/***********************************************************************************************

Copyright (c) 2005 - Alf Magne Kalleland post@dhtmlgoodies.com

Get this and other scripts at www.dhtmlgoodies.com

You can use this script freely as long as this copyright message is kept intact.

***********************************************************************************************/
var menuAlignment = 'left'; // Align menu to the left or right? 
var topMenuSpacer = 0; // 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 = true;  // 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 = false; // Set it to true if you want to be able to save active tab as cookie

var MSIE = navigator.userAgent.indexOf('MSIE')>=0?true:false;
var Opera = navigator.userAgent.indexOf('Opera')>=0?true:false;
var navigatorVersion = navigator.appVersion.replace(/.*?MSIE ([0-9]\.[0-9]).*/g,'$1')/1;

/*
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(/[^0-9]/g,'');
document.getElementById('submenu_'+theId).style.display='none';
var img = activeMenuItem.getElementsByTagName('IMG');
if(img.length>0)img[0].style.display='none'; 
}

var img = this.getElementsByTagName('IMG');
if(img.length>0)img[0].style.display='inline';

activeMenuItem = this; 
this.className = 'activeMenuItem';
var theId = this.id.replace(/[^0-9]/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 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(/[^0-9]/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].onmouseover = showHide;
menuItems[no].id = 'mainMenuItem' + (no+1);
if(menuAlignment=='left')
menuItems[no].style.left = currentLeftPos + 'px';
else
menuItems[no].style.right = currentLeftPos + 'px';
currentLeftPos = currentLeftPos + menuItems[no].offsetWidth + topMenuSpacer; 

var img = menuItems[no].getElementsByTagName('IMG');
if(img.length>0){
img[0].style.display='none';
if(MSIE && !Opera && navigatorVersion<7){
img[0].style.bottom = '-1px';
img[0].style.right = '-1px';
}
}

if(no==activeTabIndex){
menuItems[no].className='activeMenuItem';
activeMenuItem = menuItems[no];
var img = activeMenuItem.getElementsByTagName('IMG');
if(img.length>0)img[0].style.display='inline'; 

}else menuItems[no].className='inactiveMenuItem';
if(!document.all)menuItems[no].style.bottom = '-1px';
if(MSIE && navigatorVersion < 6)menuItems[no].style.bottom = '-2px';


} 

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';
}

    function checkJavaScript() 
    {
        //document.getElementById("jsEnabled").style.visibility = 'visible';
        //document.getElementById("jsEnabled").style.display = 'block';
        
        //document.getElementById("jsDisabled").style.visibility = 'hidden';
        //document.getElementById("jsDisabled").style.display = 'none';
    }