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 validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function isSelected(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Please select a(n) "' + fieldLabel + '" from the drop down list.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset)
{
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)
		{
			result = false;
			break;
		}
	
	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 a complete email address in the form: yourname@yourdomain.com");
		formField.focus();
		result = false;
	}
   
  return result;

}

function validNum(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		if (!allDigits(formField.value))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}

function validZip(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		if (!allDigits(formField.value))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	
	if (result)
 	{
 		if (formField.value.length != 5)
 		{
 			alert('Please enter a valid ' + fieldLabel);
			formField.focus();		
			result = false;
		}
	}
}
	
	return result;
}


function validInt(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var num = parseInt(formField.value,10);
 		if (isNaN(num))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validDate(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var elems = formField.value.split("/");
 		
 		result = (elems.length == 3); // should be three components
 		
 		if (result)
 		{
 			var month = parseInt(elems[0],10);
  			var day = parseInt(elems[1],10);
 			var year = parseInt(elems[2],10);
			result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
					 allDigits(elems[1]) && (day > 0) && (day < 32) &&
					 allDigits(elems[2]) && ((elems[2].length == 2) || (elems[2].length == 4));
 		}
 		
  		if (!result)
 		{
 			alert('Please enter a date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
			formField.focus();		
		}
	} 
	
	return result;
}

function isChecked(formField) {
	//var theElements = getElementById("input")
	if (formField.length > 0) {
		for (var i = 0; i < formField.length; i++) {
  		if (formField[i].checked) {
  			return true;
  		}
  	}
	}else{
		if (formField.checked) {
  		return true;
  	}
	}
}

///////////////////////////////////////////////////// FORM VALIDATION /////////////////////////////////////////////////////
  function validateContactForm(theForm)
  {
  	// Customize these calls for your form
  	var num = 0;
  
  	// Start ------->
  	if (!validRequired(theForm.firstname,"First Name",true) && inValidCharSet(theForm.firstname,"First Name",true))
  		return false;
  		
  	if (!validEmail(theForm.email,"Email",true))
  		return false;
		
  	if (!validRequired(theForm.comment,"Comment",true))
  		return false;
  	// <--------- End
  	
  	return true;
  }
	
	 function validateNewsletterForm(theForm)
  {
  	// Customize these calls for your form
  	var num = 0;
  
  	// Start ------->
  	if (!validRequired(theForm.fname,"First Name",true))
  		return false;
			
		if (!validRequired(theForm.lname,"Last Name",true))
  		return false;
			
		if (!validEmail(theForm.email,"Email",true))
  		return false;
  	// <--------- End
  	
  	return true;
  }
	
	 function validateForm(theForm)
  {
  	// Customize these calls for your form
  	var num = 0;
  
  	// Start ------->
  	if (!validRequired(theForm.fname,"First Name",true) && inValidCharSet(theForm.fname,"First Name",true))
  		return false;
			
		if (!validRequired(theForm.lname,"Last Name",true) && inValidCharSet(theForm.lname,"Last Name",true))
  		return false;
			
		if (!validEmail(theForm.email,"Email",true))
  		return false;
  		
  	/*if (!validNum(theForm.phonearea,"Phone",true))
  		return false;
		
		if (!validNum(theForm.phone1,"Phone",true))
  		return false;
		
		if (!validNum(theForm.phone2,"Phone",true))
  		return false;*/
		
  	// <--------- End
  	
  	return true;
  }
	
	
	//////////////////////////////// Scholarship Form //////////////////////////////////
	function validateScholarshipForm(theForm)
  {
  	// Customize these calls for your form
  	var num = 0;
  
  	// Start ------->
  	if (!validRequired(theForm.firstname,"First Name",true) && inValidCharSet(theForm.firstname,"First Name",true))
  		return false;
			
		if (!validRequired(theForm.lastname,"Last Name",true) && inValidCharSet(theForm.lastname,"Last Name",true))
  		return false;
  		
  	if (!validEmail(theForm.email,"Email",true))
  		return false;
		
  	if (!validInt(theForm.studentid,'Student ID',true))
			return false;
			
		if (!validInt(theForm.mailbox,"Mailbox",true))
			return false;
			
		if (!validRequired(theForm.major,"Major",true) && inValidCharSet(theForm.major,"Major",true))
  		return false;
			
		if (!isSelected(theForm.classyear,"Class Year"))
			return false;
			
		if (!isSelected(theForm.yeargraduate,"Year of Graduation"))
			return false;
			
		if (!validInt(theForm.studentloanstd,"Student Loans to Date",true))
			return false;
			
		if (!validInt(theForm.overallgpa,"Overall GPA",true))
			return false;
		
		if (!validInt(theForm.fallgpa,"Fall GPA",true))
			return false;
			
		if (!validInt(theForm.fallnumcredits,"Fall # Credits",true))
			return false;
			
		if (!validInt(theForm.springgpa,"Spring GPA",true))
			return false;
		
		if (!validInt(theForm.springnumcredits,"Spring # Credits",true))
			return false;
			
		if (!isSelected(theForm.applylad,"Apply for LAD Scholarship?"))
			return false;
			
		if (theForm.applylad.value == "yes")
			if (!validRequired(theForm.ladessay,"LAD Essay", true))
				return false;
		
		if (!validRequired(theForm.antispam,"Anti-spam Question",true) && inValidCharSet(theForm.antispam,"Anti-spam Question",true))
			return false;
			
  	// <--------- End
		
		return true;
	  	
  }