/*
 * menuExpandable.js - implements an expandable menu based on a HTML list
 * Author: Dave Lindquist (http://www.gazingus.org)
 */
 
 function expandableMenu() {
     initializeMenu("financialinfoMenu", "financialinfoActuator");
     initializeMenu("shareinfoMenu", "shareinfoActuator");
     initializeMenu("shareinfoMenu", "torActuator");
     initializeMenu("brokerMenu", "brokerActuator");
     initializeMenu("shareholderMenu", "shareholderActuator");
 }


if (!document.getElementById)
    document.getElementById = function() { return null; }

function initializeMenu(menuId, actuatorId) {
    var menu = document.getElementById(menuId);
    var actuator = document.getElementById(actuatorId);

    if (menu == null || actuator == null) return;

    //if (window.opera) return; // I'm too tired

    actuator.parentNode.style.listStyleImage = "url(/images/plus.gif)";
    actuator.onclick = function() {
        var display = menu.style.display;
        this.parentNode.style.listStyleImage =
            (display == "block") ? "url(/images/plus.gif)" : "url(/images/minus.gif)";
        menu.style.listStyleImage = "url(/images/square.gif)";
        menu.style.display = (display == "block") ? "none" : "block";

        return false;
    }
}



function highlightCurrentLink() {
  
	var currentLocation = document.location.href;
	var targetNode;
	
	targetNode = document.getElementById("leftNav");
	
	if (targetNode != null)
	{
		links = targetNode.getElementsByTagName("a");
		
		// Search thorugh all links
		for (i = 0; i < links.length; i++) {
			
			linkHref = links[i].href;
			if (linkHref == currentLocation) {
				// Set class for different browsers, if link is this link
				links[i].setAttribute("className", "selected");
				links[i].setAttribute("class", "selected"); 

				if (links[i].parentNode.parentNode.className == "sidenavsubmenu"){
					return(links[i].parentNode.parentNode.id);
				}
			}
		}
	}
}