var topMenuSpacer = 15; // Horizontal space(pixels) between the main menu items
var activateSubOnClick = false; // if true-> Show sub menu items on click, if false, show submenu items onmouseover
var leftAlignSubItems = false; // left align sub items t
var activeMenuItem = false; // Don't change this option. It should initially be false
var activeTabIndex = 0; // Index of initial active tab (0 = first tab) - If the value below is set to true, it will override this one.
var rememberActiveTabByCookie = true; // Set it to true if you want to be able to save active tab as cookie

/*
These cookie functions are downloaded from
http://www.mach5.com/support/analyzer/manual/html/General/CookiesJavaScript.htm
*/
function Get_Cookie(name) {
var start = document.cookie.indexOf(name+"=");
var len = start+name.length+1;
if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
if (start == -1) return null;
var end = document.cookie.indexOf(";",len);
if (end == -1) end = document.cookie.length;
return unescape(document.cookie.substring(len,end));
}
// This function has been slightly modified
function Set_Cookie(name,value,expires,path,domain,secure) {
expires = expires * 60*60*24*1000;
var today = new Date();
var expires_date = new Date( today.getTime() + (expires) );
var cookieString = name + "=" +escape(value) +
( (expires) ? ";expires=" + expires_date.toGMTString() : "") +
( (path) ? ";path=" + path : "") +
( (domain) ? ";domain=" + domain : "") +
( (secure) ? ";secure" : "");
document.cookie = cookieString;
}

function showHide()
{
if(activeMenuItem){
activeMenuItem.className = 'inactiveMenuItem';
var theId = activeMenuItem.id.replace(/[^\d]/g,'');
document.getElementById('submenu_'+theId).style.display='none';
}


activeMenuItem = this;
this.className = 'activeMenuItem';
var theId = this.id.replace(/[^\d]/g,'');
document.getElementById('submenu_'+theId).style.display='block';

if(rememberActiveTabByCookie){
Set_Cookie('dhtmlgoodies_tab_menu_tabIndex','index: ' + (theId-1),100);
}
}

function initMenu()
{
var mainMenuObj = document.getElementById('mainMenu');
var subMenuObj = document.getElementById('submenu'); //DD added line
mainMenuObj.style.visibility=subMenuObj.style.visibility="visible" //DD added line
var menuItems = mainMenuObj.getElementsByTagName('A');
if(document.all){
mainMenuObj.style.visibility = 'hidden';
document.getElementById('submenu').style.visibility='hidden';
}
if(rememberActiveTabByCookie){
var cookieValue = Get_Cookie('dhtmlgoodies_tab_menu_tabIndex') + '';
cookieValue = cookieValue.replace(/[^\d]/g,'');
if(cookieValue.length>0 && cookieValue<menuItems.length){
activeTabIndex = cookieValue/1;
}
}

var currentLeftPos = 15;
for(var no=0;no<menuItems.length;no++){
if(activateSubOnClick)menuItems[no].onclick = showHide; else menuItems[no].onclick = showHide;
menuItems[no].id = 'mainMenuItem' + (no+1);
menuItems[no].style.left = currentLeftPos + 'px';
currentLeftPos = currentLeftPos + menuItems[no].offsetWidth + topMenuSpacer;
if(no==activeTabIndex){
menuItems[no].className='activeMenuItem';
activeMenuItem = menuItems[no];
}else menuItems[no].className='inactiveMenuItem';
if(!document.all)menuItems[no].style.bottom = '-1px';

}

var mainMenuLinks = mainMenuObj.getElementsByTagName('A');

var subCounter = 1;
var parentWidth = mainMenuObj.offsetWidth;
while(document.getElementById('submenu_' + subCounter)){
var subItem = document.getElementById('submenu_' + subCounter);

if(leftAlignSubItems){
// No action
}else{
var leftPos = mainMenuLinks[subCounter-1].offsetLeft;
document.getElementById('submenu_'+subCounter).style.paddingLeft = leftPos + 'px';
subItem.style.position ='absolute';
if(subItem.offsetWidth > parentWidth){
leftPos = leftPos - Math.max(0,subItem.offsetWidth-parentWidth);
}
subItem.style.paddingLeft = leftPos + 'px';
subItem.style.position ='static';


}
if(subCounter==(activeTabIndex+1)){
subItem.style.display='block';
}else{
subItem.style.display='none';
}

subCounter++;
}
if(document.all){
mainMenuObj.style.visibility = 'visible';
document.getElementById('submenu').style.visibility='visible';
}
document.getElementById('submenu').style.display='block';
}
window.onload = initMenu;