// global collection containing all menus on current page
var LA_MENUS = [];
var ItemCollection;
var LeftitemTop=0;
var i_top = 0;
// --------------------------------------------------------------------------------
// menu class
function Leftmenu (a_items, a_tpl) {
// browser check
if (!document.body || !document.body.style){
return;
}
// store items structure
this.Lefta_config = a_items;
// store template structure
this.a_tpl = a_tpl;
// get menu id
this.Leftn_id = LA_MENUS.length;
// declare collections
this.a_index = [];
this.Lefta_children = [];
// assigh methods and event handlers
this.expand = Leftmenu_expand;
this.collapse = Leftmenu_collapse;
this.onclick = Leftmenu_onclick;
this.onmouseout = Leftmenu_onmouseout;
this.onmouseover = Leftmenu_onmouseover;
this.onmousedown = Leftmenu_onmousedown;
// default level scope description structure
this.a_tpl_def = {
'block_top' : 116,
'block_left' : 16,
'top' : 20,
'left' : 4,
'width' : 120,
'height' : 40,
'hide_delay' : 0,
'expd_delay' : 0,
'css' : {
'Linner' : '',
'Louter' : ''
}
};
// assign methods and properties required to imulate parent item
this.getprop = function (s_key) {
return this.a_tpl_def[s_key];
};
this.o_root = this;
this.n_depth = -1;
this.n_x = 0;
this.n_y = 0;
// init items recursively
for (Leftn_order = 0; Leftn_order < a_items.length; Leftn_order++){
new Leftmenu_item(this, Leftn_order);
}
// register self in global collection
LA_MENUS[this.Leftn_id] = this;
// make root level visible
for (var Leftn_order = 0; Leftn_order < this.Lefta_children.length; Leftn_order++){
this.Lefta_children[Leftn_order].e_oelement.style.visibility = 'visible';//Making the Root Level Element Visible
var childCollection= this.Lefta_children[Leftn_order].Lefta_children;//Finding out the children each of the root level element
if (childCollection != null)
{
var total_Height=0;
for (var y = 0; y < childCollection.length; y++) {
var o_curritemY, o_currLeftitemHeight;
o_curritemY = childCollection[y];
total_Height = total_Height + o_curritemY.e_oelement.style.height;
}
var o_item1 = childCollection[0];
var o_LeftitemTop = o_item1.e_oelement.style.top;
o_LeftitemTop = o_LeftitemTop.substring(0,o_LeftitemTop.indexOf("px"));
var o_item_Position=parseInt(o_LeftitemTop) + parseInt(total_Height);
var diff = o_item_Position - (document.body.offsetHeight - 48) ;
if( diff > 0)
{
for (var x = 0; x < childCollection.length; x++) {
var o_curritemX = childCollection[x];
var o_currLeftitemTop = o_curritemX.e_oelement.style.top;
o_currLeftitemTop = o_currLeftitemTop.substring(0,o_currLeftitemTop.indexOf("px"));
o_curritemX.e_oelement.style.top = (parseInt(o_currLeftitemTop) - parseInt(diff)) + "px";
}
}
}
}
}
// --------------------------------------------------------------------------------
function Leftmenu_collapse (Leftn_id) {
// cancel item open delay
clearTimeout(this.o_showtimer);
// by default collapse to root level
var n_tolevel = (Leftn_id ? this.a_index[Leftn_id].n_depth : 0);
// hide all items over the level specified
for (Leftn_id = 0; Leftn_id < this.a_index.length; Leftn_id++) {
var o_curritem = this.a_index[Leftn_id];
if (o_curritem.n_depth > n_tolevel && o_curritem.b_visible) {
o_curritem.e_oelement.style.visibility = 'hidden';
if(document.all["day_num"]){
var day_numCtrl=document.all["day_num"];
day_numCtrl.style.visibility = 'visible';
}
o_curritem.b_visible = false;
}
}
// reset current item if mouse has gone out of items
if (!Leftn_id)
this.o_current = null;
}
// --------------------------------------------------------------------------------
function Leftmenu_expand (Leftn_id) {
var scrollAmount=0;
// expand only when mouse is over some menu item
if (this.o_hidetimer)
return;
// lookup current item
var o_item = this.a_index[Leftn_id];
// close previously opened items
if (this.o_current && this.o_current.n_depth >= o_item.n_depth)
this.collapse(o_item.Leftn_id);
this.o_current = o_item;
// exit if there are no children to open
if (!o_item.Lefta_children)
return;
var childCollection= o_item.Lefta_children;//Finding out the children each of the root level element
var total_Height=0;
for (var y = 0; y < childCollection.length; y++) {
var o_curritemY, o_currLeftitemHeight;
o_curritemY = childCollection[y];
o_currLeftitemHeight = o_curritemY.e_oelement.style.height;
o_currLeftitemHeight =o_currLeftitemHeight.substring(0,o_currLeftitemHeight.indexOf("px"));
total_Height = total_Height + parseInt(o_currLeftitemHeight);
}
var o_item1 = childCollection[0];
var o_LeftitemTop = o_item.e_oelement.style.top;
o_LeftitemTop = o_LeftitemTop.substring(0,o_LeftitemTop.indexOf("px"));
var o_item_Position=parseInt(o_LeftitemTop) + parseInt(total_Height);
var diff = o_item_Position - (document.body.offsetHeight - 48) ;
if( diff >= 0)
{
for (var x = 0; x < childCollection.length; x++) {
var o_prevItem, o_prevItemHt, o_curritemX, o_currLeftitemTop, o_prevLeftitemTop;
if( x!=0){
o_prevItem = childCollection[x - 1];
o_prevLeftitemTop = o_prevItem.e_oelement.style.top;
o_prevLeftitemTop = o_prevLeftitemTop.substring(0,o_prevLeftitemTop.indexOf("px"));
o_prevItemHt = o_prevItem.e_oelement.style.height;
o_prevItemHt = o_prevItemHt.substring(0,o_prevItemHt.indexOf("px"));
o_curritemX = childCollection[x];
o_currLeftitemTop = (parseInt(o_prevLeftitemTop) + parseInt(o_prevItemHt)) + "px";;
o_curritemX.e_oelement.style.top = o_currLeftitemTop;
}
else{
o_curritemX = childCollection[x];
o_currLeftitemTop =o_item.e_oelement.style.top;
o_currLeftitemTop = o_currLeftitemTop.substring(0,o_currLeftitemTop.indexOf("px"));
if(document.body.scrollTop > 0){
var z = parseInt(o_currLeftitemTop) - parseInt(diff) + parseInt(document.body.scrollTop);
if(z >= o_currLeftitemTop){
o_curritemX.e_oelement.style.top = o_item.e_oelement.style.top;
}
else{
o_curritemX.e_oelement.style.top = z +"px";
}
}
else{
o_curritemX.e_oelement.style.top = (parseInt(o_currLeftitemTop) - parseInt(diff) ) + "px";
}
}
}
}
else
{
var tempTop = o_item.e_oelement.style.top;
for (var x = 0; x < childCollection.length; x++) {
var o_prevItem, o_prevLeftitemTop, o_curritemZ = childCollection[x];
if( x!=0){
o_prevItem = childCollection[x - 1];
o_prevLeftitemTop = o_prevItem.e_oelement.style.top;
o_prevLeftitemTop = o_prevLeftitemTop.substring(0,o_prevLeftitemTop.indexOf("px"));
o_prevItemHt = o_prevItem.e_oelement.style.height;
o_prevItemHt = o_prevItemHt.substring(0,o_prevItemHt.indexOf("px"));
o_curritemZ = childCollection[x];
o_currLeftitemTop = (parseInt(o_prevLeftitemTop) + parseInt(o_prevItemHt)) + "px";
o_curritemZ.e_oelement.style.top = o_currLeftitemTop;
}
else{
o_curritemZ.e_oelement.style.top = tempTop;
}
}
}
var txtLevel1Elm = o_item.e_oelement.innerHTML;
var toBeHidden='No';
if((txtLevel1Elm.indexOf("About Us")>0) || (txtLevel1Elm.indexOf("Offerings")>0) || (txtLevel1Elm.indexOf("Industry Solutions")>0) || (txtLevel1Elm.indexOf("Our Clients")>0) ){
toBeHidden = 'Yes';
}
else{
toBeHidden = 'No';
}
// show direct child items
for (var Leftn_order = 0; Leftn_order < o_item.Lefta_children.length; Leftn_order++) {
var o_curritem = o_item.Lefta_children[Leftn_order];
o_curritem.e_oelement.style.visibility = 'visible';
if(document.all["day_num"]){
if(toBeHidden == 'Yes'){
var day_numCtrl=document.all["day_num"];
day_numCtrl.style.visibility = 'hidden';
}
else{
var day_numCtrl=document.all["day_num"];
day_numCtrl.style.visibility = 'visible';
}
}
o_curritem.b_visible = true;
}
}
// --------------------------------------------------------------------------------
//
// --------------------------------------------------------------------------------
function Leftmenu_onclick (Leftn_id) {
// don't go anywhere if item has no link defined
return Boolean(this.a_index[Leftn_id].Lefta_config[1]);
}
// --------------------------------------------------------------------------------
function Leftmenu_onmouseout (Leftn_id) {
// lookup new item's object
var o_item = this.a_index[Leftn_id];
// apply rollout
o_item.e_oelement.className = o_item.getstyle(0, 0);
o_item.e_ielement.className = o_item.getstyle(1, 0);
// update status line
o_item.upstatus(7);
// run mouseover timer
this.o_hidetimer = setTimeout('LA_MENUS['+ this.Leftn_id +'].collapse();',
o_item.getprop('hide_delay'));
}
// --------------------------------------------------------------------------------
function Leftmenu_onmouseover (Leftn_id) {
// cancel mouseoute menu close and item open delay
clearTimeout(this.o_hidetimer);
this.o_hidetimer = null;
clearTimeout(this.o_showtimer);
// lookup new item's object
var o_item = this.a_index[Leftn_id];
// update status line
o_item.upstatus();
// apply rollover
o_item.e_oelement.className = o_item.getstyle(0, 1);
o_item.e_ielement.className = o_item.getstyle(1, 1);
// if onclick open is set then no more actions required
if (o_item.getprop('expd_delay') < 0)
return;
// run expand timer
this.o_showtimer = setTimeout('LA_MENUS['+ this.Leftn_id +'].expand(' + Leftn_id + ');',
o_item.getprop('expd_delay'));
}
// --------------------------------------------------------------------------------
// called when mouse button is pressed on menu item
// --------------------------------------------------------------------------------
function Leftmenu_onmousedown (Leftn_id) {
// lookup new item's object
var o_item = this.a_index[Leftn_id];
// apply mouse down style
o_item.e_oelement.className = o_item.getstyle(0, 2);
o_item.e_ielement.className = o_item.getstyle(1, 2);
this.expand(Leftn_id);
// this.items[id].switch_style('onmousedown');
}
// --------------------------------------------------------------------------------
// menu item Class
function Leftmenu_item (o_parent, Leftn_order) {
// store parameters passed to the constructor
this.n_depth = o_parent.n_depth + 1;
this.Lefta_config = o_parent.Lefta_config[Leftn_order + (this.n_depth ? 3 : 0)];
// return if required parameters are missing
if (!this.Lefta_config) return;
// store info from parent item
this.o_root = o_parent.o_root;
this.o_parent = o_parent;
this.Leftn_order = Leftn_order;
// register in global and parent's collections
this.Leftn_id = this.o_root.a_index.length;
this.o_root.a_index[this.Leftn_id] = this;
o_parent.Lefta_children[Leftn_order] = this;
// calculate item's coordinates
var o_root = this.o_root;
a_tpl = this.o_root.a_tpl;
// assign methods
this.getprop = Leftmitem_getprop;
this.getstyle = Leftmitem_getstyle;
this.upstatus = Leftmitem_upstatus;
this.n_x = Leftn_order
? o_parent.Lefta_children[Leftn_order - 1].n_x + this.getprop('left')
: o_parent.n_x + this.getprop('block_left');
this.n_y = Leftn_order
? o_parent.Lefta_children[Leftn_order - 1].n_y + this.getprop('top')
: o_parent.n_y + this.getprop('block_top');
// generate item's HMTL
// alert(this.Lefta_config[0] + "\n"+ this.getstyle(0, 0) );
if(this.getstyle(0, 0)=='lm0l1oout'){//If it is the level 1 item
var itemHeight=0;
if(this.Lefta_config[0].length >= 25){
itemHeight = 14 * Math.ceil(this.Lefta_config[0].length/20) + 9;
}
else{
itemHeight = this.getprop('height') ;
}
if(this.Lefta_config[0]=='e-Learning' || this.Lefta_config[0]=='School Curriculum Support' ){
var lefta_config_SubMenu = 'No' ;
if(this.Lefta_config[2]=='SubMenu')
{
lefta_config_SubMenu = 'Yes';
}
if(lefta_config_SubMenu=='No'){
document.write (
''
+ this.Lefta_config[0] + "
\n"
);
}else{
document.write (
''
+ this.Lefta_config[0] + " >
\n"
);
}
}else{
var lefta_config_SubMenu = 'No' ;
if(this.Lefta_config[2]=='SubMenu')
{
lefta_config_SubMenu = 'Yes';
}
if(lefta_config_SubMenu=='No'){
document.write (
''
+ this.Lefta_config[0] + "
\n"
);
}else{
document.write (
''
+ this.Lefta_config[0] + " >
\n"
);
}
}
if( this.Lefta_config[0].length >= 25){
LeftitemTop = LeftitemTop + itemHeight +8 ;
}
else
{
LeftitemTop = LeftitemTop + 24;
}
}else {
if(this.Lefta_config[0].length>=19)
{
var t=0;
if(this.Lefta_config[0].length >= 19){
t = 14 * Math.ceil(this.Lefta_config[0].length/20) + 8;
}
else{
t = this.getprop('height') ;
}
}
// alert(this.Lefta_config[0]+"\n"+i_top);
if(i_top == 0){
i_top=this.n_y;
}
if(this.Lefta_config[0]=='Locate a Center'){
var lefta_config_SubMenu = 'No' ;
if(this.Lefta_config[2]=='SubMenu')
{
lefta_config_SubMenu = 'Yes';
}
if(lefta_config_SubMenu=='No'){
document.write (
''
+ this.Lefta_config[0] + "
\n"
);
}else{
document.write (
''
+ this.Lefta_config[0] + " >
\n"
);
}
}else{
var lefta_config_SubMenu = 'No' ;
if(this.Lefta_config[2]=='SubMenu')
{
lefta_config_SubMenu = 'Yes';
}
if(lefta_config_SubMenu=='No'){
document.write (
''
+ this.Lefta_config[0] + "
\n"
);
}else{
document.write (
''
+ this.Lefta_config[0] + " >
\n"
);
}
}
if(this.Lefta_config[0].length >= 19){
i_top = i_top + t;
}
else{
i_top = i_top + this.getprop('height') + 2;
}
}
this.e_ielement = document.getElementById('Le' + o_root.Leftn_id + '_' + this.Leftn_id + 'i');
this.e_oelement = document.getElementById('Le' + o_root.Leftn_id + '_' + this.Leftn_id + 'o');
this.b_visible = !this.n_depth;
if (this.Lefta_config.length < 4)
return;
// node specific methods and properties
this.Lefta_children = [];
// init downline recursively
for (var Leftn_order = 0; Leftn_order < this.Lefta_config.length - 3; Leftn_order++){
new Leftmenu_item(this, Leftn_order);
}
}
// --------------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// ------------------------------------------------------------------------------------------
function Leftmitem_getprop (s_key) {
// check if value is defined for current level
var s_value = null,
a_level = this.o_root.a_tpl[this.n_depth];
// return value if explicitly defined
if (a_level)
s_value = a_level[s_key];
// request recursively from parent levels if not defined
return (s_value == null ? this.o_parent.getprop(s_key) : s_value);
}
// --------------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// ------------------------------------------------------------------------------------------
function Leftmitem_getstyle (n_pos, n_state) {
var a_css = this.getprop('css');
var a_oclass = a_css[n_pos ? 'Linner' : 'Louter'];
// same class for all states
if (typeof(a_oclass) == 'string')
return a_oclass;
// inherit class from previous state if not explicitly defined
for (var n_currst = n_state; n_currst >= 0; n_currst--)
if (a_oclass[n_currst])
return a_oclass[n_currst];
}
// ------------------------------------------------------------------------------------------
// updates status bar message of the browser
// ------------------------------------------------------------------------------------------
function Leftmitem_upstatus (b_clear) {
window.setTimeout("window.status=unescape('" + (b_clear
? ''
: (this.Lefta_config[2] && this.Lefta_config[2]['sb']
? escape(this.Lefta_config[2]['sb'])
: escape(this.Lefta_config[0]) + (this.Lefta_config[1]
? ' ('+ escape(this.Lefta_config[1]) + ')'
: ''))) + "')", 10);
}