiredFieldsLabels[j];
			}
		}
	}
	if (!(allValid))
	{
		document.forms[0][myRequiredFields[firstError]].focus();
		alert(messageTxt);
	}
	return allValid
}

function ValidateRequiredFields(FieldsToValidate, FieldsToValidateLabels)
// Validate all the required fields are filled before to submit
{
	var allValid = true;
	var j = 0;
	var firstError=null;
	myRequiredFields=new Array;
	var messageTxt=null 
	myRequiredFieldsLabels=new Array;
	myRequiredFieldsLabels = GetsRequiredFieldIndexes(FieldsToValidateLabels);
	myRequiredFields = GetsRequiredFieldIndexes(FieldsToValidate);

	for (j = 0;  j < myRequiredFields.length;  j++)
	{
		if (document.forms[0][myRequiredFields[j]].value.length <= 0)	
		{
			allValid=false;
			if (firstError==null) 
			{
				firstError=j;
				messageTxt = "The following required field(s) are missing:\n\n" + myRequiredFieldsLabels[j]
			}
			else
				messageTxt = messageTxt + ", " + myRequiredFieldsLabels[j];
		}
	}
	if (!(allValid))
	{
		document.forms[0][myRequiredFields[firstError]].focus();
		alert(messageTxt);
	}
	return allValid
}

function ValidateNumericFields(FieldsToValidate, FieldsToValidateLabels)
// Validate all the numeric fields are filled correct before to submit
{
	var allValid = true;
	var j = 0;
	var firstError=null;
	var messageTxt=null 
	myRequiredFields=new Array;
	myRequiredFieldsLabels=new Array;
	myRequiredFieldsLabels = GetsRequiredFieldIndexes(FieldsToValidateLabels);
	myRequiredFields = GetsRequiredFieldIndexes(FieldsToValidate);
	for (j = 0;  j < myRequiredFields.length;  j++)
	{
		if (!(chkNumeric(document.forms[0][myRequiredFields[j]].value,".")))	
		{
			allValid=false;
			if (firstError==null) 
			{
				firstError=j;
				messageTxt = "The following invalid numeric field(s) were found on your form:\n\n" + myRequiredFieldsLabels[j]
			}
			else
				messageTxt = messageTxt + ", " + myRequiredFieldsLabels[j];
		}
	}
	if (!(allValid))
	{
		document.forms[0][myRequiredFields[firstError]].focus();
		alert(messageTxt);
	}
	return allValid
}



function GetsRequiredFieldIndexes(FieldsToValidate)
{
//Gets the index numbers for all the required fields and insert on a array
	myRequiredFields=new Array;
	var i=0;
	var count=0;
	var j=0;
	for (j = 0;  j < FieldsToValidate.length;  j++)
	{
		if (FieldsToValidate.charAt(j)==",")
		{
			myRequiredFields[count]=FieldsToValidate.substring(i,j);
			count++;
			i=j+1;
		}
	}
	if (FieldsToValidate.length > 0)
		myRequiredFields[count]=FieldsToValidate.substring(i,FieldsToValidate.length);
	return myRequiredFields;
}