function planRoute(c){var a=new String;a=c.adres.value;var b=new String;b=c.woonplaats.value;a=a.replace(" ","+");b=b.replace(" ","+");var e=new String;e=a+"+"+b;var d=new String;d="Sint-Adriaanstraat+109+3150+Haacht";window.open("http://maps.google.be/maps?f=d&hl=nl&geocode=&saddr="+e+"&daddr="+d)};