function validate() 
{
		if (bgbengineeringform.Name.value == '') 
	{
		alert('Please enter your Name.');		
		event.returnValue=false;
		return false;
	}
	if (bgbengineeringform.Address.value == '') 
	{
		alert('Please enter your Address.');
		event.returnValue=false;
		return false;
	}
	
	if (bgbengineeringform.PostCode.value == '') 
	{
		alert('Please enter your Post Code.');
		event.returnValue=false;
		return false;
	}
	
	if (bgbengineeringform.Telephone.value == '') 
	{
		alert('Please enter your Telephone number.');
		event.returnValue=false;
		return false;
	}
		if (bgbengineeringform.Email.value == '') 
	{
		alert('Please enter your Email address.');
		event.returnValue=false;
		return false;
	}
}