//// *********************************** ////
//// State of California master template ////
////             Version 1.20            ////
////       Last Updated 07/22/2009       ////
//// *********************************** ////


initNavigation = function () {

  var navDelayMS = 1000; // mouseout delay, in milliseconds
  var lastNavNode; // node of the most recent hovered item
  var navTimerID;

  if (document.getElementById) { // Does the browser support the getElementById method?
    navRoot = document.getElementById("nav_list"); // Get main list ul

    if (navRoot != null) { // JRF: In case there are no navigation links loaded
      if (typeof defaultMainList != "undefined")
        var reMainNav = new RegExp("^" + defaultMainList + "<", "i"); // Regex for finding the index of the default main list item

      for (i = 0; i < navRoot.childNodes.length; i++) { // Loop over main list items
        node = navRoot.childNodes[i];
        if (node.nodeName == "LI") {
          if ((typeof defaultMainList != "undefined") && node.firstChild.innerHTML.match(reMainNav)) { // Found default main nav item
            defaultMainListIndex = i;
            node.onmouseover = function () {
              if (navTimerID)
                clearTimeout(navTimerID);
              if (lastNavNode)
                clearSublist();
            }
          } else {

            ////// Apply onmouseover and onmouseout event handlers to each main list item //////
            node.onmouseover = function () {
              if (navTimerID)
                clearTimeout(navTimerID);
              if (lastNavNode)
                clearSublist();
              if (defaultMainListIndex != -1) // Is there a default main list item?
                navRoot.childNodes[defaultMainListIndex].className = "nav_default_off"; // De-activate it
              this.className = "mouse_over"; // Activate the hovered item
            }
            node.onmouseout = function () {
              lastNavNode = this;
              navTimerID = setTimeout(clearSublist, navDelayMS); // wait, then reset the nav
            }
          }
        }
      }
    }
    ////// Activate the default main list item //////
    if (defaultMainListIndex != -1)
      navRoot.childNodes[defaultMainListIndex].className = "nav_default_on";

    ////// If the search form has radio buttons, make them visible //////
    radioContainer = document.getElementById("radio_container");
    if (radioContainer) {
      //Comment the following line to always hide the radio buttons
      radioContainer.style.display = "inline";
    }
  }

  clearSublist = function () {
    lastNavNode.className = ""; // De-activate the last hovered item
    if (defaultMainListIndex != -1) // Is there a default main list item?
      navRoot.childNodes[defaultMainListIndex].className = "nav_default_on"; // Activate it
  }

}


// addLoadEvent by Simon Willison
// Adds a handler to an event without over-riding other handlers

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}

var defaultMainListIndex = -1; // Initialize the index of the default main list item

addLoadEvent(initNavigation); // Add initNavigation to the page onload event handler