var selectedNav = '';

function navMouseOut(navItem) {
}

function navClick(navItem) {
    // If an item is visible, hide it
    if (selectedNav) {
        selectedNav.className = 'none';

        var containedElements = selectedNav.getElementsByTagName("a");
        var subNav = document.getElementById(containedElements[0].rel);

        subNav.style.display = 'none';
    }

    selectedNav = navItem;
    navItem.className = 'selected';
    navItem.onmouseout = function() { navMouseOut(navItem); }

    var containedElements = navItem.getElementsByTagName("a");
    var subNav = document.getElementById(containedElements[0].rel);

    subNav.style.display = 'block';
}

// Functions to control rollover images
function imageHover(element_id, image) {
    element_id.src = image;
}

// Function to control button hover (changes class name(style))
function btnHover(button, style) {
    button.className = style;
}

// Highlight a navigation menu as selected, used to switch a sub nav on by page
function highlightNav(element_id) {
    if (element_id != '') {
        document.getElementById(element_id).onclick();
    }
}
// Highlight a sub nav item when page loads
function highlightSubNav(element_id) {
    document.getElementById(element_id).style.color = '#520034';
}

function MM_CheckFlashVersion(reqVerStr, msg) {
    with (navigator) {
        var isIE = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
        var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
        if (!isIE || !isWin) {
            var flashVer = -1;
            if (plugins && plugins.length > 0) {
                var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
                desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
                if (desc == "") flashVer = -1;
                else {
                    var descArr = desc.split(" ");
                    var tempArrMajor = descArr[2].split(".");
                    var verMajor = tempArrMajor[0];
                    var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
                    var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
                    flashVer = parseFloat(verMajor + "." + verMinor);
                }
            }
            // WebTV has Flash Player 4 or lower -- too low for video
            else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

            var verArr = reqVerStr.split(",");
            var reqVer = parseFloat(verArr[0] + "." + verArr[2]);

            if (flashVer < reqVer) {
                if (confirm(msg))
                    window.location = "http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
            }
        }
    }
}

//v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2007 Adobe Systems Incorporated.  All rights reserved.
var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion() {
    var version;
    var axo;
    var e;

    // NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

    try {
        // version will be set for 7.X or greater players
        axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
        version = axo.GetVariable("$version");
    } catch (e) {
    }

    if (!version) {
        try {
            // version will be set for 6.X players only
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");

            // installed player is some revision of 6.0
            // GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
            // so we have to be careful. 

            // default to the first public version
            version = "WIN 6,0,21,0";

            // throws if AllowScripAccess does not exist (introduced in 6.0r47)		
            axo.AllowScriptAccess = "always";

            // safe to call for 6.0r47 or greater
            version = axo.GetVariable("$version");

        } catch (e) {
        }
    }

    if (!version) {
        try {
            // version will be set for 4.X or 5.X player
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
            version = axo.GetVariable("$version");
        } catch (e) {
        }
    }

    if (!version) {
        try {
            // version will be set for 3.X player
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
            version = "WIN 3,0,18,0";
        } catch (e) {
        }
    }

    if (!version) {
        try {
            // version will be set for 2.X player
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
            version = "WIN 2,0,0,11";
        } catch (e) {
            version = -1;
        }
    }

    return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer() {
    // NS/Opera version >= 3 check for Flash plugin in plugin array
    var flashVer = -1;

    if (navigator.plugins != null && navigator.plugins.length > 0) {
        if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
            var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
            var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
            var descArray = flashDescription.split(" ");
            var tempArrayMajor = descArray[2].split(".");
            var versionMajor = tempArrayMajor[0];
            var versionMinor = tempArrayMajor[1];
            var versionRevision = descArray[3];
            if (versionRevision == "") {
                versionRevision = descArray[4];
            }
            if (versionRevision[0] == "d") {
                versionRevision = versionRevision.substring(1);
            } else if (versionRevision[0] == "r") {
                versionRevision = versionRevision.substring(1);
                if (versionRevision.indexOf("d") > 0) {
                    versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
                }
            }
            var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
        }
    }
    // MSN/WebTV 2.6 supports Flash 4
    else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
    // WebTV 2.5 supports Flash 3
    else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
    // older WebTV supports Flash 2
    else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
    else if (isIE && isWin && !isOpera) {
        flashVer = ControlVersion();
    }
    return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
    versionStr = GetSwfVer();
    if (versionStr == -1) {
        return false;
    } else if (versionStr != 0) {
        if (isIE && isWin && !isOpera) {
            // Given "WIN 2,0,0,11"
            tempArray = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
            tempString = tempArray[1]; 		// "2,0,0,11"
            versionArray = tempString.split(","); // ['2', '0', '0', '11']
        } else {
            versionArray = versionStr.split(".");
        }
        var versionMajor = versionArray[0];
        var versionMinor = versionArray[1];
        var versionRevision = versionArray[2];

        // is the major.revision >= requested major.revision AND the minor version >= requested minor
        if (versionMajor > parseFloat(reqMajorVer)) {
            return true;
        } else if (versionMajor == parseFloat(reqMajorVer)) {
            if (versionMinor > parseFloat(reqMinorVer))
                return true;
            else if (versionMinor == parseFloat(reqMinorVer)) {
                if (versionRevision >= parseFloat(reqRevision))
                    return true;
            }
        }
        return false;
    }
}

function AC_AddExtension(src, ext) {
    if (src.indexOf('?') != -1)
        return src.replace(/\?/, ext + '?');
    else
        return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) {
    var str = '';
    if (isIE && isWin && !isOpera) {
        str += '<object ';
        for (var i in objAttrs) {
            str += i + '="' + objAttrs[i] + '" ';
        }
        str += '>';
        for (var i in params) {
            str += '<param name="' + i + '" value="' + params[i] + '" /> ';
        }
        str += '</object>';
    }
    else {
        str += '<embed ';
        for (var i in embedAttrs) {
            str += i + '="' + embedAttrs[i] + '" ';
        }
        str += '> </embed>';
    }

    document.write(str);
}

function AC_FL_RunContent() {
    var ret =
    AC_GetArgs
    (arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
    AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent() {
    var ret =
    AC_GetArgs
    (arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
    AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType) {
    var ret = new Object();
    ret.embedAttrs = new Object();
    ret.params = new Object();
    ret.objAttrs = new Object();
    for (var i = 0; i < args.length; i = i + 2) {
        var currArg = args[i].toLowerCase();

        switch (currArg) {
            case "classid":
                break;
            case "pluginspage":
                ret.embedAttrs[args[i]] = args[i + 1];
                break;
            case "src":
            case "movie":
                args[i + 1] = AC_AddExtension(args[i + 1], ext);
                ret.embedAttrs["src"] = args[i + 1];
                ret.params[srcParamName] = args[i + 1];
                break;
            case "onafterupdate":
            case "onbeforeupdate":
            case "onblur":
            case "oncellchange":
            case "onclick":
            case "ondblClick":
            case "ondrag":
            case "ondragend":
            case "ondragenter":
            case "ondragleave":
            case "ondragover":
            case "ondrop":
            case "onfinish":
            case "onfocus":
            case "onhelp":
            case "onmousedown":
            case "onmouseup":
            case "onmouseover":
            case "onmousemove":
            case "onmouseout":
            case "onkeypress":
            case "onkeydown":
            case "onkeyup":
            case "onload":
            case "onlosecapture":
            case "onpropertychange":
            case "onreadystatechange":
            case "onrowsdelete":
            case "onrowenter":
            case "onrowexit":
            case "onrowsinserted":
            case "onstart":
            case "onscroll":
            case "onbeforeeditfocus":
            case "onactivate":
            case "onbeforedeactivate":
            case "ondeactivate":
            case "type":
            case "codebase":
            case "id":
                ret.objAttrs[args[i]] = args[i + 1];
                break;
            case "width":
            case "height":
            case "align":
            case "vspace":
            case "hspace":
            case "class":
            case "title":
            case "accesskey":
            case "name":
            case "tabindex":
                ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i + 1];
                break;
            default:
                ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i + 1];
        }
    }
    ret.objAttrs["classid"] = classid;
    if (mimeType) ret.embedAttrs["type"] = mimeType;
    return ret;
}