function RouteWindow(frm) { config_id = "3226"; optfactor = "90"; speedprofile= "1"; language = "dutch"; country_start = "NL"; country_stop = "NL"; detailmap = "on"; bgcolor= "ffffff"; Postcode_Start = frm.postcode_start.value; Postcode_Stop = frm.postcode_stop.value; if (! /^\d\d\d\d[a-zA-Z][a-zA-Z]$/.test(Postcode_Start)) { alert("U heeft geen geldige postcode ingevoerd."); return false; } if (Postcode_Start.toUpperCase() == Postcode_Stop.toUpperCase()) { alert("Start- en vertrekpunt kunnen niet hetzelfde zijn."); return false; } newWindow = window.open("http://tools.locatienet.com/location/getroute.asp" + "?config_id=" + config_id + "&bgcolor=" + bgcolor + "&optfactor=" + optfactor + "&speedprofile=" + speedprofile + "&Language=" + language + "&country_start=" + country_start + "&country_stop=" + country_stop + "&Postcode_Start=" + Postcode_Start + "&Postcode_Stop=" + Postcode_Stop, "UwRoute","width=600,height=450,scrollbars=yes,status=yes,resizable=yes,toolbar=no"); }