/*
aqtree3clickable.js

Stuart Langridge, November 2002
sil@kryogenix.org

Inspired by Aaron's labels.js (http://youngpup.net/demos/labels/) and Dave Lindquist's menuDropDown.js (http://www.gazingus.org/dhtml/?id=109)

*/

addEvent(window, "load", makeTreesC);

function makeTreesC() {
    // We don't actually need createElement, but we do
    // need good DOM support, so this is a good check.
    if (!document.createElement) return;
    
    uls = document.getElementsByTagName("ul");
    for (uli=0;uli<uls.length;uli++) {
        ul = uls[uli];
        if (ul.nodeName == "UL" && ul.className == "aqtree3clickable") {
            processULELC(ul);
        }
    }
		
			var op;
			var aOpen;
			op = 1;			
			aOpen = document.getElementById("openAll");
			aOpen.onclick = function () {			

			uls = document.getElementsByTagName("ul");
			for (uli=0;uli<uls.length;uli++) {
					ul = uls[uli];
					if (ul.nodeName == "UL" && ul.className == "aqtree3clickable") {
							processULELC2(ul,op);
					}
			}
			//once menu has been opened close all
			/*
			if (op == 1) {
				op=0;
				aOpen.innerHTML = "Close all";
			} else {
				op=1;			
				aOpen.innerHTML = "Open all";		
			}			
			return op;
			*/
		}
		
}

function processULELC(ul) {
    if (!ul.childNodes || ul.childNodes.length == 0) return;
    // Iterate LIs
    for (var itemi=0;itemi<ul.childNodes.length;itemi++) {
        var item = ul.childNodes[itemi];
        if (item.nodeName == "LI") {
            // Iterate things in this LI
            var a;
            var subul;
	    subul = "";
            for (var sitemi=0;sitemi<item.childNodes.length;sitemi++) {
                var sitem = item.childNodes[sitemi];
                switch (sitem.nodeName) {
                    case "A": a = sitem; break;
                    case "UL": subul = sitem; 
                               processULELC(subul);
                               break;
                }
            }
            if (subul) {
														
                associateELC(a,subul);

            } else {
                /*a.parentNode.className = "aq3bullet";*/
            }
        }
    }
}

function processULELC2(ul,op) {
    if (!ul.childNodes || ul.childNodes.length == 0) return;
    // Iterate LIs
    for (var itemi=0;itemi<ul.childNodes.length;itemi++) {
        var item = ul.childNodes[itemi];
        if (item.nodeName == "LI") {
            // Iterate things in this LI
            var a;
            var subul;
	    subul = "";
            for (var sitemi=0;sitemi<item.childNodes.length;sitemi++) {
                var sitem = item.childNodes[sitemi];
                switch (sitem.nodeName) {
                    case "A": a = sitem; break;
                    case "UL": subul = sitem; 
                               processULELC2(subul,op);
                               break;
                }
            }
            if (subul) {																	
									 a.parentNode.className = "aq3open";
						/*
								if (op == 1) {
									 a.parentNode.className = "aq3open";									
								} else {
									 a.parentNode.className = "aq3closed";
								}
						*/
            } else {
                /*a.parentNode.className = "aq3bullet";*/
            }
        }
    }
		return op;
}

function associateELC(a,ul) {
    if (a.parentNode.className.indexOf('aq3open') == -1)
      a.parentNode.className = 'aq3closed';
    a.onclick = function () {
        this.parentNode.className = (this.parentNode.className=='aq3open') ? "aq3closed" : "aq3open";
        return false;
    }
}


/*              Utility functions                    */

function addEvent(obj, evType, fn){
  /* adds an eventListener for browsers which support it
     Written by Scott Andrew: nice one, Scott */
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, true);
    return true;
  } else if (obj.attachEvent){
	var r = obj.attachEvent("on"+evType, fn);
    return r;
  } else {
	return false;
  }
}