last_item=null;
set_timeout=null;
defaultArea = null;
mouseOveredOnMenu = false
function horizontal_menu(item, initial)
{

	if(!initial) {
		// subitems on default area are show until first mouseover on menu
		if((item.indexOf("areaLinkNr") == -1) && !mouseOveredOnMenu) {
			return;
		}
		//first mouseover is made
		if(item.indexOf("areaLinkNr">-1)) {
			mouseOveredOnMenu = true;
		}
	}
	
	//stil on menu don't do anything	
	if(item.indexOf("topMenu")>-1) return;
	if(item.indexOf("topMenuInner")>-1) return;
	if(item.indexOf("headerContainer")>-1) return;	
	if(item.indexOf("areasContainer")>-1) return;
	//if(item.indexOf("areaLinkNr")>-1) return;
	if(item.indexOf("areaTdNr")>-1) return;
	if(item.indexOf("nobr")>-1) return;	
	if(item.indexOf("separator")>-1) return;
	if(item.indexOf("site")>-1) return;
	
	//hide last submenu
	if(last_item) {
		if(document.getElementById('siteContainerNr'+last_item)) {
			document.getElementById('siteContainerNr'+last_item).style.display = 'none';
		}
	} 
	if(defaultArea) {
		if(document.getElementById('siteContainerNr'+defaultArea)) {
			document.getElementById('siteContainerNr'+defaultArea).style.display = 'none';
		}
	} 

	//hide background img
	if(last_item) {
		document.getElementById('areaTdNr'+last_item).className = 'areaTdNotSelected'
	} 

	if(defaultArea) {
		document.getElementById('areaTdNr'+defaultArea).className = 'areaTdNotSelected'
	} 

 	if (item.indexOf("areaLinkNr") == -1) {
		//when mouseovered on body shown default area
		if(defaultArea) {
			item = 'areaLinkNr'+ defaultArea;
		}
		mouseOveredOnMenu = false;
		last_item = null;
	}

	//if area has children show them
	if(item.indexOf("areaLinkNr")>-1) {	
		item_nr=item.substring(10)
		last_item=item_nr;
		document.getElementById('areaTdNr'+item_nr).className = 'areaTdSelected'

		if(!document.getElementById('siteContainerNr'+item_nr)) {
			return;
		}

		/* 		menu container		*/	
		if(document.all) {
			menu_containter_left = 0
		} else {
			menu_containter_left = document.getElementById('topMenu').offsetLeft
		}
		menu_containter_width = document.getElementById('topMenu').offsetWidth
	
		/* 		menu item	 */
		item_top=document.getElementById(item).offsetTop;

		isMac=(navigator.platform.toLowerCase()).indexOf('mac')>-1
		isIE=(navigator.appName.toLowerCase()).indexOf('explorer')>-1
		topMenuInner_left=document.getElementById('topMenuInner').offsetLeft;		
		if(isMac && isIE) {
			parentNodeId = document.getElementById(item).parentNode.parentNode.id
			item_left = document.getElementById(parentNodeId).offsetLeft + topMenuInner_left+17;
			document.getElementById('siteContainerNr'+item_nr).style.top= 92 +'px';
		} else {
			item_left=document.getElementById(item).offsetLeft;
		}
		
		item_width=document.getElementById(item).offsetWidth;
		start_position_of_subitem = item_left - 27;


		document.getElementById('siteContainerNr'+item_nr).style.display='block';
		document.getElementById('siteContainerNr'+item_nr).style.left= start_position_of_subitem +'px';

		document.getElementById('siteContainerNr'+item_nr).style.width = item_width + 54 + 'px';
		if(window.opera) {
			document.getElementById('siteContainerNr'+item_nr).style.borderTop='solid 1px #FFFFFF';
		}
		document.getElementById('siteContainerNr'+item_nr).style.zIndex=100;
	}  
}