//Dropdown flyout menu functions
function setUpNavDivs() {
    for(var i=0;i<allDivs.length;i++) {
        if (allDivs[i].className == 'navDiv') {
            allDivs[i].setAttribute("id", 'navDiv_' + i);
            allNavs.push('navDiv_' + i);
            // assumes that the layout is consistent, with 
            // a positioning div around the nav div
            tmpThing = allDivs[i].parentNode;
            //flyout menus positioning
            if (tmpThing.className != 'stopHere') {
                tmpThingTwo = node_before(tmpThing);
                allDivs[i].style.left = (tmpThingTwo.offsetWidth - pullIn) + 'px';
                allDivs[i].style.top = '-' + Math.floor(((tmpThingTwo.offsetHeight/2) + pullUp)) + 'px';
                //debugging code
                //if there is an element in the page with id of 'heyYou' your debugging code will appear here
                if(document.getElementById('heyYou')) {
                    document.getElementById('heyYou').innerHTML += 'tmpThingTwo offsetWidth: ' + tmpThingTwo.offsetWidth + '\n';
                    document.getElementById('heyYou').innerHTML += 'tmpThingTwo offsetHeight: ' + Math.floor(((tmpThingTwo.offsetHeight/2) + pullUp)) + '\n';
                }
            }
        }
        if (allDivs[i].className == 'sideNavDiv') {
            sideNavs.push(allDivs[i]);
        }
    }


    //when page loads navDivs are display: block visibility: hidden - otherwise we can't measure them. This sets them to display: none visibility: visible and display is toggled on mouseover.
    for(var i=0;i<allDivs.length;i++) {
        if (allDivs[i].className == 'navDiv') {
            allDivs[i].style.display='none';
            allDivs[i].style.visibility='visible';
        }
    }
}

function waitASec(elem) {
    window.clearTimeout(winTimer);
    //winTimer = window.setTimeout("clearAll()", 1000);
    winTimer = window.setTimeout("clearAll()", 500);
    if(document.getElementById('heyYou')) {
        document.getElementById('heyYou').innerHTML += 'waitASec setting timer\n';
        document.getElementById('heyYou').innerHTML += elem + ' ' + elem.id + '\n';
    }
}

function clearAll() {
    window.clearTimeout(winTimer);
    if(document.getElementById('heyYou')) {
        document.getElementById('heyYou').innerHTML += 'clearAll clearing timer\n';
    }
    notThese = [];
    for(var i=0;i<allNavs.length;i++) {
        document.getElementById(allNavs[i]).style.display='none';
    }
}

function showAfter(elem) {
    var walkOut = "";
    var thisNode = "";
    var mySib;
    var myChild;
    var prevSib;
    var m;
    if(document.getElementById('heyYou')) {
        document.getElementById('heyYou').innerHTML += '\nshowAfter ' + elem + '\n';
    }
    window.clearTimeout(winTimer);
    notThese = [];
    thisElem = elem;
    if (elem) {
        mySib = node_after(elem);
        // catch the main ones
        if (mySib && (mySib.className == 'stopHere' || !mySib.className)) {
            // get the first child of that div
            mySib = first_child(mySib);
        }

        if (mySib) {
            if (mySib.tagName.toLowerCase() == 'div' && mySib.className == 'navDiv') {
                if(document.getElementById('heyYou')) {
                    document.getElementById('heyYou').innerHTML += 'mySib ' + mySib.id + '\n';
                }
                mySib.style.display='block';
                mySib.style.visibliity='visible';
                notThese.push(mySib.id);
            }
        }
        walkOut = elem.parentNode;
        if(document.getElementById('heyYou')) {
            document.getElementById('heyYou').innerHTML += 'walkOut parent: ' + walkOut.id + '\n';
        }
        if (walkOut && walkOut.className == "navDiv" && walkOut.className != 'stopHere') {
            walkOut.style.display='block';
            walkOut.style.visibliity='visible';
            notThese.push(walkOut.id);
            prevSib = node_before(walkOut);
        }
        while(walkOut && walkOut.className != 'stopHere') {
            walkOut = walkOut.parentNode;
            if (walkOut && walkOut.className != 'stopHere' && walkOut.className == 'navDiv') {
                if(document.getElementById('heyYou')) {
                    document.getElementById('heyYou').innerHTML += 'walkOut ' + walkOut.id + '\n';
                }
                walkOut.style.display='block';
                walkOut.style.visibliity='visible';
                notThese.push(walkOut.id);
            }
        }
    }
    clearIt();
}

function clearIt() {
    window.clearTimeout(winTimer);
    if(document.getElementById('heyYou')) {
        document.getElementById('heyYou').innerHTML += 'clearIt clearing timer\n';
    }
    for(var i=0;i<allNavs.length;i++) {
        if (inArray(allNavs[i], notThese)) {
            document.getElementById(allNavs[i]).style.display='block';
            if(document.getElementById('heyYou')) {
                document.getElementById('heyYou').innerHTML += allNavs[i] + ' is in notThese -- setting block\n';
            }
        }
        else {
            document.getElementById(allNavs[i]).style.display='none';
            if(document.getElementById('heyYou')) {
                document.getElementById('heyYou').innerHTML += allNavs[i] + ' is not in in notThese -- setting none\n';
            }
        }
    }
}