function validate() 
{
	if (frmEnquiry.name.value == '') 
	{
		alert('Please enter your full name.');		
		event.returnValue=false;
		return false;
	}
	if (frmEnquiry.address.value == '') 
	{
		alert('Please enter your full address.');		
		event.returnValue=false;
		return false;
	}
		if (frmEnquiry.email.value == '') 
	{
		alert('Please enter your email address.');		
		event.returnValue=false;
		return false;
	}	
	if (frmEnquiry.telephone.value == '') 
	{
		alert('Please enter your telephone number.');		
		event.returnValue=false;
		return false;
	}
	if (frmEnquiry.enquiry.options[0].selected)
	{
		alert('Please tell us the nature of your enquiry.');		
		event.returnValue=false;
		return false;
	}
	if (frmEnquiry.referral.options[0].selected)
	{
		alert('Please tell us how you found the website.');		
		event.returnValue=false;
		return false;
	}
}