function CheckForm(doc)  {
	var msg="";
	if (doc.title.value=="")   { msg=msg+"Your Title is missing..\n";  }
	if (doc.initials.value=="")   { msg=msg+"Your Initials are missing..\n";  }
	if (doc.surname.value=="")   { msg=msg+"Your Surname is missing..\n";  }
	if (doc.address.value=="")   { msg=msg+"Your Address is missing..\n";  }
	if (doc.towncity.value=="")   { msg=msg+"Your Town/City is missing..\n";  }
	if (doc.postzip.value=="")   { msg=msg+"Your Postal/ZIP code is missing..\n";  }
	if (doc.telno.value=="")   { msg=msg+"Your Contact Telephone Number is missing..\n";  }
	email=doc.email.value;
	if (email==""||((email.indexOf("@") == -1)||email.indexOf(".") == -1)) { msg=msg+"Your Email Address is either missing or in an invalid format...\n"; }
	if (msg!="")  { msg=msg+"\nPlease try again.";alert(msg); return false;}
	else  { doc.action="do_ownerenquiry.asp"; doc.submit(); }
	}