function addEvent(obj, evType, fn)
{
    if (obj.addEventListener)
    {
        obj.addEventListener(evType, fn, false);
        return true;
    }
    else if (obj.attachEvent)
    {
        var r = obj.attachEvent("on"+evType, fn);
        return r;
    }
    else 
    {
        return false;
    }
}

addEvent(window, 'load', initializeDHTMLHistory);

function initializeDHTMLHistory() 
{
    // initialize the RSH framework
    dhtmlHistory.initialize();

    // add callback listener to history change events
    dhtmlHistory.addListener(onHistoryChange);
}



function onHistoryChange(newLocation, historyData) 
{
    //alert('newLocation: ' + base64_decode(newLocation) + ' container: ' + historyData);
    if (historyData != undefined)
    {
        wtGet(historyData, base64_decode(newLocation), true);
    }
}

/*
 * This function looks for a bookmark on the URL. Should be used 
 * when the (client) page first loads.
 */
function wtInit(container, url)
{
    // if a URL exists in the anchor, use it as a bookmark
    if (window.location.href.lastIndexOf('#') >= 0)
    {
        var loc = window.location.href;
        var url = loc.substring(loc.lastIndexOf('#') + 1);

        wtGet(container, base64_decode(url), true);
    }
    else
    {
        wtGet(container, url, true);
    }
}


function wtPost(container, url)
{
    /* remove any previous script tags */
    if (document.getElementById(container + '_script'))
    {
        var old = document.getElementById(container + '_script');
        document.getElementsByTagName("head")[0].removeChild(old);
    }

    url = base64_encode(url);
    host = window.location.hostname;

    var params = "";
    var inputs = document.frmSubmit.elements;

    /* Take all the name=value pairs from the form and assemble a GET-like string */
    for (var i=0;i<inputs.length;i++) 
    {
		if ( (inputs[i].type == 'radio' || inputs[i].type == 'checkbox') && ! inputs[i].checked)
        {
            continue;
        }

        params += inputs[i].name + '=' + inputs[i].value + '&';
    }
    params = base64_encode(params);

    /*
     * The following adds to the DOM a script tag like:
     * <script src="wt_post.php" type="text/javascript" id="events_script"></script>
     */

    var e = document.createElement("script");
    e.src = 'http://www.myschoolalerts.org/business/webtools/wt_post.php?key=' + key + '&bid=' + bid + '&tid=' + tid + '&host=' + host + '&c=' + container + '&u=' + url + '&p=' + params;
    e.type="text/javascript";
    e.setAttribute('id', container + '_script');
    document.getElementsByTagName("head")[0].appendChild(e);
}

/*
 * This function will load a URL in a new page (given in
 * the 'target' variable), only if the intended container
 * does not exist.
 */
function wtSetContext(container, url)
{
    if (document.getElementById(container))
    {
        wtGet(container, url);
    }
    else
    {
        window.location.href=target + '#' + base64_encode(url);
    }
}

function wtGet()
{
    var url = wtGet.arguments[1];
    var container = wtGet.arguments[0];
    var historyIsOff = wtGet.arguments[2];

    /* remove any previous script tags */
    if (document.getElementById(container + '_script'))
    {
        var old = document.getElementById(container + '_script');
        document.getElementsByTagName("head")[0].removeChild(old);
    }

    url = base64_encode(url);
    /* if third argument does not exist, add to history */
    if (historyIsOff == undefined)
    {
        dhtmlHistory.add(url, container);
    }
    host = window.location.hostname;

    /*
     * The following adds to the DOM a script tag like:
     * <script src="wt_post.php" type="text/javascript" id="events_script"></script>
     */

    var e = document.createElement("script");
    e.src = 'http://www.myschoolalerts.org/business/webtools/wt_get.php?key=' + key + '&bid=' + bid + '&tid=' + tid + '&host=' + host + '&c=' + container + '&u=' + url;
    e.type="text/javascript";
    e.setAttribute('id', container + '_script');
    document.getElementsByTagName("head")[0].appendChild(e);
}



/********************************************************************************/
/********************************************************************************/

/* The following are helper functions grabbed from the internet */

//First things first, set up our array that we are going to use.
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + //all caps
             "abcdefghijklmnopqrstuvwxyz" + //all lowercase
             "0123456789+/="; // all numbers plus +/=

//Heres the encode function
function base64_encode(inp)
{
    var out = ""; //This is the output
    var chr1, chr2, chr3 = ""; //These are the 3 bytes to be encoded
    var enc1, enc2, enc3, enc4 = ""; //These are the 4 encoded bytes
    var i = 0; //Position counter

    do { //Set up the loop here
        chr1 = inp.charCodeAt(i++); //Grab the first byte
        chr2 = inp.charCodeAt(i++); //Grab the second byte
        chr3 = inp.charCodeAt(i++); //Grab the third byte

        //Here is the actual base64 encode part.
        //There really is only one way to do it.
        enc1 = chr1 >> 2;
        enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
        enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
        enc4 = chr3 & 63;

        if (isNaN(chr2)) {
            enc3 = enc4 = 64;
        } else if (isNaN(chr3)) {
            enc4 = 64;
        }

        //Lets spit out the 4 encoded bytes
        out = out + keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) +
            keyStr.charAt(enc4);

        // OK, now clean out the variables used.
        chr1 = chr2 = chr3 = "";
        enc1 = enc2 = enc3 = enc4 = "";

    } while (i < inp.length); //And finish off the loop

    //Now return the encoded values.
    return out;
}

//Heres the decode function
function base64_decode(inp)
{
    var out = ""; //This is the output
    var chr1, chr2, chr3 = ""; //These are the 3 decoded bytes
    var enc1, enc2, enc3, enc4 = ""; //These are the 4 bytes to be decoded
    var i = 0; //Position counter

    // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
    var base64test = /[^A-Za-z0-9\+\/\=]/g;

    if (base64test.exec(inp)) { //Do some error checking
        alert("There were invalid base64 characters in the input text.\n" +
                "Valid base64 characters are A-Z, a-z, 0-9, ?+?, ?/?, and ?=?\n" +
                "Expect errors in decoding.");
    }
    inp = inp.replace(/[^A-Za-z0-9\+\/\=]/g, "");

    do { //Here’s the decode loop.

        //Grab 4 bytes of encoded content.
        enc1 = keyStr.indexOf(inp.charAt(i++));
        enc2 = keyStr.indexOf(inp.charAt(i++));
        enc3 = keyStr.indexOf(inp.charAt(i++));
        enc4 = keyStr.indexOf(inp.charAt(i++));

        //Heres the decode part. There’s really only one way to do it.
        chr1 = (enc1 << 2) | (enc2 >> 4);
        chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
        chr3 = ((enc3 & 3) << 6) | enc4;

        //Start to output decoded content
        out = out + String.fromCharCode(chr1);

        if (enc3 != 64) {
            out = out + String.fromCharCode(chr2);
        }
        if (enc4 != 64) {
            out = out + String.fromCharCode(chr3);
        }

        //now clean out the variables used
        chr1 = chr2 = chr3 = "";
        enc1 = enc2 = enc3 = enc4 = "";

    } while (i < inp.length); //finish off the loop

    //Now return the decoded values.
    return out;
}



/****************************************************
     Author: Eric King
     Url: http://redrival.com/eak/index.shtml
     This script is free to use as long as this info is left in
     Featured on Dynamic Drive script library (http://www.dynamicdrive.com)
****************************************************/

var win=null;

function NewWindow(mypage,myname,w,h,scroll,pos)
{
    if(pos=="random")
    {
        LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
    }

    if(pos=="center")
    {
        LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;
    }
    else if((pos!="center" && pos!="random") || pos==null)
    {
        LeftPosition=0;TopPosition=20 
    } 

    settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=yes,directories=yes,status=yes,menubar=yes,toolbar=yes,resizable=yes';
    win=window.open(mypage,myname,settings);
}

function NewWindowNoMenu(mypage,myname,w,h,scroll,pos)
{
    if(pos=="random")
    {
        LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
    }

    if(pos=="center")
    {
        LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;
    }
    else if((pos!="center" && pos!="random") || pos==null)
    {
        LeftPosition=0;TopPosition=20
    }

    settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
    win=window.open(mypage,myname,settings);
}


/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var loadedobjects="";

function loadobjs()
{
    if (!document.getElementById)
        return;

    for (i=0; i<arguments.length; i++){
        var file=arguments[i];
        var fileref="";
        if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
            if (file.indexOf(".js")!=-1){ //If object is a js file
                fileref=document.createElement('script');
                fileref.setAttribute("type","text/javascript");
                fileref.setAttribute("src", file);
            }
            else if (file.indexOf(".css")!=-1){ //If object is a css file
                fileref=document.createElement("link");
                fileref.setAttribute("rel", "stylesheet");
                fileref.setAttribute("type", "text/css");
                fileref.setAttribute("href", file);
            }
        }
        if (fileref!=""){
            document.getElementsByTagName("head").item(0).appendChild(fileref)
                loadedobjects+=file+" "; //Remember this object as being already added to page
        }
    }
}