//This method will switch the plus to a minus and vice versa on the client side
function ChangePlusMinusText(PlusMinusCellID) {
    try {

        var PlusMinusCellObj = document.all(PlusMinusCellID);
        if (PlusMinusCellObj != null) {
            if (PlusMinusCellObj.innerHTML == "<A>[+]</A>") {
                PlusMinusCellObj.innerHTML = "<A>[-]</A>";

            }
            else {
                PlusMinusCellObj.innerHTML = "<A>[+]</A>";
            }
        }
    }
    catch (e) {
        alert("Error in ChangePlusMinusText Method: " + e);
    }
}

//After a postback occurs, this method will re-expand old data.
function ShowExpandedDivInfo(TextBoxIDOfExpandedDiv, DataGridID) {
    try {
        var DIVTB = document.all(TextBoxIDOfExpandedDiv);
        if (DIVTB != null) {
            var data = DIVTB.value;
            if (data != null && data.length > 0 && data != ",") {
                var SplitData = data.split(",");

                //Temp variables
                var SplitDataOfArrayItem = "";
                var DivIdentifier = "";
                var PlusMinusCellIdentifier = "";

                for (var i = 0; i < SplitData.length; i++) {
                    //Format of textbox data
                    //NameOfDIV + "@" + PlusMinusCellID
                    SplitDataOfArrayItem = SplitData[i].split("@");
                    //Get the ID of the DIV section
                    DivIdentifier = SplitDataOfArrayItem[0];
                    //Get the ID of the Cell with the Plus or Minus showing collapsed or expanded state.
                    PlusMinusCellIdentifier = SplitDataOfArrayItem[1];

                    if (DivIdentifier != null && DivIdentifier.length > 0) {
                        //Expand DIV Section
                        ShowPanel(DivIdentifier);
                    }

                    if (PlusMinusCellIdentifier != null && PlusMinusCellIdentifier.length > 0) {
                        var PlusMinusCellObj = document.all(PlusMinusCellIdentifier);
                        if (PlusMinusCellObj != null) {
                            //We found the cell to expand
                            PlusMinusCellObj.innerHTML = "<A>[-]</A>";
                        }
                        else {
                            //We DID NOT FIND the cell to expand
                            //May Have Been Lost After Postback.

                            //Invoke Method to get id of cell using partial data which will always
                            //be unique...
                            var NewPlusMinusCellObjID = getItem(PlusMinusCellIdentifier, DataGridID);

                            if (NewPlusMinusCellObjID != null) {
                                var NewCellObject = document.all(NewPlusMinusCellObjID);
                                if (NewCellObject != null) {
                                    var rows = NewCellObject.getElementsByTagName("td");
                                    if (rows != null && rows.length >= 0) {
                                        //the initial row has to be set to expanded....
                                        try {
                                            rows[0].innerHTML = "<A>[-]</A>";
                                        }
                                        catch (e) {
                                            //alert("Error in setting row to expanded in ShowExpandedDivInfo Method.  Error 101: " + e);
                                        }

                                    } //end of rows if statement
                                } //end of NewCellObject != null
                            } //end of NewPlusMinusCellObjID != null
                        } //end of PlusMinusCellObj != null if else
                    } //end of PlusMinusCellIdentifier != null
                } //end of for loop
            }
        }
    }
    catch (e) {
        alert("Error in ShowExpandedDivInfo Method: " + e);
    }
}

//This will keep the data in the hidden textbox field.
function SetExpandedDIVInfo(PlusMinusCellID, HiddenTextBoxToHoldDivInfo, DIVInfoID) {
    try {
        var IsExpanded = false;
        var HTBObj = document.all(HiddenTextBoxToHoldDivInfo);
        var HLObj = document.all(PlusMinusCellID);

        if (HLObj != null && HTBObj != null) {

            if (HLObj.innerHTML == "<A>[+]</A>") {
                IsExpanded = false;
            }
            else {
                IsExpanded = true;
            }

            //What is in the hidden DIV Textbox field?
            var ExpandedData = HTBObj.value;

            if (ExpandedData == null || ExpandedData == ",") {
                ExpandedData = "";
            }

            //===============================================================
            if (ExpandedData.length < 1 && IsExpanded == true) {
                //No Previous Expanded Data.  
                //Add new Expanded Field.
                ExpandedData = DIVInfoID + "@" + PlusMinusCellID;
                HTBObj.value = ExpandedData;
            }
            else if (ExpandedData.length < 1 && IsExpanded == false) {
                //No Previous Expanded Data.  
                //Clean up old Expanded Field. 
                //ExpandedData is empty, so no work is needed.
            }

            else if (ExpandedData.length > 0 && ExpandedData.indexOf(DIVInfoID) == -1 && IsExpanded == true) {
                //Expanded data has data from before.
                //No existing record exists for this field. 
                //We can add new Expanded field. 
                //We can use a comma as a delimeter.
                ExpandedData = ExpandedData + "," + DIVInfoID + "@" + PlusMinusCellID;
                ExpandedData = ExpandedData.replace(",,", ",");
                HTBObj.value = ExpandedData;
            }
            else if (ExpandedData.indexOf(DIVInfoID) > -1 && IsExpanded == true) {
                //Expanded data has data from before. 
                //Existing record exists for this field. 
                //We do not need to perform any updates.
            }
            else if (ExpandedData.indexOf(DIVInfoID) > -1 && IsExpanded == false) {
                //Expanded data has data from before.
                //Existing record exists for this field
                //We remove it as it is not expanded any longer.
                ExpandedData = ExpandedData.replace(DIVInfoID + "@" + PlusMinusCellID, "");

                //Make sure we don't have a double delimeter
                ExpandedData = ExpandedData.replace(",,", ",");
                HTBObj.value = ExpandedData;
            }
            else if (ExpandedData.indexOf(DIVInfoID) == -1 && IsExpanded == false) {
                //Expanded data has data from before.
                //Existing record does not exists for this field
                //No work is needed.
            }

            //Recheck we don't have any garbage data.
            //Added because deleting items, causes a comma
            //to stay sometimes.
            if (HTBObj != null && HTBObj.value == ",") {
                HTBObj.value = "";
            }
            //===============================================================
        }
    }
    catch (e) {
        alert("Error in SetExpandedDIVInfo Method: " + e);
    }
}

//This method will hide the panel.
function HidePanel(Panel) {
    try {
        var ChosenPanel = document.all(Panel);
        if (ChosenPanel != null) {
            document.all(Panel).style.display = "none";
        }
    }
    catch (e) {
        alert("Error in HidePanel Method: " + e);
    }
}

//This method will show the panel.	
function ShowPanel(Panel) {
    try {
        var ChosenPanel = document.all(Panel);
        if (ChosenPanel != null) {
            document.all(Panel).style.display = "block";
        }
    }
    catch (e) {
        alert("Error in ShowPanel Method: " + e);
    }
}

//This method will hide and show the panel.	
function HideShowPanel(Panel) {
    try {
        var ChosenPanel = document.all(Panel);
        if (ChosenPanel != null) {
            var currentdisplay = document.all(Panel).style.display;
            if (currentdisplay != "block") {
                document.all(Panel).style.display = "block";
            }
            else {
                document.all(Panel).style.display = "none";
            }
        }
    }
    catch (e) {
        alert("Error in HideShowPanel Method: " + e);
    }
}

//This method will get the object using partial id match.
function getItem(IDSearchCriteria, DataGridID) {
    try {
        if (IDSearchCriteria == null || IDSearchCriteria.length <= 0) {
            return null;
        }
        else if (DataGridID == null || DataGridID.length <= 0) {
            return null;
        }

        if (document.getElementsByTagName) {
            var table = document.getElementById(DataGridID);
            if (table != null) {
                var rows = table.getElementsByTagName("tr");
                for (var i = 0; i < rows.length; i++) {
                    var Identity = rows[i].id;

                    if (Identity != null && Identity.length > 0) {

                        var cellid = IDSearchCriteria.substring(IDSearchCriteria.lastIndexOf("_") + 1);
                        if (Identity.match(cellid)) {
                            //alert("Found: " + Identity);
                            return Identity;
                        }

                    }
                }
            }
            return null;
        }
        else {
            return null;
        }
    }
    catch (e) {
        alert("Error in getItem Method: " + e);
        return null;
    }
}