var isDOM = document.getElementById?1:0;
var isIE = document.all?1:0;
var isNS4 = (navigator.appName=='Netscape' && !isDOM)?1:0;
var isIE4 = (isIE && !isDOM)?1:0;
var isDyn = (isDOM||isIE4||isNS4);

function getRef(id, par)
{
 par = (!par ? document : (par.navigator ? par.document : par));
 return (isIE ? par.all[id] :
  (isDOM ? (par.getElementById?par:par.ownerDocument).getElementById(id) :
  par.layers[id]));
}

function getSty(id, par)
{
 return (isNS4 ? getRef(id, par) : getRef(id, par).style)
}

if (!window.LayerObj) var LayerObj = new Function('id', 'par',
 'this.ref=getRef(id, par); this.sty=getSty(id, par); return this');
function getLyr(id, par) { return new LayerObj(id, par) }

function LyrFn(fn, fc)
{
 LayerObj.prototype[fn] = new Function('var a=arguments,p=a[0]; with (this) { '+fc+' }');
}
LyrFn('x','if (!isNaN(a[0])) sty.left=p; else return parseInt(sty.left)');
LyrFn('y','if (!isNaN(a[0])) sty.top=p; else return parseInt(sty.top)');
LyrFn('vis','sty.visibility=p');
LyrFn('bgColor','if (isNS4) sty.bgColor=(p?p:null); ' +
 'else sty.backgroundColor=(p?p:"transparent") ');
LyrFn('bgImage','if (isNS4) sty.background.src=(p?p:null); ' + 
  'else sty.backgroundImage=(p?"url("+p+")":"") ');
LyrFn('write','if (isNS4) with (ref.document) {write(p);close()} else ref.innerHTML=p');


function setLyr(lVis, docW, par)
{
 if (!this.seq) seq = 0;
 if (!docW) docW = 0;
 var obj = (!par ? (isNS4 ? window : document.body) :
  (!isNS4 && par.navigator ? par.document.body : par));
 var newID = '_js_layer_' + seq++;

 if (isIE) obj.insertAdjacentHTML('beforeEnd', '<div id="' + newID +
  '" style="position:absolute"></div>');
 else if (isDOM)
 {
  var newL = document.createElement('div');
  obj.appendChild(newL);
  with (newL) { id = newID; style.position='absolute' }
 }
 else if (isNS4)
 {
  var newL = new Layer(docW, obj);
  newID = newL.id;
 }

 var lObj = getLyr(newID, par);

 with (lObj) { vis(lVis); x(0); y(0); sty.width=docW }
 return lObj;
}



function popOver(mN, iN) { with (this)
{
 clearTimeout(hideTimer);
 overM = mN;
 overI = iN;
 var thisI = menu[mN][iN];

 if (iN && this.onmouseover) this.onmouseover();


 litOld = litNow;
 litNow = new Array();
 var litM = mN, litI = iN;
 while(1)
 {
  litNow[litM] = litI;
  if (litM == 'root') break;
  litI = menu[litM][0].parentItem;
  litM = menu[litM][0].parentMenu;
 }

 var same = true;
 for (var z in menu) if (litNow[z] != litOld[z]) same = false;
 if (same) return;



 for (thisM in menu)
 {
  if (!menu[thisM][0].lyr) continue;

  litI = litNow[thisM];
  oldI = litOld[thisM];

  if (litI && (litI != oldI)) changeCol(thisM, litI, true);

  if (oldI && (oldI != litI)) changeCol(thisM, oldI, false);

  if (isNaN(litI)) { menu[thisM][0].lyr.vis('hidden') }
 }


 clearTimeout(showTimer);
 nextMenu = '';
 if (thisI.type == 'sm:')
 {
  var targ = thisI.href, lyrM = menu[mN][0].lyr;

  with (menu[targ][0])
  {
   if (!lyr) update(targ);

   lyr.x(eval(offX) + (typeof(offX)=='number' ? lyrM.x() + thisI.lyr.x() : 0));
   lyr.y(eval(offY) + (typeof(offY)=='number' ? lyrM.y() + thisI.lyr.y() : 0));

   showStr = myName + '.menu.' + targ + '[0].lyr.vis("visible")';
   nextMenu = targ;
   if (showDelay) showTimer = setTimeout(showStr, showDelay);
   else eval(showStr);
  }
 }
}}


function popChangeCol(mN, iN, isOver) { with (this.menu[mN][iN])
{
 var col = isOver ? overCol : outCol;
 if (col.indexOf('.') == -1) lyr.bgColor(col);
 else lyr.bgImage(col);

 if ((overClass == outClass) && (outBorder == overBorder)) return;

 if (isNS4) lyr.write(this.getHTML(mN, iN, isOver));

 else with (lyr.ref)
 {
  className = (isOver ? overBorder : outBorder);
  var chl = (isDOM ? childNodes : children)
  for (var i = 0; i < chl.length; i++) chl[i].className = (isOver ? overClass : outClass);
 }
}}


function popOut(mN, iN) { with (this)
{
 if ((mN != overM) || (iN != overI)) return;
 if (this.onmouseout) this.onmouseout();

 var thisI = menu[mN][iN];

 if (thisI.href != nextMenu) clearTimeout(showTimer);

 if (hideDelay)
 {
  var delay = ((mN == 'root') && (thisI.type != 'sm:')) ? 50 : hideDelay;
  hideTimer = setTimeout(myName + '.over("root", 0)', delay);
 }

 overM = 'root';
 overI = 0;
}}


function popClick(evt) { with (this)
{
 if (overI)
 {
  if (this.onclick) this.onclick();

  var thisI = menu[overM][overI];

  with (thisI) switch (type)
  {
   case 'sm:': return;
   case 'js:': { eval(href); break }
   case '': type = 'window';
   default: if (href) eval(type + '.location.href = "' + href + '"');
  }
 }

 over('root', 0);
}}


function popClearLyr(wN) { with (this)
{
 for (mN in menu) with (menu[mN][0]) if (par == wN) lyr = null;
}}


function addProps(obj, data, names, addNull)
{
 for (var i = 0; i < names.length; i++) if(i < data.length || addNull) obj[names[i]] = data[i];
}

function ItemStyle()
{
 var names = ['len', 'spacing', 'popInd', 'popPos', 'pad', 'outCol', 'overCol', 'outClass',
  'overClass', 'outBorder', 'overBorder'];
 addProps(this, arguments, names, true);
}

function popStartMenu(mName) { with (this)
{
 if (!menu[mName]) { menu[mName] = new Array(); menu[mName][0] = new Object(); }

 actMenu = mName;
 menu[mName].length = 1;
 nextItem = 1;
 var aM = menu[mName][0];

 var names = ['isVert', 'isVert', 'offX','offY', 'width', 'itemSty', 'par', 'parentMenu',
  'parentItem'];
 addProps(aM, arguments, names, true);

 if (!aM.lyr) aM.lyr = null;
}}

function popAddItem() { with (this)
{
 var aI = menu[actMenu][nextItem++] = new Object();

 var names = ['text', 'href', 'type', 'itemSty', 'len', 'spacing', 'popInd', 'popPos',
  'iW', 'iH', 'lyr'];
 addProps(aI, arguments, names, true);

 var iSty = (arguments[3] ? arguments[3] : menu[actMenu][0].itemSty);
 for (prop in iSty) if (aI[prop] == window.UnDeFiNeD) aI[prop] = iSty[prop];

 if (isNS4 && aI.outBorder) aI.pad++;
}}


function popGetHTML(mN, iN, isOver) { with (this)
{
 var itemStr = '';
 with (menu[mN][iN])
 {
  var textClass = (isOver ? overClass : outClass);

  if ((type == 'sm:') && popInd)
  {
   if (isNS4) itemStr += '<layer class="' + textClass + '" left="'+ ((popPos+iW) % iW) +
    '" top="' + pad + '">' + popInd + '</layer>';
   else itemStr += '<div class="' + textClass + '" style="position: absolute; left: ' +
    ((popPos+iW) % iW) + '; top: ' + pad + '">' + popInd + '</div>';
  }

  if (isNS4) itemStr += (outBorder ? '<span class="' + (isOver ? overBorder : outBorder) +
   '"><spacer type="block" width="' + (iW - 8) + '" height="' + (iH - 8) + '"></span>' : '') +
   '<layer left="' + pad + '" top="' + pad + '" width="' + (iW - (2 * pad)) + '" height="' +

   (iH - (2 * pad)) + '"><a class="' + textClass + '" href="#" ' +
   'onClick="return false" onMouseOver="status=\'\'; ' + myName + '.over(\'' + mN + '\',' +
   iN + '); return true">' + text + '</a></layer>';

  else itemStr += '<div class="' + textClass + '" style="position: absolute; left: ' + pad +
   '; top: ' + pad + '; width: ' + (iW - (2 * pad)) + '; height: ' + (iH - (2 * pad)) +
   '">' + text + '</div>';
 }
 return itemStr;
}}


function popUpdate(upMN) { with (this)
{
 if (!isDyn) return;

 for (mN in menu) with (menu[mN][0])
 {
  if (upMN && (upMN != mN)) continue;

  var eP = eval(par);
  if (eP && eP.navigator && (eP.document.readyState != 'complete')) continue;


  var str = '', iX = 0, iY = 0;

  for (var iN = 1; iN < menu[mN].length; iN++) with (menu[mN][iN])
  {
   var itemID = myName + '_' + mN + '_' + iN;

   if (type == 'sm:')
   {
    menu[href][0].parentMenu = mN;
    menu[href][0].parentItem = iN;
   }

   var shrink = (outBorder && isDOM && !isIE ? 2 : 0)
   iW = (isVert ? width : len) - shrink;
   iH = (isVert ? len : width) - shrink;

   var isImg = (outCol.indexOf('.') != -1) ? true : false;

   if (isDOM || isIE4)
   {
    str += '<div id="' + itemID + '" ' + (outBorder ? 'class="' + outBorder + '" ' : '') +
     'style="position: absolute; left: ' + iX + '; top: ' + iY + '; width: ' + iW + '; height: ' +
     iH + '; ' + (outCol ? 'background: ' + (isImg ? 'url('+ outCol+')' : outCol) : '') + '" ';
   }
   if (isNS4)
   {
    str += '<layer id="' + itemID + '" left="' + iX + '" top="' + iY + '" width="' +
     iW + '" height="' + iH + '" ' + (outCol ? (isImg ? 'background="' : 'bgcolor="') +
     outCol + '" ' : '');
   }
   
   str += 'onMouseOver="' + myName + '.over(\'' + mN + '\',' + iN + ')" ' +
     'onMouseOut="' + myName + '.out(\'' + mN + '\',' + iN + ')">' +
     getHTML(mN, iN, false) + (isNS4 ? '</layer>' : '</div>');

   var spc = (outBorder ? 1 : 0)
   if (isVert) iY += len + spacing - spc;
   else iX += len + spacing - spc;

  }



  if (!lyr) lyr = setLyr('hidden', 3, eval(par));
  else if (isIE4) setTimeout(myName + '.menu.' + mN + '[0].lyr.sty.width=9', 50);

  with (lyr) { sty.zIndex = 1000; write(str); sty.cursor = (isIE ? 'hand' : 'pointer') }

  for (var i = 1; i < menu[mN].length; i++)
   menu[mN][i].lyr = getLyr(myName + '_' + mN + '_' + i, lyr.ref);

 }

 position();
 menu.root[0].lyr.vis('visible');
}}


function popPosition(wN) { with (this)
{
 for (mN in menu) if (!wN || menu[mN][0].par == wN) with (menu[mN][0])
 {
  if (!lyr) return;

  if (typeof(offX)!='number' || mN=='root') lyr.x(eval(offX));
  if (typeof(offY)!='number' || mN=='root') lyr.y(eval(offY));
 }
}}



function PopupMenu(myName)
{
 this.myName = myName;

 this.showTimer = 0;
 this.hideTimer = 0;
 this.showDelay = 0;
 this.hideDelay = 500;
 this.showMenu = '';

 this.menu =  new Array();
 this.litNow = new Array();
 this.litOld = new Array();

 this.overM = 'root';
 this.overI = 0;

 this.actMenu = '';
 this.nextItem = 1;

 this.over = popOver;
 this.changeCol = popChangeCol;
 this.out = popOut;
 this.click = popClick;
 this.clearLyr = popClearLyr;
 this.startMenu = popStartMenu;
 this.addItem = popAddItem;
 this.getHTML = popGetHTML;
 this.update = popUpdate;
 this.position = popPosition;
}







var hBar = new ItemStyle(22, 0, '', 0, 3, '', '#F79E0C', 'itemText', 'itemText', '', '');

var subM = new ItemStyle(22, 0, '&gt;', -15, 3, '#F79E0C', '#006699', 'itemText', 'itemHover',
 'itemBorder', 'itemBorder');
var designM = new ItemStyle(22, 0, '&gt;', -15, 3, '#0066ff', '#0F573F', 'itemText', 'itemText',
 'itemBorder', 'itemBorder');
var hostingM = new ItemStyle(22, 0, '&gt;', -15, 3, '#0066ff', '#742323', 'itemText', 'itemText',
 'itemBorder', 'itemBorder');
var supportM = new ItemStyle(22, 0, '&gt;', -15, 3, '#0066ff', '#554473', 'itemText', 'itemText',
 'itemBorder', 'itemBorder');
var rapidwebM = new ItemStyle(22, 0, '&gt;', -15, 3, '#0066ff', '#053478', 'itemText', 'itemText',
 'itemBorder', 'itemBorder');
var ecommerceM = new ItemStyle(22, 0, '&gt;', -15, 3, '#0066ff', '#6A4E53', 'itemText', 'itemText',
 'itemBorder', 'itemBorder');
var consultingM = new ItemStyle(22, 0, '&gt;', -15, 3, '#0066ff', '#7D835D', 'itemText', 'itemText',
 'itemBorder', 'itemBorder');

var pMenu = new PopupMenu('pMenu');
with (pMenu)
{
startMenu('root', true, 8, 170, 135, hBar);
addItem('&nbsp; Home', 'http://www.jamestownpublicschools.org/index.php', '');
addItem('&nbsp; District Calendar', 'http://www.jamestownpublicschools.org/cal_school/index.php', '');
addItem('&nbsp; The Schools', 'mJPS', 'sm:');
addItem('&nbsp; Departments', 'mDEPS', 'sm:');
addItem('&nbsp; Virtual Library', 'mVL', 'sm:');




addItem('&nbsp; About JPS', 'http://www.jamestownpublicschools.org/index.php/AboutJPS', '');
addItem('&nbsp; Administration', 'http://www.jamestownpublicschools.org/index.php/AdministrationPage', '');
addItem('&nbsp; Board of Education', 'http://www.jamestownpublicschools.org/index.php/BoardPage', '');
addItem('&nbsp; Staff Development', 'http://www.jamestownpublicschools.org/index.php/ProfessionalDevelopment', '');

addItem('&nbsp; Human Resources', 'http://www.jamestownpublicschools.org/index.php/HumanResources', '');
addItem('&nbsp; Pupil Services', 'http://www.jamestownpublicschools.org/index.php/AboutJPSPupilPersonnelServices', '');

addItem('&nbsp; Alumni', 'http://www.jamestownpublicschools.org/index.php/AlumniPage', '');
addItem('&nbsp; Links', 'http://www.jamestownpublicschools.org/index.php/LinksPage', '');
addItem('&nbsp; Food Service', 'http://www.jamestownpublicschools.org/index.php/FoodService', '');
addItem('&nbsp; Athletics', 'http://www.jamestownpublicschools.org/index.php/AthleticsPage', '');
addItem('&nbsp; Public Relations', 'http://www.jamestownpublicschools.org/index.php/PublicRelations', '');


startMenu('mJPS', true, 135, 0, 100, subM);
addItem('&nbsp; Elementary', 'mElementary', 'sm:');
addItem('&nbsp; Middle', 'mMiddle', 'sm:');
addItem('&nbsp; High', 'mHigh', 'sm:');


startMenu('mElementary', true, 100, 0, 100, subM);
addItem('&nbsp; Bush', 'http://www.jamestownpublicschools.org/bush/index.php/BushIntro', '', hostingM);
addItem('&nbsp; Fletcher', 'http://www.jamestownpublicschools.org/fletcher/index.php/FletcherIntro', '', rapidwebM);
addItem('&nbsp; Lincoln', 'http://www.jamestownpublicschools.org/lincoln/index.php/LincolnIntro', '', consultingM);
addItem('&nbsp; Love', 'http://www.jamestownpublicschools.org/love/index.php/LoveIntro', '', designM);
addItem('&nbsp; Ring', 'http://www.jamestownpublicschools.org/ring/index.php/RingIntro', '', supportM);
addItem('&nbsp; Rogers', 'http://www.jamestownpublicschools.org/rogers/index.php/RogersIntro', '', ecommerceM);

startMenu('mMiddle', true, 100, 0, 100, subM);
addItem('&nbsp; Jefferson', 'http://www.jamestownpublicschools.org/jefferson/index.php/JeffersonIntro', '', hostingM);
addItem('&nbsp; Persell', 'http://www.jamestownpublicschools.org/persell/index.php/PersellIntro', '', designM);
addItem('&nbsp;Washington', 'http://www.jamestownpublicschools.org/washington/index.php/WashingtonIntro', '', rapidwebM);

startMenu('mHigh', true, 100, 0, 100, subM);
addItem('&nbsp; Jamestown', 'http://www.jamestownpublicschools.org/highschool/index.php/HighSchoolIntro', '', hostingM);

startMenu('mDEPS', true, 135, 0, 250, subM);
addItem('&nbsp; English', 'http://www.jamestownpublicschools.org/index.php/EnglishDepartment', '');
addItem('&nbsp; Math', 'http://www.jamestownpublicschools.org/MathDepartment/Index.html', '');
addItem('&nbsp; Social Studies/History', 'http://www.jamestownpublicschools.org/index.php/SocialStudies', '');
addItem('&nbsp; Science', 'http://www.jamestownpublicschools.org/index.php/SciencePage', '');
addItem('&nbsp; Business', 'http://www.jamestownpublicschools.org/highschool/design/businessdept/index.html', '');
addItem('&nbsp; World Languages', 'http://www.jamestownpublicschools.org/index.php/WorldLanguages', '');
addItem('&nbsp; Phys Ed, Health, Consumer Sciences', 'http://www.jamestownpublicschools.org/index.php/PhysEdHealthConsumerSciences', '');
addItem('&nbsp; Library Media Centers', 'http://www.jamestownpublicschools.org/index.php/LibraryMediaCenters', '');
addItem('&nbsp; Fine & Performing Arts', 'http://www.jamestownpublicschools.org/index.php/FinePerformingArts', '');
addItem('&nbsp; Guidance', 'http://www.jamestownpublicschools.org/index.php/Guidance', '');
addItem('&nbsp; Athletics', 'http://www.jamestownpublicschools.org/index.php/AthleticsPage', '');



startMenu('mVL', true, 135, 0, 100, subM);
addItem('&nbsp; Bush', 'http://www.jamestownpublicschools.org/bush/index.php/BushVirtualLibrary', '');
addItem('&nbsp; Fletcher', 'http://www.jamestownpublicschools.org/fletcher/index.php/FletcherVirtualLibrary', '');
addItem('&nbsp; Lincoln', 'http://www.jamestownpublicschools.org/lincoln/index.php/LincolnVirtualLibrary', '');
addItem('&nbsp; Love', 'http://www.jamestownpublicschools.org/love/index.php/LoveVirtualLibrary', '');
addItem('&nbsp; Ring', 'http://www.jamestownpublicschools.org/ring/index.php/RingVirtualLibrary', '');
addItem('&nbsp; Rogers', 'http://www.jamestownpublicschools.org/rogers/index.php/RogersVirtualLibrary', '');
addItem('&nbsp; ------', '#', '');
addItem('&nbsp; Jefferson', 'http://www.jamestownpublicschools.org/jefferson/index.php/JeffersonVirtualLibrary', '');
addItem('&nbsp; Persell', 'http://www.jamestownpublicschools.org/persell/index.php/PersellVirtualLibrary', '');
addItem('&nbsp; Washington', 'http://www.jamestownpublicschools.org/washington/index.php/WashingtonVirtualLibrary', '');
addItem('&nbsp; ------', '#', '');
addItem('&nbsp; JHS', 'http://www.jamestownpublicschools.org/highschool/index.php/JHSVirtualLibrary', '');

}


 popOldOL = window.onload;

window.onload = new Function('if (popOldOL) popOldOL(); updateVars(); pMenu.update()');
window.onresize = new Function('ns4BugCheck(); updateVars(); pMenu.position()');
window.onscroll = new Function('updateVars(); pMenu.position()');

if (isNS4) document.captureEvents(Event.CLICK);
document.onclick = new Function('evt', 'pMenu.click(); ' +
 'if (isNS4) return document.routeEvent(evt)');

var winWidth, winHeight, scrollYpos, scrollXpos;
function updateVars()
{
 winWidth = (isIE ? document.body.clientWidth : window.innerWidth);
 winHeight = (isIE ? document.body.clientHeight : window.innerHeight);
 scrollYpos = (isIE ? document.body.scrollTop : window.pageYOffset);
 scrollXpos = (isIE ? document.body.scrollLeft : window.pageXOffset);
}

var origWinWidth = window.innerWidth;
function ns4BugCheck()
{
 if (isNS4 && origWinWidth != window.innerWidth) location.reload()
}

if (!isIE) setInterval('if (scrollYpos!=pageYOffset || scrollXpos!=pageYOffset) ' +
 'window.onscroll()', 50);