function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
	
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
  result = true;
  }

  return result;
}
/*---------------------------------------------------------------*/
function emailChar(email)
{
  var result = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";

	for (var i=0; i < email.length; i++) 
	{
    	var letter = email.charAt(i).toLowerCase();
	    if (validchars.indexOf(letter) != -1)		
	      continue;		
		result = false;
	    break;
  	}	

  return result;
}
//-----------------------------------------------
function validPhoneNumber(formField,fieldLabel,required)
{
  var result = true;
  var thestring = formField.value;  
//  var thenum = parseInt(formField.value);
  var digit = thestring.substring(0,2);
  
  if (required && !validRequired(formField,fieldLabel))
    result = false;
  
   if (result)
   {	    
	  
	  var validchars = "0123456789 ";
	  
	for (var i=0; i < thestring.length; i++) 
	{
    	var letter = thestring.charAt(i).toLowerCase();
	    if (validchars.indexOf(letter) != -1)		
	      continue;		
		  alert ('Phone numbers can only contain numbers');
		  formField.focus();
		result = false;
	    break;
  	}	
	  

	 
  }   
  return result;
}
//===============================================================================

function validRequired(formField,fieldLabel)
{
  var result = true;
  
  if (formField.value == "")
  {
    alert(' '+ fieldLabel +'');
    formField.focus();
    result = false;
  }
  
  return result;
}

//===============================================================================
function validEmail(formField,fieldLabel,required)
{
  var result = true;
  
  if (required && !validRequired(formField,fieldLabel))
    result = false;

  if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
  {
    alert("Please enter an email address in the form: yourname@yourdomain.com");
    formField.focus();
    result = false;
  }
  
	else if (result && ((formField.value.length < 3) || !emailChar(formField.value)) )
	{
		alert('That email address contains invalid characters.');
		formField.focus();
		result = false;
	}
   
  return result;
}



function activate_submit()
{

	if(document.lbBO.tscs.checked == true)
		document.lbBO.Submit.disabled = false;
	else		
		document.lbBO.Submit.disabled = true;	
	
}

//===============================================================================
function validateForm(theForm)
{
  // Customize these calls for your form

  // Start ------->
	
		if (!validRequired(theForm.email,"Please enter E-mail Address"))
    	return false;
	if (!validEmail(theForm.email,"Email Address",true))
		return false;



  	
  // <--------- End
  
  return true;
}