<script language="javascript">
function validateBridge(){
submitResult = false;
var BridgeID = document.getElementById('txtBridgeID');
var BridgeName = document.getElementById('txtBridgeName');
var RouteNo = document.getElementById('txtRouteNo');
var Subdistrict = document.getElementById('listSubdistric2');
var RouteName = document.getElementById('txtRouteName');
var Km = document.getElementById('txtKm');
var Year = document.getElementById('listYear');
var Btype = document.getElementById('listBtype');
var Surface = document.getElementById('listSurface');
var Blength = document.getElementById('txtBlength');
var Bwidth = document.getElementById('txtBwidth');
var LanesideNum = document.getElementById('listLanesideNum');
var LanesideWidth = document.getElementById('txtLanesideWidth');
var Sidewalk = document.getElementById('listSidewalk');
var SidewalkWidth = document.getElementById('txtSidewalkWidth');
var Railing = document.getElementById('listRailing');
var PierNum = document.getElementById('txtPierNum');
var PierSize = document.getElementById('txtPierSize');
var Bracing = document.getElementById('listBracing');
var Pilewall = document.getElementById('listPilewall');
var Foundation = document.getElementById('listFoundation');
var PileNum = document.getElementById('txtPileNum');
var PileSize = document.getElementById('txtPileSize');
var Pilecab = document.getElementById('listPilecab');