function changeMenuBg(menuItem) {
	if (typeof menuItem != "undefined"){
		document.getElementById(menuItem).style.background='url(/media/img/nav/menu_hoverBackground_cyr.gif)'; 
		if (menuItem == "tdMenuItemAbout"){
		    document.getElementById("tdMenuEndCap").style.background='url(/media/img/nav/tab_right_lightblue_bg.gif)'; 
		} else if (menuItem == "tdMenuItemH"){
			    document.getElementById("tdMenuStartCap").style.background='url(/media/img/nav/tab_left_lightblue_on_bg.gif)'; 	
		}
	}
}
function removeMenuBg(menuItem) {
	if (typeof currentSection == "undefined") {
		var hlItem = '';		
	} else {
		var hlItem = currentSection;
	}
	if ((typeof menuItem != "undefined") && (menuItem != hlItem)){
		document.getElementById(menuItem).style.background=''; 
				if ((menuItem == "tdMenuItemAbout") && (hlItem != "tdMenuItemAbout")){
		    document.getElementById("tdMenuEndCap").style.background='url(/media/img/nav/tab_right_blue_bg.gif)'; 
		}	
			if ((menuItem == "tdMenuItemH") && (hlItem != "tdMenuItemH")){
		    document.getElementById("tdMenuStartCap").style.background='url(/media/img/nav/tab_left_blue_bg.gif)'; 
		}
	}
}

if(document.getElementById && document.createElement)
{
var newstyle;
var restore="subNavHome";
//var restoreTab="tab_home";
var timer = null;
var hoverTime=500;

	function setDefaultSubNav(subNavID){
	restore=subNavID;
	//restoreTab=tabSelected;
	//window.setTimeout('hideNav(subNavId)', hoverTime);
	hideNav(restore);
	}
	function showNav(theid){
	   var objDiv2;
		if (document.all){
			objDiv2 = document.all[theid];
		} else {
			objDiv2 = document.getElementById (theid);
		}
		//alert(theid);
		objDiv2.className="display";
	}
    function hideNav(theid)
    {	
	//alert("hiding all but" +theid);
	   //clearTimeOut();
	   var container=document.getElementById('subNav');
       var objDiv=container.getElementsByTagName('div');

        // loop THRU SUBNAVS  
        for(var i=0; i<objDiv.length; i++) 
        {
			//alert("hiding"+ objDiv[i].getAttribute('id'));
			if(objDiv[i].getAttribute('id')!=theid){
             document.getElementById(objDiv[i].getAttribute('id')).className="hidden"; 
			}else{
			 document.getElementById(objDiv[i].getAttribute('id')).className="display"; 
			}
        }
    }
}