function validateForm()
{
	var error = "false";
	var msg = "";
	
	if(document.getElementById('txtName').value == 'Name')
	{
		msg += "Name is a required field\n";
		error = "true";
	}
	
	if(document.getElementById('txtSubject').value == 'Subject')
	{
		msg += "Subject is a required field\n";
		error = "true";
	}
	
	if(document.getElementById('txtMessage').value == 'Message')
	{
		msg += "Message is a required field\n";
		error = "true";
	}
	
	if(error == "true")
	{
		alert(msg);
		return false;
	}
	else
	{
		if(document.getElementById('txtEmail').value == 'Email')
		{
			document.getElementById('txtEmail').value = '';
		}
		if(document.getElementById('txtNumber').value == 'Number')
		{
			document.getElementById('txtNumber').value = '';
		}
		if(document.getElementById('txtAddress').value == 'Address')
		{
			document.getElementById('txtAddress').value = '';
		}
		return true;
	}
}