// aimsClick.js
/*
*  JavaScript template file for ArcIMS HTML Viewer
*       dependent on aimsXML.js, ArcIMSparam.js, aimsCommon.js, aimsMap.js,
*       aimsLayers.js, aimsDHTML.js
*       aimsNavigation.js
*/

aimsClickPresent=true;
legendVisible=false;
layersVisible=false;

var onOVArea = false;

// Global vars to save mouse position
var mouseX=0;
var mouseY=0;
var x1=0;
var y1=0;
var x2=0;
var y2=0;
var zleft=0;
var zright=0;
var ztop=0;
var zbottom=0;

var totalMeasure=0;
var currentMeasure=0;
var lastTotMeasure=0;

// variables for interactive clicks
var clickCount = 0;
var clickPointX = new Array();
var clickPointY = new Array();
var clickMeasure = new Array();
    // type - 1=Measure; 2=SelectLine ; 3=SelectPolygon
var clickType = 1;

var shapeSelectBuffer = false;

var panning=false;
var zooming=false;
var selectBox=false;
var blankImage = "images/map.gif";

var leftButton =1;
var rightButton = 2;
if (isNav) {
    leftButton = 1;
    rightButton = 3;
}


/*  *****************************************************
*   Point click functions
*   used by Measure and Select by Line/Polygon
*   *****************************************************
*/

// put a point at click and add to clickCount
function clickAddPoint() {
    var theX = mouseX;
    var theY = mouseY;
    getMapXY(theX,theY);
    clickPointX[clickCount]=mapX;
    clickPointY[clickCount]=mapY;
    clickCount += 1;
    selectCount=0;
    totalMeasure = totalMeasure + currentMeasure;
        //var u = Math.pow(10,numDecimals);
        //if (totalMeasure!=0) totalMeasure = parseInt(totalMeasure*u+0.5)/u;

    clickMeasure[clickCount]=totalMeasure;
    legendTemp=legendVisible;
    legendVisible=false;
    layersVisible=false;
    var theString = writeXML();
    var theNum = 99;
    sendToServer(imsURL,theString,theNum);

}

// zero out all clicks in clickCount
function resetClick() {
    var c1 = clickCount;
    clickCount=0;
    clickPointX.length=1;
    clickPointY.length=1;
    currentMeasure=0;
    totalMeasure=0;
    lastTotMeasure=0;
    clickMeasure.length=1;
    selectCount=0;

    legendTemp=legendVisible;
    legendVisible=false;
    layersVisible=false;
    var theString = writeXML();
    var theNum = 99;
        //showRetrieveMap();
    sendToServer(imsURL,theString,theNum);

    if (toolMode==20) updateMeasureBox();

}

// remove last click from clickCount
function deleteClick() {
    var c1 = clickCount;
    clickCount=clickCount-1;
    selectCount=0;
    if (clickCount<0) clickCount=0;
    if (clickCount>0) {
        totalMeasure = clickMeasure[clickCount]
        clickPointX.length=clickCount;
        clickPointY.length=clickCount;
        clickMeasure.length=clickCount;

    } else {
        totalMeasure=0;
        clickMeasure[0]=0;
    }
    currentMeasure=0;
    if (c1>0) {
        legendTemp=legendVisible;
        legendVisible=false;
        layersVisible=false;
        var theString = writeXML();
        var theNum = 99;
        sendToServer(imsURL,theString,theNum);
    }

}

//keep track of currently selected tool, and display it to user
// set the imsMap cursor tool
function clickFunction (toolName) {
    if (hasLayer("measureBox"))
        hideLayer("measureBox");

    // Added by CAT - reset the tools in the header to 0 - the user will click again to activate a tool.
    if ((toolName == "zoomin") || (toolName == "zoomout") || (toolName == "fullextent") || (toolName == "pan"))
       parent.TitleFrame.resetFunctionTool();

    currentSelectionState = 0;

    switch(toolName) {
    case "restart":
       top.window.location.reload();
       break

    // Zooming functions
    case "zoomin":
        // zoom in mode
        toolMode = 1;
        panning=false;
        selectBox=false;
        if (isIE)   {
            document.all.theTop.style.cursor = "crosshair";
            theCursor = document.all.theTop.style.cursor;
        }
        modeBlurb = modeList[0];
        //if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        break
    case "zoomout":
        // zoom out mode
        toolMode = 2;
        panning=false;
        selectBox=false;
        if (isIE)   {
            document.all.theTop.style.cursor = "crosshair";
            theCursor = document.all.theTop.style.cursor;
        }
        modeBlurb = modeList[1];
        //if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        break
    case "zoomlast":
        zoomBack();
        panning=false;
        zooming=false;
        selectBox=false;
        break
    case "zoomactive":
        //alert(LayerExtent[ActiveLayerIndex]);
        var q = LayerExtent[ActiveLayerIndex].split("|");
        panning=false;
        zooming=false;
        selectBox=false;
        //zoomToEnvelope(parseFloat(q[0]),parseFloat(q[1]),parseFloat(q[2]),parseFloat(q[3]));

        var l = parseFloat(setDecimalString(q[0]));
        var b = parseFloat(setDecimalString(q[1]));
        var r = parseFloat(setDecimalString(q[2]));
        var t = parseFloat(setDecimalString(q[3]));
        var w = r-l;
        var h = t-b;
        // add a bit of a margin around the layer
        var wm = w * (5/100);
        var hm = h * (5/100);
        l = l - wm;
        r = r + wm;
        b = b - hm;
        t = t + hm;
        zoomToEnvelope(l,b,r,t);
        break
    case "fullextent":
        fullExtent();
        break

    // Pan functions
    case "pan":
        // pan mode
        toolMode = 3;

        zooming=false;
        selectBox=false;
        if (isIE)   {
            document.all.theTop.style.cursor = "move";
            theCursor = document.all.theTop.style.cursor;
        }
        modeBlurb = modeList[2];
        //if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        break

    //RESTART THE APPLICATION
    case "restart":
       top.window.location.reload();
           break

    // Identify-Hyperlink functions
    case "identify":
        // identify mode - layer attributes - requires aimsIdentify.js
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        aimsCSV = true;

        if (canQuery) {
            toolMode = 4;

            if (isIE)   {
                document.all.theTop.style.cursor = "crosshair";
                theCursor = document.all.theTop.style.cursor;
            }
            modeBlurb = modeList[3];
        } else {
            alert(msgList[46]);
        }
        //alert("Function Not Implemented");



        showGeocode=false;
        if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        hideLayer("measureBox");
        break

    case "identifyall":
        // identify drill mode
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        toolMode = 5;
        if (canQuery) {
            if (isIE)   {
                document.all.theTop.style.cursor = "crosshair";
                theCursor = document.all.theTop.style.cursor;
            }
            //modeBlurb = modeList[19]; // identify all
            modeBlurb = modeList[20]; // identify visible features
            //modeBlurb = modeList[3]; // identify
        } else {
            alert(msgList[46]);
        }
        //alert("Function Not Implemented");
        showGeocode=false;
        drawSelectBoundary=false;
        if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        hideLayer("measureBox");
        break
    case "hyperlink":
        // hyperlink mode - requires aimsIdentify.js
        var isOk = false;
        var j=-1;
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        toolMode = 15;
        modeBlurb = modeList[9];
        showGeocode=false;
        if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        hideLayer("measureBox");
        var isOk = checkHyperLinkLayer(ActiveLayerIndex)
        if (isOk) {
            if (canQuery) {


                if (isIE)   {
                    document.all.theTop.style.cursor = "crosshair";
                    theCursor = document.all.theTop.style.cursor;
                }

            } else {
                alert(msgList[46]);
            }
            //alert("Function Not Implemented");
        } else {
            currentHyperLinkLayer="";
            currentHyperLinkField="";
            alert(msgList[47]);

        }
        break

    case "hyperlinkany":
        // hyperlink mode - requires aimsIdentify.js
        var j=-1;
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        toolMode = 30;
        modeBlurb = modeList[9];
        showGeocode=false;
        if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        hideLayer("measureBox");
            if (canQuery) {


                if (isIE)   {
                    document.all.theTop.style.cursor = "crosshair";
                    theCursor = document.all.theTop.style.cursor;
                }

            } else {
                alert(msgList[46]);
            }
            //alert("Function Not Implemented");
        break

    // Measure-Unit function
    case "measure":
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        if (clickCount>0) {
            if (totalMeasure==0) resetClick();
        }
        toolMode = 20;
        if (isIE)   {
            document.all.theTop.style.cursor = "crosshair";
            theCursor = document.all.theTop.style.cursor;
        }
        modeBlurb = modeList[12];
        if (clickType==1) {
            //if (useTextFrame) parent.TextFrame.location= appDir + "measure.htm";
                showLayer("measureBox");
                updateMeasureBox();
        }
        showGeocode=false;
        break

    case "setunits":
        if (useTextFrame) {
            parent.TextFrame.location = "setUnits.htm";
        } else {
            window.open((appDir + "setUnits.htm"),"OptionWindow","width=575,height=120,scrollbars=yes,resizable=yes");
        }
        break

    // Graphic Selection functions
    case "shape":
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        toolMode = 21;
        if (isIE)   {
            document.all.theTop.style.cursor = "crosshair";
            theCursor = document.all.theTop.style.cursor;
        }

        modeBlurb = modeList[13];

        showGeocode=false;

        hideLayer("measureBox");
        break

    case "selectbox":
        panning=false;
        zooming=false;
        aimsCSV = true;
        // select mode - requires aimsSelect.js
        if (canQuery) {
            toolMode = 10;
            queryTool=0;
            clickCount=0;
            showBuffer=false;
            if (isIE)   {
                document.all.theTop.style.cursor = "crosshair";
                theCursor = document.all.theTop.style.cursor;
            }

            modeBlurb = modeList[4];
        } else {
            alert(msgList[46]);
        }
        //alert("Function Not Implemented");
        showGeocode=false;
        if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        hideLayer("measureBox");
        break

    case "selectpoint":
        panning=false;
        zooming=false;
        shapeSelectBuffer = false;
        // select mode - requires aimsSelect.js
        if (canQuery) {
            toolMode = 11;
            queryTool=0;
            clickCount=0;
             resetClick();
            if (isIE)   {
                document.all.theTop.style.cursor = "hand";
                theCursor = document.all.theTop.style.cursor;
            }

            modeBlurb = modeList[5];
        } else {
            alert(msgList[46]);
        }
        //alert("Function Not Implemented");
        showGeocode=false;
        showBuffer=false;
        hideLayer("measureBox");
        break

    case "selectline":
        panning=false;
        zooming=false;
        shapeSelectBuffer = false;
        aimsCSV = true;
        // select mode - requires aimsSelect.js
        if (canQuery) {
            toolMode = 12;
            queryTool=0;
            if (isIE)   {
                document.all.theTop.style.cursor = "crosshair";
                theCursor = document.all.theTop.style.cursor;
            }
            hideLayer("measureBox");
                Win1 = open("select.htm","QueryWindow","width=400,height=300,scrollbars=no,resizable=no");
            modeBlurb = modeList[6];
        } else {
            alert(msgList[46]);
        }
        showGeocode=false;
        showBuffer=false;
        break

    case "selectpoly":
        panning=false;
        zooming=false;
        shapeSelectBuffer = false;
        aimsCSV = true;
        // select mode - requires aimsSelect.js
        if (canQuery) {
            toolMode = 13;
            queryTool=0;
            if (isIE)   {
                document.all.theTop.style.cursor = "crosshair";
                theCursor = document.all.theTop.style.cursor;
            }
            hideLayer("measureBox");
            //if (useTextFrame) {
            //  parent.TextFrame.document.location= appDir + "selectpoly.htm";
            //} else {
                Win1 = open("selectpoly.htm","QueryWindow","width=575,height=150,scrollbars=yes,resizable=yes");
            //}
            modeBlurb = modeList[7];
        } else {
            alert(msgList[46]);
        }
        //alert("Function Not Implemented");
        showGeocode=false;
        showBuffer=false;
        break

    case "selectshape":
        panning=false;
        zooming=false;
        shapeSelectBuffer = false;
        // select mode - requires aimsSelect.js
        if (canQuery) {
            toolMode = 16;
            queryTool=0;
            if (isIE)   {
                document.all.theTop.style.cursor = "crosshair";
                theCursor = document.all.theTop.style.cursor;
            }
            hideLayer("measureBox");
            if (useTextFrame) {
                parent.TextFrame.document.location= appDir + "select.htm";
            } else {
                Win1 = open("select.htm","QueryWindow","width=400,height=250,scrollbars=no,resizable=yes");
            }
            modeBlurb = modeList[8];
        } else {
            alert(msgList[46]);
        }
        //alert("Function Not Implemented");
        showGeocode=false;
        showBuffer=false;
        break
    ///*
    case "buffershape":
        panning=false;
        zooming=false;

        // interactive shape buffer - not implemented
        if (canQuery) {
            toolMode = 17;
            //toolMode = 16;
            queryTool=0;
            shapeSelectBuffer = true;
            if (isIE)   {
                document.all.theTop.style.cursor = "crosshair";
                theCursor = document.all.theTop.style.cursor;
            }
            hideLayer("measureBox");
            if (useTextFrame) {
                parent.TextFrame.document.location= appDir + "shapeBuffer.htm";
            } else {
                Win1 = open("shapeBuffer.htm","QueryWindow","width=575,height=150,scrollbars=yes,resizable=yes");
            }
            modeBlurb = modeList[11];
        } else {
            alert(msgList[46]);
        }
        //alert("Function Not Implemented");
        showGeocode=false;
        showBuffer=false;
        break
        //*/
    // Geocode Function
    case "geocode":
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        aimsCSV = true;
        // geocode mode - requires aimsGeocode.js
        hideLayer("measureBox");
        modeBlurb = modeList[14];
        setupGeocode();
        //parent.TextFrame.document.location= appDir + "addmatch.htm";
        break

    // Query - Search - Find functions
    case "query":
        // query mode - requires aimsQuery.js
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        queryStartRecord=1;
        //toolMode=
        queryTool=51;
        if (canQuery) {
            LayerFields.length=1;
            LayerFieldType.length=1;
            LayerFieldCount=0;
            toolMode=8;
            modeBlurb=modeList[15];

            fieldIndex=0;
            setQueryString="";
            hideLayer("measureBox");
            queryForm();
        } else {
            alert(msgList[46]);
        }
        showGeocode=false;
        showBuffer=false;
        break

    case "storedquery":
        // storedquery mode - requires aimsQuery.js
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        queryStartRecord=1;
        queryTool=1;
        toolMode=51;
        modeBlurb="Search";
        if (canQuery) {
            toolMode=51;
            modeBlurb=modeList[16];
            fieldIndex=0;
            setQueryString="";
            hideLayer("measureBox");
            getStoredQueries();
        } else {
            alert(msgList[46]);
        }
        showGeocode=false;
        showBuffer=false;
        break

    case "find":
        //find
        toolMode=9;
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        queryStartRecord=1;
        queryTool=1;
        if (canQuery) {
            LayerFields.length=1;
            LayerFieldType.length=1;
            LayerFieldCount=0;

            fieldIndex=0;
            setQueryString="";
            hideLayer("measureBox");
            modeBlurb = modeList[17];
            findForm();
        } else {
            alert(msgList[46]);
        }
        showGeocode=false;
        showBuffer=false;
        break

    case "clearsel":
         clearSelection();
         break

    // Buffer function  -- the next 4 functions - unfortunately, we cannot have a case statement list... case "buff_dist", "abut_dir"
    case "buff_dist":
        //buffer - requires aimsBuffer.js
        writeBufferForm(toolName);
        break

    case "abut_dir":
        //buffer - requires aimsBuffer.js
        writeBufferForm(toolName);
        break

    case "abut_abut":
        //buffer - requires aimsBuffer.js
        writeBufferForm(toolName);
        break

    case "abut_abut_dist":
        //buffer - requires aimsBuffer.js
        writeBufferForm(toolName);
        break

    case "options":
        writeOptionForm();
        break

    // Print function
    case "print":
         printIt();
         break

    // custom modes
    case "dbidentify":
        legendVisible=false;
        layersVisible=false;
        panning=false;
        zooming=false;
        selectBox=false;
        shapeSelectBuffer = false;
        // identify mode - requires custom db query - not in basic
        if (canQuery) {
            toolMode = 40;
            if (isIE)   {
                document.all.theTop.style.cursor = "hand";
                theCursor = document.all.theTop.style.cursor;
            }

            modeBlurb = modeList[3];
        } else {
            alert(msgList[46]);
        }
        //alert("Function Not Implemented");

        showGeocode=false;
        // if (useTextFrame) parent.TextFrame.document.location= appDir + "text.htm";
        hideLayer("measureBox");
        break

    case "extract":
         extractIt();
         break

    case "legend":
        if (aimsLegendPresent) {
            if (imsURL!="") {
                layersVisible = false;
                if (hasTOC) {
                    if (legendVisible) {
                        legendVisible=false;
                        parent.TOCFrame.document.location=appDir+"toc.htm";
                    } else {
                        legendVisible=true;
                        getLegend();
                    }
                } else {
                    legendVisible=true;
                    getLegend();
                }
            } else {
                alert(msgList[45]);
            }
        } else {
            alert(msgList[50]);
        }
        break

    case "layerlist":
        //JB stop showing the LEGEND
        legendVisible=false;
        layersVisible=true;
                writeLayerListForm();
        break

    case "toggleDataWin":
            // Show the data window - if there is a currently selected feature.
            if (currentlySelectedFeatureID.length > 0) {
               legendVisible=false;
               layersVisible=false;
               var startRec = parent.MapFrame.queryStartRecord;
               var recordCnt = parent.MapFrame.currentSelectCount;
               var sendLimitedFeatureList = parent.MapFrame.limitFeatureIDsToRange(startRec - 1, (((startRec + maxFeaturesDisplayed) <= recordCnt) ? (startRec + maxFeaturesDisplayed - 1) : recordCnt));
               var featureString = 'select ' + dbFieldList + ' from ' + dbTableList + ' where ' + dbIDField + ' IN (' + sendLimitedFeatureList + ') order by ' + dbIDField;
               writeDBResponsePage (featureString);
            } else {
               alert ('Please select a feature to toggle the data window');
            }
            break

    case "about":
        // loads a new window to show information about the application
       var Win1 = window.open ('about.asp','Aboutwin','titlebar=No,toolbar=No,scrollbars=No,resizable=Yes,top=0,left=0,width=' + screenWidth/1.6 + ',height=' + screenHeight/1.8);
        break

    case "disclaimer":
        // loads a new window to show information about the application
        var Win1 = window.open ('http://www.yorkmaine.org/Default.aspx?tabid=100');
        //var Win1 = window.open ('arcimsInfo.htm','imsInfo','titlebar=No,toolbar=No,scrollbars=No,resizable=Yes,top=0,left=0,width=100,height=100);
        break

    case "addToSelect":
        currentSelectionState = 1;
        modeBlurb = "++ Select";
        break
    case  "removeFromSelect":
        currentSelectionState = 2;
        modeBlurb = "-- Select";
        break

    default:
        alert(msgList[51]);
    }
    modeName=modeBlurb;
    if (useModeFrame) {
        writeModeFrame(modeBlurb);
    } else if ((drawFloatingMode) && (modeLayerOn)) {
        writeModeLayers(modeBlurb);
    } else if ((modeRefreshMap) && (drawModeOnMap)) {
        //var theString = writeXML();
        sendMapXML();
    }
}

// check for mouseup
function chkMouseUp(e) {
    if ((toolMode == 1) && (zooming)) {
            stopZoomBox(e);

    }
    if ((toolMode == 2) && (zooming)) {
            stopZoomOutBox(e);
    }
    if ((toolMode == 3) && (panning)) {
            stopPan(e);

    }
    if ((toolMode == 10) && (selectBox)) {
            stopSelectBox(e);
    }

    return false;

}

// perform appropriate action with mapTool
function mapTool (e) {
    var theButton= 0;
    // get the button pushed... if right, ignore... let browser do the popup... it will anyway
    if (isNav) {
        theButton = e.which;
    } else {
        theButton =window.event.button;
    }
    if (theButton==leftButton) {
        getImageXY(e);
        if ((mouseX>=0) && (mouseX<iWidth) && (mouseY>=0) && (mouseY<iHeight)) {
            //if ((!isNav) || (!is5up)) {
            if ((hasOVMap) && (ovIsVisible) && (mouseX<i2Width+ovBoxSize) && (mouseY<i2Height) && (ovMapIsLayer)) {
                    //alert(mouseX + ", " + mouseY);
                    ovMapClick(mouseX,mouseY);

                    window.status = "On OV Map Area";
                //}
            } else {
                //alert(mouseX + "," + mouseY);
                //alert("Toolmode: " + toolMode);
                switch(toolMode) {
                case 1:
                        startZoomBox(e);
                        return false;
                        break

                case 2:
                        startZoomOutBox(e);
                        return false;
                        break
                case 3:
                        startPan(e);
                        return false;
                        break

                case 4:
                    identify(e);
                    break

                case 5:
                    // identify all
                    identifyAll(e);
                    break

                // custom modes
                /*
                  case 16:
                    //select shape
                    if (checkIfActiveLayerAvailable()) {
                        clickType=2;
                        clickAddPoint();
                        if (useTextFrame) {
                            if (parent.TextFrame.document.title!==modeList[8]) {
                                parent.TextFrame.document.location= appDir + "select.htm";
                            }
                        }
                    }
                    break
                case 7:
                    // proximity - requires custom proximity routine - not in default
                    proxCount=0;
                    proximitySearch(e);
                    break

                */
                case 10:
                    //select(e);
                        startSelectBox(e);
                        return false;
                        break
                case 11:
                    //select point
                    if (checkIfActiveLayerAvailable()) {
                        select(e);
                    }
                    break
                case 12:
                    //select line
                    if (checkIfActiveLayerAvailable()) {
                        clickType=2;
                        clickAddPoint();
                    }
                    break
                case 13:
                    //select polygon
                    if (checkIfActiveLayerAvailable()) {
                        clickType=3;
                        clickAddPoint();
                    }
                    break
                case 15:
                    // hyperlink
                    hyperLink(e);
                    break
                case 16:
                    //select shape
                    if (checkIfActiveLayerAvailable()) {
                        clickType=2;
                        clickAddPoint();
                        if (useTextFrame) {
                            if (parent.TextFrame.document.title!==modeList[8]) {
                                parent.TextFrame.document.location= appDir + "select.htm";
                            }
                        }
                    }
                    break
                    ///*
                case 17:
                    //buffer shape -
                    if (checkIfActiveLayerAvailable()) {
                        clickType=2;
                        clickAddPoint();
                        if (useTextFrame) {
                            if (parent.TextFrame.document.title!=modeList[11]) {
                                parent.TextFrame.document.location= appDir + "shapeBuffer.htm";
                            }
                        }
                    }
                    break
                    //*/
                case 20:
                    // measure
                    clickType=1;
                    clickAddPoint();
                    break
                case 21:
                    // shape
                    clickType=4;
                    clickAddPoint();
                    break
                case 30:
                    // hyperlink
                    hyperLinkAny(e);
                    break
                case 40:
                    // db identify - requires custom db query - not in default
                    if (aimsDBPresent) {
                        matchDBLinkLayer(dbLinkLayer);
                        dbIdentify(e);
                    }
                    break
                default:
                    if (toolMode>=1000) {
                        customMapTool(e);
                    }
                }
            }
        }
    }
}

// update measureBox layer
function updateMeasureBox() {
    if (isNav4) {
        var theForm = document.layers["measureBox"].document.forms[0];
    } else {
        //var theForm = document.measureBox.forms[0];
        var theForm = document.forms[0];
    }
    var j = 1;
    for (var i=0;i<sUnitList.length;i++) {
        if (ScaleBarUnits==sUnitList[i]) j=i;
    }
        var u = Math.pow(10,numDecimals);
        var tMeas = 0;
        if (totalMeasure!=0) tMeas = parseInt(totalMeasure*u+0.5)/u;
    theForm.theMeasTotal.value = tMeas + " " + unitList[j];
    theForm.theMeasSegment.value = currentMeasure + " " + unitList[j];
    showLayer("measureBox");

}