//
function addBookmark() {
	var url = location.href;
	var title = document.title;
	if (window.sidebar) { 
		window.sidebar.addPanel(title, url,""); 
	} 
	else if( document.all ) {
		window.external.AddFavorite( url, title);
	} else if( window.opera && window.print ) {
	return true;
	}
}

//Left Hand Navigation
var menuids=["navigation_site", "navigation_instruments", "navigation_archive"] //Enter id(s) of menu
function buildsubmenus(){

for (var i=0; i<menuids.length; i++){
 
 var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
    
	for (var t=0; t<ultags.length; t++){
        
		ultags[t].parentNode.getElementsByTagName("a")[0].className="subfolderstyle"
		
		var top_offset
		//if this is a first level submenu
		if (ultags[t].parentNode.parentNode.id==menuids[i]){
			//dynamically position first level submenus to be width of main menu item
			ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px"
			top_offset = -1 * (ultags[t].offsetHeight) / 1.8
			ultags[t].style.top=top_offset+"px" 
			
		}
		
		//else if this is a sub level submenu (ul)
		else{ 
			//position menu to the right of menu item that activated it
			ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px"
			top_offset = -1 * (ultags[t].offsetHeight) / 2
			ultags[t].style.top=top_offset+"px"
			

		}
	
	ultags[t].parentNode.onmouseover=function(){
    	this.getElementsByTagName("ul")[0].style.display="block"
    }
    
	ultags[t].parentNode.onmouseout=function(){
    	this.getElementsByTagName("ul")[0].style.display="none"
    }
 	
	}
		//loop through all sub menus again, and use "display:none" to hide menus to prevent possible page scrollbars
		for (var t=ultags.length-1; t>-1; t--){  
			ultags[t].style.visibility="visible"
			ultags[t].style.display="none"
		}
  }
}

if (window.addEventListener)
window.addEventListener("load", buildsubmenus, false)
else if (window.attachEvent)
window.attachEvent("onload", buildsubmenus)