/************************************************************************************************************
(C) www.dhtmlgoodies.com, October 2005

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

Updated:
	March, 11th, 2006 - Fixed positioning of tooltip when displayed near the right edge of the browser.
	April, 6th 2006, Using iframe in IE in order to make the tooltip cover select boxes.

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_tooltip = false;
var dhtmlgoodies_tooltipShadow = false;
var dhtmlgoodies_shadowSize = 0;
var dhtmlgoodies_tooltipMinWidth = 40;
var dhtmlgoodies_tooltipMaxWidth = 212;
var dhtmlgoodies_iframe = false;
var tooltip_is_msie = (navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('opera')==-1 && document.all)?true:false;
function showTooltip(e,tooltipTxt)
{
	var bodyWidth = Math.max(document.body.clientWidth,document.documentElement.clientWidth) - 20;

	if(!dhtmlgoodies_tooltip){
		dhtmlgoodies_tooltip = document.createElement('DIV');
		dhtmlgoodies_tooltip.id = 'dhtmlgoodies_tooltip';
		dhtmlgoodies_tooltipShadow = document.createElement('DIV');
		dhtmlgoodies_tooltipShadow.id = 'dhtmlgoodies_tooltipShadow';

		document.body.appendChild(dhtmlgoodies_tooltip);
		document.body.appendChild(dhtmlgoodies_tooltipShadow);

		if(tooltip_is_msie){
			dhtmlgoodies_iframe = document.createElement('IFRAME');
			dhtmlgoodies_iframe.frameborder='5';
			dhtmlgoodies_iframe.style.backgroundColor='#FFFFFF';
			dhtmlgoodies_iframe.src = '#';
			dhtmlgoodies_iframe.style.zIndex = 100;
			dhtmlgoodies_iframe.style.position = 'absolute';
			document.body.appendChild(dhtmlgoodies_iframe);
		}

	}

	dhtmlgoodies_tooltip.style.display='block';
	dhtmlgoodies_tooltipShadow.style.display='block';
	if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='block';

	var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
	if(navigator.userAgent.toLowerCase().indexOf('safari')>=0)st=0;
	var leftPos = e.clientX + 10;

	dhtmlgoodies_tooltip.style.width = null;	// Reset style width if it's set
	dhtmlgoodies_tooltip.innerHTML = tooltipTxt;
	dhtmlgoodies_tooltip.style.left = leftPos + 'px';
	dhtmlgoodies_tooltip.style.top = e.clientY + 10 + st + 'px';


	dhtmlgoodies_tooltipShadow.style.left =  leftPos + dhtmlgoodies_shadowSize + 'px';
	dhtmlgoodies_tooltipShadow.style.top = e.clientY + 10 + st + dhtmlgoodies_shadowSize + 'px';

	if(dhtmlgoodies_tooltip.offsetWidth>dhtmlgoodies_tooltipMaxWidth){	/* Exceeding max width of tooltip ? */
		dhtmlgoodies_tooltip.style.width = dhtmlgoodies_tooltipMaxWidth + 'px';
	}

	var tooltipWidth = dhtmlgoodies_tooltip.offsetWidth;
	if(tooltipWidth<dhtmlgoodies_tooltipMinWidth)tooltipWidth = dhtmlgoodies_tooltipMinWidth;


	dhtmlgoodies_tooltip.style.width = tooltipWidth + 'px';
	dhtmlgoodies_tooltipShadow.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';
	dhtmlgoodies_tooltipShadow.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';

	if((leftPos + tooltipWidth)>bodyWidth){
		dhtmlgoodies_tooltip.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth)) + 'px';
		dhtmlgoodies_tooltipShadow.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth) + dhtmlgoodies_shadowSize) + 'px';
	}

	if(tooltip_is_msie){
		dhtmlgoodies_iframe.style.left = dhtmlgoodies_tooltip.style.left;
		dhtmlgoodies_iframe.style.top = dhtmlgoodies_tooltip.style.top;
		dhtmlgoodies_iframe.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';
		dhtmlgoodies_iframe.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';

	}

}

function hideTooltip()
{
	dhtmlgoodies_tooltip.style.display='none';
	dhtmlgoodies_tooltipShadow.style.display='none';
	if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='none';
}

var expandFirstItemAutomatically = false;	// Expand first menu item automatically ?
var initMenuIdToExpand = false;	// Id of menu item that should be initially expanded. the id is defined in the <li> tag.
var expandMenuItemByUrl = true;	// Menu will automatically expand by url - i.e. if the href of the menu item is in the current location, it will expand


var initialMenuItemAlwaysExpanded = true;	// NOT IMPLEMENTED YET

var dhtmlgoodies_slmenuObj;
var divToScroll = false;
var ulToScroll = false;
var divCounter = 1;
var otherDivsToScroll = new Array();
var divToHide = false;
var parentDivToHide = new Array();
var ulToHide = false;
var offsetOpera = 0;
if(navigator.userAgent.indexOf('Opera')>=0)offsetOpera=1;
var slideMenuHeightOfCurrentBox = 0;
var objectsToExpand = new Array();
var initExpandIndex = 0;
var alwaysExpanedItems = new Array();

function popMenusToShow()
{
	var obj = divToScroll;
	var endArray = new Array();
	while(obj && obj.tagName!='BODY'){
		if(obj.tagName=='DIV' && obj.id.indexOf('slideDiv')>=0){
			var objFound = -1;
			for(var no=0;no<otherDivsToScroll.length;no++){
				if(otherDivsToScroll[no]==obj){
					objFound = no;
				}
			}
			if(objFound>=0){
				otherDivsToScroll.splice(objFound,1);
			}
		}
		obj = obj.parentNode;
	}
}

function showSubMenu(e,inputObj)
{

	if(this && this.tagName)inputObj = this.parentNode;
	if(inputObj && inputObj.tagName=='LI'){
		divToScroll = inputObj.getElementsByTagName('DIV')[0];
		for(var no=0;no<otherDivsToScroll.length;no++){
			if(otherDivsToScroll[no]==divToScroll)return;
		}
	}
	hidingInProcess = false;
	if(otherDivsToScroll.length>0){
		if(divToScroll){
			if(otherDivsToScroll.length>0){
				popMenusToShow();
			}
			if(otherDivsToScroll.length>0){
				autoHideMenus();
				hidingInProcess = true;
			}
		}
	}
	if(divToScroll && !hidingInProcess){
		divToScroll.style.display='';
		otherDivsToScroll.length = 0;
		otherDivToScroll = divToScroll.parentNode;
		otherDivsToScroll.push(divToScroll);
		while(otherDivToScroll && otherDivToScroll.tagName!='BODY'){
			if(otherDivToScroll.tagName=='DIV' && otherDivToScroll.id.indexOf('slideDiv')>=0){
				otherDivsToScroll.push(otherDivToScroll);

			}
			otherDivToScroll = otherDivToScroll.parentNode;
		}
		ulToScroll = divToScroll.getElementsByTagName('UL')[0];
		if(divToScroll.style.height.replace('px','')/1<=1)scrollDownSub();
	}


}



function autoHideMenus()
{
	if(otherDivsToScroll.length>0){
		divToHide = otherDivsToScroll[otherDivsToScroll.length-1];
		parentDivToHide.length=0;
		var obj = divToHide.parentNode.parentNode.parentNode;
		while(obj && obj.tagName=='DIV'){
			if(obj.id.indexOf('slideDiv')>=0)parentDivToHide.push(obj);
			obj = obj.parentNode.parentNode.parentNode;
		}
		var tmpHeight = (divToHide.style.height.replace('px','')/1 - slideMenuHeightOfCurrentBox);
		if(tmpHeight<0)tmpHeight=0;
		if(slideMenuHeightOfCurrentBox)divToHide.style.height = tmpHeight  + 'px';
		ulToHide = divToHide.getElementsByTagName('UL')[0];
		slideMenuHeightOfCurrentBox = ulToHide.offsetHeight;
		scrollUpMenu();
	}else{
		slideMenuHeightOfCurrentBox = 0;
		showSubMenu();
	}
}


function scrollUpMenu()
{

	var height = divToHide.offsetHeight;
	height-=15;
	if(height<0)height=0;
	divToHide.style.height = height + 'px';

	for(var no=0;no<parentDivToHide.length;no++){
		parentDivToHide[no].style.height = parentDivToHide[no].getElementsByTagName('UL')[0].offsetHeight + 'px';
	}
	if(height>0){
		setTimeout('scrollUpMenu()',5);
	}else{
		divToHide.style.display='none';
		otherDivsToScroll.length = otherDivsToScroll.length-1;
		autoHideMenus();
	}
}

function scrollDownSub()
{
	if(divToScroll){
		var height = divToScroll.offsetHeight/1;
		var offsetMove =Math.min(15,(ulToScroll.offsetHeight - height));
		height = height +offsetMove ;
		divToScroll.style.height = height + 'px';

		for(var no=1;no<otherDivsToScroll.length;no++){
			var tmpHeight = otherDivsToScroll[no].offsetHeight/1 + offsetMove;
			otherDivsToScroll[no].style.height = tmpHeight + 'px';
		}
		if(height<ulToScroll.offsetHeight)setTimeout('scrollDownSub()',5); else {
			divToScroll = false;
			ulToScroll = false;
			if(objectsToExpand.length>0 && initExpandIndex<(objectsToExpand.length-1)){
				initExpandIndex++;

				showSubMenu(false,objectsToExpand[initExpandIndex]);
			}
		}
	}
}

function initSubItems(inputObj,currentDepth)
{
	divCounter++;
	var div = document.createElement('DIV');	// Creating new div
	div.style.overflow = 'hidden';
	div.style.position = 'relative';
	div.style.display='none';
	div.style.height = '1px';
	div.id = 'slideDiv' + divCounter;
	div.className = 'slideMenuDiv' + currentDepth;
	inputObj.parentNode.appendChild(div);	// Appending DIV as child element of <LI> that is parent of input <UL>
	div.appendChild(inputObj);	// Appending <UL> to the div
	var menuItem = inputObj.getElementsByTagName('LI')[0];
	while(menuItem){
		if(menuItem.tagName=='LI'){
			var aTag = menuItem.getElementsByTagName('A')[0];
			aTag.className='slMenuItem_depth'+currentDepth;
			var subUl = menuItem.getElementsByTagName('UL');
			if(subUl.length>0){
				initSubItems(subUl[0],currentDepth+1);
			}
			aTag.onclick = showSubMenu;
		}
		menuItem = menuItem.nextSibling;
	}
}

function initSlideDownMenu()
{
	dhtmlgoodies_slmenuObj = document.getElementById('dhtmlgoodies_slidedown_menu');
	dhtmlgoodies_slmenuObj.style.visibility='visible';
	var mainUl = dhtmlgoodies_slmenuObj.getElementsByTagName('UL')[0];
	var mainMenuItem = mainUl.getElementsByTagName('LI')[0];
	mainItemCounter = 1;
	while(mainMenuItem){
		if(mainMenuItem.tagName=='LI'){
			var aTag = mainMenuItem.getElementsByTagName('A')[0];
			aTag.className='slMenuItem_depth1';
			var subUl = mainMenuItem.getElementsByTagName('UL');
			if(subUl.length>0){
				mainMenuItem.id = 'mainMenuItem' + mainItemCounter;
				initSubItems(subUl[0],2);
				aTag.onclick = showSubMenu;
				mainItemCounter++;
			}
		}
		mainMenuItem = mainMenuItem.nextSibling;
	}

	if(location.search.indexOf('mainMenuItemToSlide')>=0){
		var items = location.search.split('&');
		for(var no=0;no<items.length;no++){
			if(items[no].indexOf('mainMenuItemToSlide')>=0){
				values = items[no].split('=');
				showSubMenu(false,document.getElementById('mainMenuItem' + values[1]));
				initMenuIdToExpand = false;
			}
		}
	}else if(expandFirstItemAutomatically>0){
		if(document.getElementById('mainMenuItem' + expandFirstItemAutomatically)){
			showSubMenu(false,document.getElementById('mainMenuItem' + expandFirstItemAutomatically));
			initMenuIdToExpand = false;
		}
	}

	if(expandMenuItemByUrl)
	{
		var aTags = dhtmlgoodies_slmenuObj.getElementsByTagName('A');
		for(var no=0;no<aTags.length;no++){
			var hrefToCheckOn = aTags[no].href;
			if(location.href.indexOf(hrefToCheckOn)>=0 && hrefToCheckOn.indexOf('#')<hrefToCheckOn.length-1){
				initMenuIdToExpand = false;
				var obj = aTags[no].parentNode;
				while(obj && obj.id!='dhtmlgoodies_slidedown_menu'){
					if(obj.tagName=='LI'){
						var subUl = obj.getElementsByTagName('UL');
						if(initialMenuItemAlwaysExpanded)alwaysExpanedItems[obj.parentNode] = true;
						if(subUl.length>0){
							objectsToExpand.unshift(obj);
						}
					}
					obj = obj.parentNode;
				}
				showSubMenu(false,objectsToExpand[0]);
				break;
			}
		}
	}

	if(initMenuIdToExpand)
	{
		objectsToExpand = new Array();
		var obj = document.getElementById(initMenuIdToExpand)
		while(obj && obj.id!='dhtmlgoodies_slidedown_menu'){
			if(obj.tagName=='LI'){
				var subUl = obj.getElementsByTagName('UL');
				if(initialMenuItemAlwaysExpanded)alwaysExpanedItems[obj.parentNode] = true;
				if(subUl.length>0){
					objectsToExpand.unshift(obj);
				}
			}
			obj = obj.parentNode;
		}

		showSubMenu(false,objectsToExpand[0]);

	}



}
	window.onload = initSlideDownMenu;