//nav
function displayNav(li) {
	var Nav = li.getElementsByTagName("ul")[0];
	Nav.style.display = "block";
}
function hideNav(li) {
	var Nav = li.getElementsByTagName("ul")[0];
	Nav.style.display = "none";
}

//menu
function displayMenu(li) {
	var Menu = li.getElementsByTagName("ul")[0];
	if(Menu.style.display == "block")
	{
		Menu.style.display = "none";
	}
	else
	{
		Menu.style.display = "block";
	}
}

//external
function externallinks() { 
if (!document.getElementsByTagName) return; 
var anchors = document.getElementsByTagName("a"); 
for (var i=0; i<anchors.length; i++) { 
var anchor = anchors[i]; 
if (anchor.getAttribute("href") && 
anchor.getAttribute("rel") == "external") 
anchor.target = "_blank"; 
} 
} 
window.onload = externallinks;

//close
function openShutManager(oSourceObj,oTargetObj,shutAble,oOpenTip,oShutTip){
var sourceObj = typeof oSourceObj == "string" ? document.getElementById(oSourceObj) : oSourceObj;
var targetObj = typeof oTargetObj == "string" ? document.getElementById(oTargetObj) : oTargetObj;
var openTip = oOpenTip || "";
var shutTip = oShutTip || "";
if(targetObj.style.display!="none"){
   if(shutAble) return;
   targetObj.style.display="none";
   if(openTip  &&  shutTip){
    sourceObj.innerHTML = shutTip; 
   }
} else {
   targetObj.style.display="block";
   if(openTip  &&  shutTip){
    sourceObj.innerHTML = openTip; 
   }
}
}