function validateForm() 
{

if (document.contactform.firstname.value == "")

{
	alert("Please enter your name...")
	document.contactform.firstname.focus()
	return(false)
}

if (document.contactform.surname.value == "")

{
	alert("Please enter your surname...")
	document.contactform.surname.focus()
	return(false)
}

if (document.contactform.phonenumber.value == "")

{
	alert("Please enter your contact number...")
	document.contactform.phonenumber.focus()
	return(false)
}

if (document.contactform.emailaddress.value == "")

{
	alert("Please enter your email address...")
	document.contactform.emailaddress.focus()
	return(false)
}

if (document.contactform.emailaddress.value.indexOf('@') < "1")

{
	alert("Please enter a correct e-mail address....")
	document.contactform.emailaddress.focus()
	return(false)
}

if (document.contactform.emailaddress.value.indexOf('.') < "2")

{
	alert("Please enter a correct e-mail address....")
	document.contactform.emailaddress.focus()
	return(false)
}

if (eval(document.contactform.emailaddress.value.indexOf('.')+2) > document.contactform.emailaddress.value.length)

{
	alert("Please enter a correct e-mail address....")
	document.contactform.emailaddress.focus()
	return(false)
}

if (document.contactform.commentsquestions.value == "")

{
	alert("Please enter a comment or question...")
	document.contactform.commentsquestions.focus()
	return(false)
}

if (document.contactform.securityCode.value == "")

{
	alert("Please enter the security code...")
	document.contactform.securityCode.focus()
	return(false)
}

}