function validate() 
{
	if (frmEnquiry.Name.value == '') 
	{
		alert('Please enter your full name.');		
		event.returnValue=false;
		return false;
	}
	if (frmEnquiry.Telephone.value == '') 
	{
		alert('Please enter your telephone number.');		
		event.returnValue=false;
		return false;
	}	
	if (frmEnquiry.Address.value == '') 
	{
		alert('Please enter your postal address.');		
		event.returnValue=false;
		return false;
	}
	if (frmEnquiry.Email.value == '') 
	{
		alert('Please enter your email address.');		
		event.returnValue=false;
		return false;
	}
	if (frmEnquiry.Area_of_interest.options[0].selected)
	{
		alert('Please tell us which service you are interested in.');		
		event.returnValue=false;
		return false;
	}
	if (frmEnquiry.Website_found_via.options[0].selected)
	{
		alert('Please tell us how you found the website.');		
		event.returnValue=false;
		return false;
	}
}