strongDave MacLean/strong is a software engineer and architect living and working in Jacksonville, Florida. Since 1980, he has programmed in many languages, developing solutions ranging from robot automation systems to data warehousing, from web self-service applications to electronic data interchange transaction processors. Dave has worked for Sun Microsystems, IBM, Trimble Navigation, General Motors, and several small companies. He graduated from the University of Waterloo in Canada with a degree in systems design engineering. Visit his blog at a href="http://davemac327.blogspot.com"http://davemac327.blogspot.com/a or contact him at a href="mailto:davemac327@gmail.com"davemac327@gmail.com/a.