var defaultFName="First Name";
var defaultLName="Last Name";
var defaultFrom="Your eMail Address";

function checkEmailSubForm()
{	
	//Check the Sign Up Form
	
	if (document.getElementById('fname').value=="" || document.getElementById('fname').value==defaultFName)
	{
		alert('Please enter your first name');
		document.getElementById('fname').focus();
		return false;
	}
	
	else if (document.getElementById('lname').value=="" || document.getElementById('lname').value==defaultLName)
	{
		alert('Please enter your last name');
		document.getElementById('lname').focus();
		return false;	
	}	
	
	else if (document.getElementById('from').value=="" || document.getElementById('from').value==defaultFrom)
	{
		alert('Please enter your eMail');
		document.getElementById('from').focus();
		return false;	
	}	
}

function enterFNameField()
{	
	//This checks if the First Name field should be cleared when entered
	if (document.getElementById('fname').value==defaultFName) //The default
	{
		document.getElementById('fname').value=""
	}
}

function enterLNameField()
{	
	//This checks if the Lasy Name field should be cleared when entered
	if (document.getElementById('lname').value==defaultLName) //The default
	{
		document.getElementById('lname').value=""
	}
}

function enterFromField()
{

	//This checks if the Name field should be cleared when entered
	if (document.getElementById('from').value==defaultFrom) //The default
	{
		document.getElementById('from').value=""
	}
}

function exitFNameField()
{

	//If user exits test for blank field

	if (document.getElementById('fname').value=="") //The default
	{
		document.getElementById('fname').value=defaultFName
	}

}

function exitLNameField()
{

	//If user exits test for blank field

	if (document.getElementById('lname').value=="") //The default
	{
		document.getElementById('lname').value=defaultLName
	}

}

function exitFromField()
{

	//If user exits test for blank field

	if (document.getElementById('from').value=="") //The default
	{
		document.getElementById('from').value=defaultFrom
	}

}