function showMenu(menuId) { $(menuId).style.visibility="visible"; }//$(menuId).style.display=""; }
function hideMenu(menuId) { $(menuId).style.visibility="hidden"; }//$(menuId).style.display="none"; }
function rollBgOver(item) { $(item).className = item + "on"; }
function rollBgOut(item) { $(item).className = item; }

function rollOver(item) { 
	document.images[item].src=eval(item + "_on.src");
};

function rollOut(item) {
	document.images[item].src=eval(item + ".src");
};

if(document.images) 
{
	var invman = new Image(); invman.src = "/img/nav/investment_managers_off.jpg";
	var invman_on = new Image(); invman_on.src = "/img/nav/investment_managers_on.jpg";
	var knowcen = new Image(); knowcen.src = "/img/nav/knowledge_center_off.jpg";
	var knowcen_on = new Image(); knowcen_on.src = "/img/nav/knowledge_center_on.jpg";
}

var curSub;
var curThird;

function showSub(item) 
{
	if (curSub && (item != curSub)) 
	{
		hideSub(curSub);
	}
	curSub = item;
	if($("submenu" + item)) 
	{
		$("submenu" + item).style.display="";
	}
};

function hideSub(item) 
{
	if($("submenu" + item)) 
	{
		$("submenu" + item).style.display="none";
	}
};

function showThird(item) 
{
	if(curThird && (item != curThird)) 
	{
		hideThird(curThird);
	}
	
	curThird = item;
	if($("thirdmenu" + item)) 
	{
		$("thirdmenu" + item).style.display="";
	}
};

function hideThird(item) 
{
	if($("thirdmenu" + item)) 
	{
		$("thirdmenu" + item).style.display = "none";
	}
};

function ToggleList(link)
{
	$(link).getParent().getParent().toggleClass("open_list");	
};


function email_page(url)
{
	var ref = escape(window.parent.parent.location.href);	
	var target = url + ref ;
	window.parent.location = target ;
};

Window.onDomReady(function()
{
	var submenu = $$("div.submenuitem");
	for(var i=0;i<submenu.length;i++)
	{
		submenu[i].onmouseover = function()
		{
			this.className = "submenuitemon";
		};
			
		submenu[i].onmouseout = function()
		{
			this.className = "submenuitem";
		};
	}
	
});

//adding JavaScript to clear the search form in the header
function clearSearch(deflt) {
    var srch = document.getElementById("hdrSearch");
    if (srch.value == deflt) {
        srch.value = "";
    }
}

function resetSearch(deflt) {
    var srch = document.getElementById("hdrSearch");
    if (srch.value.replace(new RegExp(" ", "g"),'') == "") {
        srch.value = deflt;
    }
}