var isDOM = (document.getElementById ? true : false);
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
function getRef(id) {
if (isDOM) return document.getElementById(id);
if (isIE4) return document.all[id];
if (isNS4) return document.layers[id];}
function getSty(id) {
return (isNS4 ? getRef(id) : getRef(id).style);
}
// Hide timeout.
var popTimer = 0;
// Array showing highlighted menu items.
var litNow = new Array();
function popOver(menuNum, itemNum) {
clearTimeout(popTimer);
hideAllBut(menuNum);
litNow = getTree(menuNum, itemNum);
changeCol(litNow, true);
targetNum = menu[menuNum][itemNum].target;
if (targetNum > 0) {
thisX = parseInt(menu[menuNum][0].ref.left) + parseInt(menu[menuNum][itemNum].ref.left);
thisY = parseInt(menu[menuNum][0].ref.top) + parseInt(menu[menuNum][itemNum].ref.top);
with (menu[targetNum][0].ref) {
left = parseInt(thisX + menu[targetNum][0].x);
top = parseInt(thisY + menu[targetNum][0].y);
visibility = 'visible';
      }
   }
}
function popOut(menuNum, itemNum) {
if ((menuNum == 0) && !menu[menuNum][itemNum].target)
hideAllBut(0)
else
popTimer = setTimeout('hideAllBut(0)', 500);
}
function getTree(menuNum, itemNum) {
itemArray = new Array(menu.length);
while(1) {
itemArray[menuNum] = itemNum;
// If we've reached the top of the hierarchy, return.
if (menuNum == 0) return itemArray;
itemNum = menu[menuNum][0].parentItem;
menuNum = menu[menuNum][0].parentMenu;

   }
}
function changeCol(changeArray, isOver) {
for (menuCount = 0; menuCount < changeArray.length; menuCount++) {
if (changeArray[menuCount]) {
newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;
// Change the colours of the div/layer background.
with (menu[menuCount][changeArray[menuCount]].ref) {
if (isNS4) bgColor = newCol;
else backgroundColor = newCol;
         }
      }
   }
}
function hideAllBut(menuNum) {
var keepMenus = getTree(menuNum, 1);
for (count = 0; count < menu.length; count++)
if (!keepMenus[count])
menu[count][0].ref.visibility = 'hidden';
changeCol(litNow, false);
}
function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) {
this.isVert = isVert;
this.popInd = popInd
this.x = x;
this.y = y;
this.width = width;
this.overCol = overCol;
this.backCol = backCol;
this.borderClass = borderClass;
this.textClass = textClass;
this.parentMenu = null;
this.parentItem = null;
this.ref = null;
}
function Item(text, href, frame, length, spacing, target) {
this.text = text;
this.href = href;
this.frame = frame;
this.length = length;
this.spacing = spacing;
this.target = target;
// Reference to the object's style properties (set later).
this.ref = null;
}
function writeMenus() {
    if (!isDOM && !isIE4 && !isNS4) return;
    for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) {
        var str = '', itemX = 0, itemY = 0;
        for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) {
        var itemID = 'menu' + currMenu + 'item' + currItem;
        var w = (isVert ? width : length);
        var h = (isVert ? length : width);
        if (isDOM || isIE4) {
            str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
            if (backCol) str += 'background: ' + backCol + '; ';
            str += '" ';
        }
        if (isNS4) {
            str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' + w + '" height="' + h + '" visibility="inherit" ';
            if (backCol) str += 'bgcolor="' + backCol + '" ';
        }
        if (borderClass) str += 'class="' + borderClass + '" ';
        str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';
        str += '<table width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr><td align="left" height="' + (h - 7) + '">';
        str += '<a class="' + textClass + '" href="';
        if (href.length > 0)
        {
            str += href;
        }
        str += '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a></td>';
        if (target > 0) {
            menu[target][0].parentMenu = currMenu;
            menu[target][0].parentItem = currItem;
            if (popInd) str += '<td class="' + textClass + '" align="right">' + popInd + '</td>';
        }
        str += '</tr></table>' + (isNS4 ? '</layer>' : '</div>');
        if (isVert) itemY += length + spacing;
        else itemX += length + spacing;
        }
        if (isDOM) {
            var newDiv = document.createElement('div');

document.getElementsByTagName('body').item(0).appendChild(newDiv);
            newDiv.innerHTML = str;
            ref = newDiv.style;
            ref.position = 'absolute';
            ref.visibility = 'hidden';
            //alert(newDiv.innerHTML);
        }
        if (isIE4) {
            document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
            ref = getSty('menu' + currMenu + 'div');
        }
        if (isNS4) {
            ref = new Layer(0);
            ref.document.write(str);
            ref.document.close();
        }
        for (currItem = 1; currItem < menu[currMenu].length; currItem++) {
            itemName = 'menu' + currMenu + 'item' + currItem;
            if (isDOM || isIE4) menu[currMenu][currItem].ref = getSty(itemName);
            if (isNS4) menu[currMenu][currItem].ref = ref.document[itemName];
        }
        ref.left = x;
        ref.top = y;
    }
    with(menu[0][0]) {
    ref.visibility = 'visible';
    }
}

var menu = new Array();
var defOver = '#CFCFDB', defBack = '#FFFFFF';
var defLength = 30;
menu[0] = new Array();
menu[0][0] = new Menu(false, '', 25, 120, 24, '', '', 'topNavCategory', 'topNav');
menu[0][1] = new Item('   ABOUT DRC', '#', '', 135, 5, 1);
menu[0][2] = new Item('   PROGRAMS', '#', '', 135, 5, 2);
menu[0][3] = new Item('   PUBLICATIONS', '#', '', 150, 5, 3);
menu[0][4] = new Item('   NEWS', '/news.asp', '', 125, 5, 0);
menu[0][5] = new Item('   BIIN', '/biin.asp', '', 125, 5, 0);
menu[0][6] = new Item('   LINKS', '/drcme.asp?pageid=4', '', 125, 5, 0);
menu[0][7] = new Item('   CALENDAR', '/calendar.asp', '', 125, 0, 0);

menu[1] = new Array();
menu[1][0] = new Menu(true, '', 1, 24, 158, defOver, defBack, 'itemBorder', 'itemText');
menu[1][1] = new Item('Mission', '/drcme.asp?pageid=6', '', 22, 0, 0);
menu[1][2] = new Item('Contact Us', '/drcme.asp?pageid=1', '', 22, 0, 0);
menu[1][3] = new Item('Staff', '/drcme.asp?pageid=2', '', 22, 0, 0);
menu[1][4] = new Item('Funding Sources', '/drcme.asp?pageid=3', '', 22, 0, 0);
menu[1][5] = new Item('Sponsors', '/drcme.asp?pageid=5', '', 22, 0, 0);

menu[2] = new Array();
menu[2][0] = new Menu(true, '', 1, 24, 168, defOver, defBack, 'itemBorder', 'itemText');
menu[2][1] = new Item('DRC Priorities', '/priorities.asp', '', 22, 0, 0);
menu[2][2] = new Item('Programs & Eligibility', '/eligibility.asp', '', 44, 0, 0);
menu[2][3] = new Item('Case Selection Criteria', '/caseselection.asp', '', 44, 0, 0);

menu[3] = new Array();
menu[3][0] = new Menu(true, '', 1, 24, 148, defOver, defBack, 'itemBorder', 'itemText');
menu[3][1] = new Item('Decisions', '/publications.asp?pubcat=1', '', 22, 0, 0);
menu[3][2] = new Item('Handbooks', '/publications.asp?pubcat=2', '', 22, 0, 0);
menu[3][3] = new Item('Newsletters', '/publications.asp?pubcat=4', '', 22, 0, 0);
menu[3][4] = new Item('Annual Reports', '/publications.asp?pubcat=5', '', 22, 0, 0);

menu[4] = new Array();
menu[4][0] = new Menu(true, '', 1, 24, 148, defOver, defBack, 'itemBorder', 'itemText');
menu[4][1] = new Item('Links', '/drcme.asp?pageid=4', '', 22 , 0, 0);

menu[5] = new Array();
menu[5][0] = new Menu(true, '', 1, 24, 148, defOver, defBack, 'itemBorder', 'itemText');
menu[5][1] = new Item('News', '/news.asp', '', 22, 0, 0);

menu[6] = new Array();
menu[6][0] = new Menu(true, '', 1, 24, 148, defOver, defBack, 'itemBorder', 'itemText');
menu[6][1] = new Item('Calendar', '/calendar.asp', '', 22 , 0, 0);

