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

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 = 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

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';
}
/************************************************************************************************************
(C) www.dhtmlgoodies.com, November 2005

This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	

Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.

Thank you!

www.dhtmlgoodies.com
Alf Magne Kalleland

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

var dhtmlgoodies_slideSpeed = 10;	// Higher value = faster
var dhtmlgoodies_timer = 10;	// Lower value = faster

var objectIdToSlideDown = false;
var dhtmlgoodies_activeId = false;
var dhtmlgoodies_slideInProgress = false;
function showHideContent(e,inputId)
{
	if(dhtmlgoodies_slideInProgress)return;
	dhtmlgoodies_slideInProgress = true;
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var answerDiv = document.getElementById('dhtmlgoodies_a' + numericId);

	objectIdToSlideDown = false;
	
	if(!answerDiv.style.display || answerDiv.style.display=='none'){		
		if(dhtmlgoodies_activeId &&  dhtmlgoodies_activeId!=numericId){			
			objectIdToSlideDown = numericId;
			slideContent(dhtmlgoodies_activeId,(dhtmlgoodies_slideSpeed*-1));
		}else{
			
			answerDiv.style.display='block';
			answerDiv.style.visibility = 'visible';
			
			slideContent(numericId,dhtmlgoodies_slideSpeed);
		}
	}else{
		slideContent(numericId,(dhtmlgoodies_slideSpeed*-1));
		dhtmlgoodies_activeId = false;
	}	
}

function slideContent(inputId,direction)
{
	
	var obj =document.getElementById('dhtmlgoodies_a' + inputId);
	var contentObj = document.getElementById('dhtmlgoodies_ac' + inputId);
	height = obj.clientHeight;
	if(height==0)height = obj.offsetHeight;
	height = height + direction;
	rerunFunction = true;
	if(height>contentObj.offsetHeight){
		height = contentObj.offsetHeight;
		rerunFunction = false;
	}
	if(height<=1){
		height = 1;
		rerunFunction = false;
	}

	obj.style.height = height + 'px';
	var topPos = height - contentObj.offsetHeight;
	if(topPos>0)topPos=0;
	contentObj.style.top = topPos + 'px';
	if(rerunFunction){
		setTimeout('slideContent(' + inputId + ',' + direction + ')',dhtmlgoodies_timer);
	}else{
		if(height<=1){
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId){
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,dhtmlgoodies_slideSpeed);				
			}else{
				dhtmlgoodies_slideInProgress = false;
			}
		}else{
			dhtmlgoodies_activeId = inputId;
			dhtmlgoodies_slideInProgress = false;
		}
	}
}
function initShowHideDivs()
{
	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='dhtmlgoodies_question'){
			divs[no].onclick = showHideContent;
			divs[no].id = 'dhtmlgoodies_q'+divCounter;
			var answer = divs[no].nextSibling;
			while(answer && answer.tagName!='DIV'){
				answer = answer.nextSibling;
			}
			answer.id = 'dhtmlgoodies_a'+divCounter;	
			contentDiv = answer.getElementsByTagName('DIV')[0];
			contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px'; 	
			contentDiv.className='dhtmlgoodies_answer_content';
			contentDiv.id = 'dhtmlgoodies_ac' + divCounter;
			answer.style.display='none';
			answer.style.height='1px';
			divCounter++;
		}		
	}	
}