function validForm(passform)
	{
	
		if(passform.txtfirstname.value=='') 
			{
			alert('Please enter your first name. ')
			passform.txtfirstname.focus()
			return false
			}

		if(passform.txtsurname.value=='')
			{
			alert('Please enter your surname. ')
			passform.txtsurname.focus()
			return false
			}
		
		if(passform.txtemail.value=='')
			{
			alert('Please enter your email address. ')
			passform.txtemail.focus()
			return false
			}
	}