var GradeMappingsNumericValue;
var GradeMappingsPositiveValue;
var GradeMappingsPercentRange;
var GradeMappingsWeightRange;
var GradeMappingsDuplicateGradeValue;
var GradeMappingsImagePath;

// style webpart titles until removal
function styleWebPartHeaders() {
    if (document.getElementById("mainLeft")) {
        var theCells = document.getElementById("mainLeft").getElementsByTagName("td");
        for (i = 0; i < theCells.length; i++) {
            if (theCells[i].id.indexOf("WebPartTitle_gwp") > -1) {
                theCells[i].className = "webPartTitle";
            }
        }
    }
    if (document.getElementById("mainRight")) {
        theCells = document.getElementById("mainRight").getElementsByTagName("td");
        for (i = 0; i < theCells.length; i++) {
            if (theCells[i].id.indexOf("WebPartTitle_gwp") > -1) {
                theCells[i].className = "webPartTitle";
            }
        }
    }
}

//		//temp save button pos on grade mapping
//		function positionSaveButton(el) {
//			findPosX("vertNavAllLink")
//			findPosY("vertNavAllLink")
//		}

// support multiple load events on a page
function addLoadEvent(func) {
    var oldOnLoad = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    }
    else {
        window.onload = function() {
            if (oldOnLoad) {
                oldOnLoad();
            }
            func();
        }
    }
}
addLoadEvent(styleWebPartHeaders);
addLoadEvent(editableTextBoxes);
/* alternate call method
addLoadEvent(function() {
//more code to run on page load
});
*/


//******************************************************************
// find position of HTML element on a page
//******************************************************************
// X coords
function findPosX(obj) {
    var curleft = 0;
    if (obj.offsetParent)
        while (1) {
        curleft += obj.offsetLeft;
        if (!obj.offsetParent)
            break;
        obj = obj.offsetParent;
    }
    else if (obj.x)
        curleft += obj.x;
    return curleft;
}
// X coords
function findPosY(obj) {
    var curtop = 0;
    if (obj.offsetParent)
        while (1) {
        curtop += obj.offsetTop;
        if (!obj.offsetParent)
            break;
        obj = obj.offsetParent;
    }
    else if (obj.y)
        curtop += obj.y;
    return curtop;
}

// show/hide class list menu
function menuShowHide(el) {
    var menuStyle = document.getElementById(el).style;
    if (menuStyle.display == "block")
        menuStyle.display = "none";
    else {
        if (navigator.userAgent.indexOf("MSIE")) {
            menuStyle.top = "225";
        }
        menuStyle.display = "block";
    }
}

// Course Setup Activity Page Scripts
function editableTextBoxes() {
    if (!document.getElementById("editTable")) {
        return;
    }
    var textInputs = document.getElementById("editTable").getElementsByTagName("input");

    for (i = 0; i < textInputs.length; i++) {
        if (textInputs[i].type == "text") {
            textInputs[i].onfocus = function() { this.className = "txtFieldEditable"; }
            textInputs[i].onblur = function() { this.className = "txtField"; }
            textInputs[i].onclick = function() { this.className = "txtFieldEditable"; this.select(); }
        }
    }
}

// Show Alert
function showAlert(oDiv, txtBox, msgType) {
	var sAlertMsg = msgType;
	var objDiv = document.createElement("div");
	var objImg = document.createElement("img");
		
	switch (sAlertMsg) {
		case "numericValue":
			sAlertMsg = GradeMappingsNumericValue;
			break;
		case "positiveValue":
			sAlertMsg = GradeMappingsPositiveValue;
			break;
		case "percentRange":
			sAlertMsg = GradeMappingsPercentRange;
			break;
		case "weightRange":
			sAlertMsg = GradeMappingsWeightRange;
			break;
		case "duplicateGradeValue":
			sAlertMsg = GradeMappingsDuplicateGradeValue;
			break;
	}
	var objTxt = document.createTextNode(sAlertMsg);
	var currentDiv = document.getElementById(oDiv);
	
	if (currentDiv) {
		currentDiv.innerHTML = "";
		currentDiv.appendChild(objTxt);
		return;
	}	
    
    //add elements to DOM
    //DIV
    txtBox.parentNode.appendChild(objDiv);
    objDiv.setAttribute("class", "alert");
    objDiv.setAttribute("className", "alert");
    objDiv.setAttribute("id", oDiv);
    //IMG
    objDiv.appendChild(objImg);
    objImg.setAttribute("src", GradeMappingsImagePath);
    objImg.setAttribute("class", "alertArrow");
    objImg.setAttribute("className", "alertArrow");
    objDiv.appendChild(objTxt);

    objDiv.onclick = function() { this.style.display = "none" };
    // set input text color
    txtBox.style.color = "#db4242";
}

function hideAlert(oDiv, txtBox) {
    var objDiv = document.getElementById(oDiv);
    if (objDiv) {
    	try {
    		txtBox.parentNode.removeChild(objDiv);
    		txtBox.style.color = "#000";
    	} catch (e) { }
    }
}

// Activity Menu
function showActivityMenu(el, posEl) {
    var yTop = findPosY(posEl) + 4;
    var xLeft = findPosX(posEl) + 4;
    var item = document.getElementById(el).style;
    item.display = "block";
    item.top = yTop + "px";
    item.left = xLeft + "px";
}

// ***************************************************************
// STUDENT MENU
// ***************************************************************
function setStudentMenu(e, studentId, token, rootDir, imageDir, imageFileName, imageLocation) {

    if (document.getElementById("PermissionRequests") != undefined) {
        var indexPermissionRequests = document.getElementById("PermissionRequests").href.indexOf("studentId") + 10;
        document.getElementById("PermissionRequests").href = document.getElementById("PermissionRequests").href.substring(0, indexPermissionRequests) + studentId;
    }

    if (document.getElementById("ClassSchedule") != undefined) {
        var indexClassSchedule = document.getElementById("ClassSchedule").href.indexOf("studentId") + 10;
        document.getElementById("ClassSchedule").href = document.getElementById("ClassSchedule").href.substring(0, indexClassSchedule) + studentId;
    }

    if (document.getElementById("UnofficialTranscript") != undefined) {
        var indexUnofficialTranscript = document.getElementById("UnofficialTranscript").href.indexOf("studentId") + 10;
        document.getElementById("UnofficialTranscript").href = document.getElementById("UnofficialTranscript").href.substring(0, indexUnofficialTranscript) + studentId;
    }

    if (document.getElementById("AcademicPlan") != undefined) {
        var indexAcademicPlan = document.getElementById("AcademicPlan").href.indexOf("studentId") + 10;
        document.getElementById("AcademicPlan").href = document.getElementById("AcademicPlan").href.substring(0, indexAcademicPlan) + studentId;
    }

    if (document.getElementById("WhatIfAcademicPlan") != undefined) {
        var indexWhatIfAcademicPlan = document.getElementById("WhatIfAcademicPlan").href.indexOf("studentId") + 10;
        document.getElementById("WhatIfAcademicPlan").href = document.getElementById("WhatIfAcademicPlan").href.substring(0, indexWhatIfAcademicPlan) + studentId;
    }

    if (document.getElementById("ScheduleRequestHistory") != undefined) {
        var indexScheduleRequestHistory = document.getElementById("ScheduleRequestHistory").href.indexOf("studentId") + 10;
        document.getElementById("ScheduleRequestHistory").href = document.getElementById("ScheduleRequestHistory").href.substring(0, indexScheduleRequestHistory) + studentId;
    }

    if (document.getElementById("GradeReport") != undefined) {
        var indexGradeReport = document.getElementById("GradeReport").href.indexOf("studentId") + 10;
        document.getElementById("GradeReport").href = document.getElementById("GradeReport").href.substring(0, indexGradeReport) + studentId;
    }

    if (document.getElementById("DossierStudentLink") != undefined) {
        document.getElementById("DossierStudentLink").onclick = function() { OpenWin(rootDir + '/Account/DossierStudent.aspx?Id=' + studentId + '&token=' + token, 'dossier'); }
    }

    if (document.getElementById("DossierImageStudentLink") != undefined) {
        document.getElementById("DossierImageStudentLink").onclick = function() { OpenWin(rootDir + '/Account/DossierStudent.aspx?Id=' + studentId + '&token=' + token, 'dossier'); }
    }
    if (document.getElementById("AttendanceLink") != undefined) {
        var indexAttendance = document.getElementById("AttendanceLink").href.indexOf("studentId") + 10;
        document.getElementById("AttendanceLink").href = document.getElementById("AttendanceLink").href.substring(0, indexAttendance) + studentId;
    }
    if (document.getElementById("ActivitiesLink") != undefined) {
        var indexActivity = document.getElementById("ActivitiesLink").href.indexOf("studentId") + 10;
        document.getElementById("ActivitiesLink").href = document.getElementById("ActivitiesLink").href.substring(0, indexActivity) + studentId;
    }

    if (document.getElementById("StudentImage") != undefined) {
        document.getElementById("StudentImage").src = imageDir + '/ShowStudentImage.ashx?pic=' + imageFileName + '&code=' + imageLocation + '&size=60'
    }

    var left = 0;
    var top = 0;

    while (e.offsetParent) {
        left += e.offsetLeft;
        top += e.offsetTop;
        e = e.offsetParent;
    }

    left += e.offsetLeft;
    top += e.offsetTop;

    document.getElementById("csMenu").style.position = 'absolute';
    document.getElementById("csMenu").style.top = top + 25 + "px";
    document.getElementById("csMenu").style.left = left + "px";
    document.getElementById("csMenu").style.display = "block";

    return { x: left, y: top };
}



function showStudentMenu(el, posEl) {
    var yTop = findPosY(posEl) + 21;
    var xLeft = findPosX(posEl) + 0;
    var item = document.getElementById(el).style;
    if (item.display == "block") {
        item.display = "none";
    }
    else {
        studentMenuHideAll()
        //hideAll("tblAdvisingList", "div", "csMenu");
        item.display = "block";
        item.top = yTop + "px";
        item.left = xLeft + "px";
    }
}

function showSectionMenu(el) {
    var item = document.getElementById(el).style;
    if (item.display == "block") {
        item.display = "none";
    }
    else {
        studentMenuHideAll()
        item.display = "block";
    }
}

function studentMenuHideAll() {
    theElems = document.getElementById("content").getElementsByTagName("div");
    for (i = 0; i < theElems.length; i++) {
        if (theElems[i].id.indexOf("csMenu") > -1) {
            theElems[i].style.display = "none";
        }
    }
}
function closeStudentMenu(e) {
    if (!e) var e = window.event;
    var tg = (window.event) ? e.srcElement : e.target;
    if (tg.nodeName != 'DIV') return;
    var reltg = (e.relatedTarget) ? e.relatedTarget : e.toElement;
    while (reltg != tg && reltg.nodeName != 'BODY')
        reltg = reltg.parentNode;
    if (reltg == tg) return;
    var el = document.getElementById(tg.id);
    el.style.display = "none";
}

// ***************************************************************
// HELP MENU
// ***************************************************************
function showHelpMenu(el, posEl) {
    var yTop = findPosY(posEl) + 21;
    var xLeft = findPosX(posEl) + 0;
    var item = document.getElementById(el).style;
    if (item.display == "block") {
        item.display = "none";
    }
    else {
        item.display = "block";
        item.top = yTop + "px";
        item.left = xLeft + "px";
    }
}

function closeHelpMenu(e) {
    if (!e) var e = window.event;
    var tg = (window.event) ? e.srcElement : e.target;
    if (tg.nodeName != 'DIV') return;
    var reltg = (e.relatedTarget) ? e.relatedTarget : e.toElement;
    while (reltg != tg && reltg.nodeName != 'BODY')
        reltg = reltg.parentNode;
    if (reltg == tg) return;
    var el = document.getElementById(tg.id);
    el.style.display = "none";
}


// generic
// container: parent element, el: element to find, test: string to search for in elements id
function hideAll(container, el, test) {
    theElems = document.getElementById(container).getElementsByTagName(el);
    for (i = 0; i < theElems.length; i++) {
        if (theElems[i].id.indexOf(test) > -1) {
            theElems[i].style.display = "none";
        }
    }
}


function hideElement(el) {
    document.getElementById(el).style.display = "none";
}

function showElement(el) {
    document.getElementById(el).style.display = "block";
}

function showHideElement(el) {
    var theEl = document.getElementById(el);
    if (theEl.style.display == "none") {
        theEl.style.display = "";
    }
    else {
        theEl.style.display = "none";
    }

}

function showTrElement(el) {
    document.getElementById(el).style.display = "";
}

function showElementInline(el) {
    document.getElementById(el).style.display = "inline";
}

function showAndPositionElement(el, posEl, yOffset, xOffset) {
    var yTop = findPosY(posEl) + yOffset;
    var xLeft = findPosX(posEl) + xOffset;
    var item = document.getElementById(el).style;
    item.position = "absolute";
    item.display = "block";
    item.top = yTop + "px";
    item.left = xLeft + "px";
}



// vert nav
function vertNav(el, linkEl) {
    var theEl = document.getElementById(el);
    vertNavCloseAll();
    resetLinks();
    if (el == "all") {
        vertNavShowAll();
    }
    else {
        theEl.style.display = "";
    }
    if (linkEl.parentNode.className == "vertNavItem") {
        linkEl.parentNode.className = "vertNavItemOn";
    }
    else {
        linkEl.parentNode.className = "vertNavItem";
    }
}

function resetLinks() {
    var theLinks = document.getElementById("vertTabNav").getElementsByTagName("li");
    for (i = 0; i < theLinks.length; i++) {
        theLinks[i].className = "vertNavItem";
    }
}

function vertNavCloseAll() {
    var theDivs = document.getElementById("mappings").getElementsByTagName("table");
    for (i = 0; i < theDivs.length; i++) {
        theDivs[i].style.display = "none";
    }
}

function vertNavShowAll() {
    var theTables = document.getElementById("mappings").getElementsByTagName("table");
    for (i = 0; i < theTables.length; i++) {
        theTables[i].style.display = "";
    }
}

// vert nav

function vertNavSm(el, linkEl) {
    var theEl = document.getElementById(el);
    vertNavSmCloseAll();
    resetLinksSm();
    if (el == "all") {
        vertNavSmShowAll();
    }
    else {
        theEl.style.display = "block";
    }
    if (linkEl.parentNode.className == "vertNavItemSm") {
        linkEl.parentNode.className = "vertNavItemSmOn";
    }
    else {
        linkEl.parentNode.className = "vertNavItemSm";
    }
}

function resetLinksSm() {
    var theLinks = document.getElementById("vertTabNavSm").getElementsByTagName("li");
    for (i = 0; i < theLinks.length; i++) {
        theLinks[i].className = "vertNavItemSm";
    }
}

function vertNavSmCloseAll() {
    var theLists = document.getElementById("courses").getElementsByTagName("ul");
    for (i = 0; i < theLists.length; i++) {
        if (theLists[i].id.indexOf("li") > -1) {
            theLists[i].style.display = "none";
        }
    }
}

function vertNavSmShowAll() {
    var theTables = document.getElementById("courses").getElementsByTagName("ul");
    for (i = 0; i < theTables.length; i++) {
        theTables[i].style.display = "block";
    }
}

// vert nav Row
function vertNavRow(el, linkEl) {
    var theEl = document.getElementsByTagName("tr");
    vertNavCloseAllRow();
    resetLinksRow();

    for (i = 0; i < theEl.length; i++) {
        if (theEl[i].id == el)
            theEl[i].style.display = "";
    }

    if (linkEl.parentNode.className == "vertNavItem") {
        linkEl.parentNode.className = "vertNavItemOn";
    }
    else {
        linkEl.parentNode.className = "vertNavItem";
    }
}

function resetLinksRow() {
    var theLinks = document.getElementById("vertTabNav").getElementsByTagName("li");
    for (i = 0; i < theLinks.length; i++) {
        theLinks[i].className = "vertNavItem";
    }
}

function vertNavCloseAllRow() {
    var theDivs = document.getElementById("courses").getElementsByTagName("tr");
    for (i = 0; i < theDivs.length; i++) {
        if (theDivs[i].id != "")
            theDivs[i].style.display = "none";
    }
}
// vert nav Row Small
function vertNavRowSm(el, linkEl) {
    var theEl = document.getElementsByTagName("tr");
    vertNavCloseAllRowSm();
    resetLinksRowSm();

    for (i = 0; i < theEl.length; i++) {
        if (theEl[i].id == el)
            theEl[i].style.display = "";
    }

    if (linkEl.parentNode.className == "vertNavItemSm") {
        linkEl.parentNode.className = "vertNavItemSmOn";
    }
    else {
        linkEl.parentNode.className = "vertNavItemSm";
    }
}

function resetLinksRowSm() {
    var theLinks = document.getElementById("vertTabNavSm").getElementsByTagName("li");
    for (i = 0; i < theLinks.length; i++) {
        theLinks[i].className = "vertNavItemSm";
    }
}

function vertNavCloseAllRowSm() {
    var theDivs = document.getElementById("courses").getElementsByTagName("tr");
    for (i = 0; i < theDivs.length; i++) {
        if (theDivs[i].id != "")
            theDivs[i].style.display = "none";
    }
}

//
// Checkbox Check All
//

function ColumnCheckAll(checkBoxID, checkVal) {
    for (i = 0; i < document.forms[0].elements.length; i++) {
        var elm = document.forms[0].elements[i]
        if (elm.type == 'checkbox') {
            if (elm.id == checkBoxID)
                elm.checked = checkVal
        }
    }
}

function ColumnPrefixCheckAll(checkBoxIDPrefix, checkVal) {
    for (i = 0; i < document.forms[0].elements.length; i++) {
        var elm = document.forms[0].elements[i]
        if (elm.type == 'checkbox') {
            if (elm.id.indexOf(checkBoxIDPrefix) >= 0) {
                elm.checked = checkVal
            }
        }
    }
}

function checkAllInRow(rowId, checkedValue) {
    var chkBoxes = document.getElementById(rowId).getElementsByTagName("input");
    for (i = 0; i < chkBoxes.length; i++) {
        if (chkBoxes[i].type == "checkbox" && chkBoxes[i].id != "chkbxEmail") {
            chkBoxes[i].checked = checkedValue;
        }
    }
}

//**************************************
// Table Tab navigation
//**************************************
// el = element to show, linkEl = link to change, tabPos = tab position (ie, first, last or in between)
function tableTabNav(el, linkEl, tabPos, page) {
    var theEl = document.getElementById(el);
    switch (page) {
        case "search":
            // use generic show / hide function
            showHideElement(el);
            break;
        case "address":
            tableTabNavCloseAll2();
            theEl.style.display = "block";
            break;
        case "account":
            tableTabNavCloseAll2();
            theEl.style.display = "block";
            break;
        default:
            tableTabNavCloseAll();
            theEl.style.display = "block";
            break;
    }

    tableTabNavResetLinks();
    switch (tabPos) {
        case "first":
            linkEl.parentNode.className = "firstSelected";
            break;
        case "last":
            linkEl.parentNode.className = "lastSelected";
            break;
        default:
            linkEl.parentNode.className = "selected";
            break;
    }
    linkEl.blur();
}
function tableTabNavCloseAll() {
    var theDivs = document.getElementById("cont").getElementsByTagName("div");
    for (i = 0; i < theDivs.length; i++) {
        if (theDivs[i].id.indexOf("periodDiv") > -1) theDivs[i].style.display = "none";
        //theDivs[i].style.display = "none";
    }
}

function tableTabNavCloseAll2() {
    var theDivs = document.getElementById("tableTabContent").getElementsByTagName("div");
    for (i = 0; i < theDivs.length; i++) {
        if (theDivs[i].id.indexOf("Div") > -1) theDivs[i].style.display = "none";
        //theDivs[i].style.display = "none";
    }
}

function tableTabNavResetLinks() {
    var theLinks = document.getElementById("tableTabs").getElementsByTagName("li");
    for (i = 0; i < theLinks.length; i++) {
        //alert(i);
        theLinks[i].className = "";
        if (i == 0) theLinks[i].className = "first";
    }
}

// Disable inputs in a div
function setInputsEnabled(div, state) {
    var els = div.getElementsByTagName("input");
    for (i = 0; i < els.length; i++) {
        els[i].disabled = !state;
    }
    els = div.getElementsByTagName("select");
    for (i = 0; i < els.length; i++) {
        els[i].disabled = !state;
    }
}

// Clear inputs in a div
function clearDiv(div) {
    var els = div.getElementsByTagName("input");
    for (i = 0; i < els.length; i++) {
        if (els[i].type == "text") els[i].value = "";
    }
    els = div.getElementsByTagName("select");
    for (i = 0; i < els.length; i++) {
        els[i].value = "";
    }
}

// functions to show text input format help within the text box, 
// remove it when text box get's focus, and ensure format text doesn't interfere
// with selecting the text box.

// hide it onfocus
function hideFormat(el) {
    var theElStyle = document.getElementById(el).style;
    theElStyle.visibility = "hidden";
}
// show it on blur if there is no value in the text box
// if a value has been entered by a user, it stays hidden.
// if the text box becomes empty, show it again.
function showHelp(el, control) {
    var theElStyle = document.getElementById(el).style;
    if (control.value == '') {
        theElStyle.visibility = "visible";
    }
    else {
        theElStyle.visibility = "hidden";
    }
}

function allowInputClick(el, txt) {
    var theTextBox = document.getElementById(el);
    var txtStyle = document.getElementById(txt).style;
    txtStyle.visibility = 'hidden';
    theTextBox.focus();
}

// new student menu (11/19/07) TODO: make reusable.

function studentMenuOver(el) {
    el.parentNode.parentNode.className = "studentMenuCellOver";
}

function studentMenuOut(el) {
    el.parentNode.parentNode.className = "studentMenuCell";
}

// Drop-Down list helper functions
function selectDropDownOption(dropDownList, selectedValue) {
    for (var i = 0; i < dropDownList.options.length; i++) {
        var option = dropDownList.options[i];
        option.selected = (option.value == selectedValue);
    }
}

function findSelectedText(dropDownList) {
    var text;
    var options = dropDownList.options;
    for (var i = 0; i < options.length; i++) {
        if (options[i].selected) {
            text = options[i].text;
            i = options.length + 1;
        }
    }
    return text;
}

function findSelectedValue(dropDownList) {
    var text;
    var options = dropDownList.getElementsByTagName("option");
    for (var i = 0; i < options.length; i++) {
        if (options[i].selected) {
            text = options[i].value;
            i = options.length + 1;
        }
    }
    return text;
}

function removeOptions(ddlId) {
    _ddlId = ddlId;
    var dropDownList = document.getElementById(ddlId);
    if (dropDownList) {
        var options = dropDownList.getElementsByTagName("option");
        for (var i = options.length - 1; i >= 0; i--) {
            dropDownList.removeChild(options[i]);
        }
    }
}

function addOptions(ddlId, newOptions) {
    var dropDownList = document.getElementById(ddlId);
    if (dropDownList) {
        var myEle;
        var txt;
        for (var i = 0; i < newOptions.length; i++) {
            var currOption = newOptions[i];
            myEle = document.createElement("option");
            if (currOption.childNodes[0]) {
                myEle.text = currOption.childNodes[0].nodeValue;
            }
            myEle.value = currOption.getAttribute("value");
            dropDownList.options.add(myEle);
        }
    }
}

function setCascadingDropDownValues(handler, sourceDropDown, destinationDropDown, queryKey) {
    removeOptions(destinationDropDown);
    xmlhttp = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
    xmlhttp.onreadystatechange = function() {
        changeDestinationOptions(destinationDropDown);
    }
    // Send the request. 
    xmlhttp.open("POST", handler);
    xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    var field = document.getElementById(sourceDropDown);
    xmlhttp.send(queryKey + "=" + findSelectedValue(field));
}

function setCascadingDropDownValuesTwoParameters(handler, sourceDropDown, destinationDropDown, valueForm, firstQueryKey, queryKey) {
    removeOptions(destinationDropDown);
    xmlhttp = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP"); 
    xmlhttp.open("POST", handler, false);
    xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    var field = document.getElementById(sourceDropDown);
    xmlhttp.send(firstQueryKey + "=" + valueForm + "&" + queryKey + "=" + findSelectedValue(field));
    changeDestinationOptions(destinationDropDown);
    changeDropDownWidth(destinationDropDown);
}

function changeDropDownWidth(ddlId) {
	var dropDownList = document.getElementById(ddlId);
	if (dropDownList.length == 1) {
   		dropDownList.style.width = "100px";
   	} 
   	else {
   		dropDownList.style.width = "";
   	}
   	
}

function changeDestinationOptions(destinationDropDown) {
    if ((xmlhttp.readyState == 4) && (xmlhttp.status == 200)) {
        dom = LoadXmlString(xmlhttp.responseText);
        var tree = dom.documentElement;
        var nodes = tree.childNodes;
        addOptions(destinationDropDown, nodes);
    }
}

function LoadXmlString(xmlString) {
    var xmlDoc;
    try { //Internet Explorer
        xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
        xmlDoc.async = false;
        xmlDoc.loadXML(xmlString);
    }
    catch (e) {
        try { //Firefox, Mozilla, Opera, etc.
            var parser = new DOMParser();
            xmlDoc = parser.parseFromString(xmlString, "text/xml");
        }
        catch (e) { alert(e.Message); }
    }
    return xmlDoc;
}


/* help to transfers nodes */
function nextObject(n) {
    do n = n.nextSibling;
    while (n && n.nodeType != 1);
    return n;
}

/* generic css class changer */
function swapClassName(el, curClass, newClass) {
    var swapItem = document.getElementById(el);
    if (swapItem.className == curClass) {
        swapItem.className = newClass;
    }
    else {
        swapItem.className = curClass;
    }
}


function showInLightbox(overlay, box, isIe6) {

    if (!isIe6) {
        // dark background
        document.getElementById(overlay).style.display = "block";
        // content container
        document.getElementById(box).style.display = "block";
        // ensure background covers entire height of the page
        document.getElementById(box).style.height = document.documentElement.scrollHeight + "px";
    }

    //fix ie6
    else {
        var divCont = document.getElementById("overlayContainer");
        var theIframe = document.createElement("iframe");
        theIframe.className = "lightboxDarkOverlay";
        theIframe.id = "fade";
        theIframe.frameBorder = "0";
        divCont.appendChild(theIframe);
        var iframeDoc = document.getElementById("fade").contentWindow.document;
        iframeDoc.write("<html><body style='background-color:black; filter:alpha(opacity=80)'></body></html>");
        document.getElementById(overlay).style.display = "block"; 									// dark background
        document.getElementById(box).style.display = "block"; 										// content container
        document.getElementById(box).style.height = document.documentElement.scrollHeight + "px"; 	// ensure background covers entire height of the page
        document.getElementById(box).style.width = document.documentElement.scrollWidth + "px";
        //document.getElementById(box).style.width = "400px";
    }
}

function hideLightBox(lightBox) {
    var divContentLightBox = document.getElementById(lightBox);
    var divBackground = document.getElementById("fade");
    if (divContentLightBox != null)
        divContentLightBox.style.display = "none";
    if (divBackground != null)
        divBackground.style.display = "none";
}


function isIE6Explorer() {
    var isIe6;
    //Check the explorer    
    if (navigator.appVersion.indexOf("IE 6.0") != -1) {
        isIe6 = true;
        //delete the fade div
        var fadeDiv = document.getElementById("fade");
        var content = fadeDiv.parentNode;
        if (fadeDiv != null)
            content.removeChild(fadeDiv);
    }
    else
        isIe6 = false;

    return isIe6;
}