function GetForm()
{
thisForm = document.forms[0]
if (document.forms.length > 1)
{thisForm = document.forms[1]}
return thisForm
}

function GetParamNameAndValue(sGet) 
{
thisForm = GetForm()
var sParam = thisForm.Query_String.value
var sName = "" 
if (sParam == "" || sGet == "") { return "" }
sParam = sParam + "&" 
sName = "&" + sGet + "="
var nA = sParam.indexOf(sName)
var nB = -1
if ( nA > -1) {
  nB = sParam.indexOf("&", nA+4)
  return sParam.substring(nA,nB)
 }
else {return ""}
}

/*
function toForm(sForm) {
window.location.href="/COM.nsf/" + sForm  + "" 
return false }
*/

function toForm(sForm) 
{ 
var sLog = GetParamNameAndValue("LOG") 
var sPartner = GetParamNameAndValue("PARTNER") 
var sWeb = GetParamNameAndValue("WEB") 
var sText = sForm + "&"
var nA = sText.indexOf("&")
var nB = sText.lastIndexOf("&")
var sHref = "/COM.nsf/" + sText.substring(0,nA)
if (sForm.indexOf("&WEB=") > -1) {
  sWeb = ""
  }
sHref = sHref + sWeb + sLog + sPartner + sText.substring(nA,nB)
location.href= sHref
return false
}

function toUsp(sForm) 
{ 
var sLog = GetParamNameAndValue("LOG") 
var sPartner = GetParamNameAndValue("PARTNER") 
var sWeb = GetParamNameAndValue("WEB") 
var sHref = ""
if (sForm.indexOf("&WEB=") > -1) {
  sWeb = ""
  }
sHref = sForm+ sWeb + sLog + sPartner
location.href= sHref
return false
}


function validateLogin()
{
thisForm = GetForm()
if (thisForm.AccessTimeOut.value == "Y") {
var sLog = thisForm.Log.value
var sWeb = GetParamNameAndValue("WEB") 

alert("Access time out, please sign in again")
var LoginWindow = window.open("/COM.nsf/COMLoginAgain?OpenForm&" + sWeb + "LOG=" + sLog, "login", 
"width=600,height=500,left=" + ((screen.width - 600) / 2) + ",top=" + ((screen.height - 500) / 2) )
LoginWindow.focus()
}
else 
{
  if (thisForm.AccessTimeOut.value == "" &&
      thisForm.Log.value != "" ) {
  alert("Incorrect login parameter, please sign in again")
  location.replace("/COM.nsf/COMLogin?OpenForm" + sWeb)
  }
}
}

function validateNewOrg(myform)
{
if (myform.InputOrganisation.value == "") {
   alert("Please supply your organisation name.")
   return false}
if (myform.InputGeneral.value == "") {
   alert("Please supply the general information about your organisation.")
   return false}
if (myform.InputName_1.value == "") {
   alert("Please supply your main contact name.")
   return false}
if (myform.InputAddress_1.value == "") {
   alert("Please supply your main contact name.")
   return false}
if (myform.InputPostCode_1.value == "") {
   alert("Please supply your main contact postcode.")
   return false}
if (myform.InputAddress_2.value != "" &&
    myform.InputPostCode_2.value == "") {
   alert("Please supply your second contact postcode.")
   return false}
if (myform.InputAddress_3.value != "" &&
    myform.InputPostCode_3.value == "") {
   alert("Please supply your third contact postcode.")
   return false}
if (myform.DataProtectionDeclaration.checked == false) {
   alert("Please verify the information you supplied is correct and make sure that you are aware of the Data Protection Delaration.")
   return false}

myform.InputValidated.value = "Y"
}

/* this function is not used */
function goToPage(sUrl)
{
thisForm = GetForm()
if (thisForm.Log.value != "") {
    sUrl = sUrl + "&LOG=" + thisForm.Log.value }
location.href = sUrl
}


function LogParam()
{
thisForm = GetForm()
if (thisForm.Log.value == "") 
    { return "&LOG=AAAG1RAACAAAWDZABB" }
else 
    { return "&LOG=" + thisForm.Log.value }
}

function openWin(theUrl)
{
screenWidth = screen.width - 50;
screenHeight = screen.height - 200;
myWin=open(theUrl, "NewWin",    "width=" + screenWidth + ",height=" + screenHeight + ",top=0,left=0,scrollbars=yes,location=yes,resizable=yes,status=yes,toolbar=yes,menubar=yes");
myWin.focus();
} 

function goTo(theUrl)
{
alert("You are leaving Durham County Council web site");
openWin(theUrl);
}

function Upper(dataField)
{
dataField.value = dataField.value.toUpperCase()
}


function openGIS(Layer, Param)
{
thisForm = GetForm()
if (Layer.length<=1 || Param.length<=1 )
  {
  alert("Please enter data")
  return
  }

var siteURL="";
var showLocation="no";
var sServer = thisForm.Server_Name.value.toUpperCase();
if (sServer == "WEBDEV01a")
  {  siteURL="http://duch-2128/";
     showLocation="yes"; 
     siteURL= siteURL + "website/community/viewer.htm"; }
else 
  {  siteURL="http://gis.durham.gov.uk/" ; 
     siteURL= siteURL + "website/community/viewer.htm"; }

/*siteURL= siteURL + "website/community/viewer.htm"; */
/*siteURL= siteURL + "website/intermap/viewer.htm"; */
		
//Set the URL to zoom to a postcode.
var theURL = siteURL + "?QUERYLAYER=" + Layer + "&GISQUERY=" + Param;

//get screen resolution
var screenWidth = screen.width;
var screenHeight = screen.height;

//check resolution of user machine is OK for GIS
if (screenWidth < 640 || screenHeight < 480) 
  {
  alert("To use the Interactive Mapping Service, your screen resolution should be set to 640 x 480 or greater");
  } 
  else 
  {
  //set sizes for the GIS window, depending upon users screen resolution
  var windowWidth=screenWidth * 0.98;
  var windowHeight=screenHeight * 0.90;
		
  //open the GIS in a window
  myWin=open(theURL, "displaywindow", "width=" + windowWidth + ",height="+windowHeight+",top=0,left=0,resizable=no,status=no,toolbar=no,menubar=no,location="+showLocation); 
  myWin.focus();
  }	
}