// JavaScript Document

var url = location.href;
var lastSlash = url.lastIndexOf("/");
var lnth = url.length;
var retUrl = url.substring(lastSlash + 1,lnth)

function visitedLink(id){
	document.getElementById(id).src = "images/" + id + "Selected.gif";
}


function mouseover(id){
	document.getElementById(id).src = "images/" + id + "Selected.gif";
}

function mouseout(id,url,url2,url3,url4){
    if(retUrl == url || retUrl == url2 || retUrl == url3 || retUrl == url4 ){
        document.getElementById(id).src = "images/" + id + "Selected.gif";
        }else{
        document.getElementById(id).src = "images/" + id + ".gif";
        }
}


function click_tree_menu(obj)
{
 var vis = "";
 if (obj && obj.parentNode && obj.parentNode.parentNode && obj.parentNode.parentNode.parentNode && obj.parentNode.parentNode.parentNode.rows)
  {
	var rIndex = obj.parentNode.parentNode.rowIndex + 1;
	var curObj = obj.parentNode.parentNode.parentNode.rows[rIndex];
	if (! curObj || curObj.className != "child") return;

	var  re = new RegExp(obj.id + "=[0|1];*","gi");
	document.cookie = String(document.cookie).replace(re,"") + ";";
	if (curObj.style.display == "none")
	 {
	   vis = "";
	   if (obj.id) document.cookie = obj.id + "=1;";
//                       obj.parentNode.style.backgroundColor = "#F2D58A";
	 } 
	else 
	 {
	   vis = "none";
	   if (obj.id) document.cookie = obj.id + "=0;";
//                       obj.parentNode.style.backgroundColor = "";
	 } 

	while (curObj && (curObj.className == "child"))
	 {
	   curObj.style.display = vis;
	   curObj = obj.parentNode.parentNode.parentNode.rows[rIndex++];
	 }
  }
}

function deFocusser(ID){
document.getElementById(ID).selectedIndex = -1
    if (ID == "ctl00_ContentPlaceHolder1_lbLeden"){
        document.getElementById("ctl00_ContentPlaceHolder1_Button2").value = "→"
        document.getElementById("ctl00_ContentPlaceHolder1_Button2").disabled = false
        if (document.getElementById("ctl00_ContentPlaceHolder1_lbBestuursleden").selectedIndex > 0){
        document.getElementById("ctl00_ContentPlaceHolder1_btnUp").disabled = false
        }
        if (document.getElementById("ctl00_ContentPlaceHolder1_lbBestuursleden").selectedIndex < document.getElementById("ctl00_ContentPlaceHolder1_lbBestuursleden").options.length -1){
        document.getElementById("ctl00_ContentPlaceHolder1_Button1").disabled = false
        }
    }
    else{
        document.getElementById("ctl00_ContentPlaceHolder1_Button2").value = "←"
        document.getElementById("ctl00_ContentPlaceHolder1_Button2").disabled = false
        document.getElementById("ctl00_ContentPlaceHolder1_btnUp").disabled = true
        document.getElementById("ctl00_ContentPlaceHolder1_Button1").disabled = true
    }                
}

function knoppen(){
    if (document.getElementById("ctl00_ContentPlaceHolder1_lbBestuursleden").options.length == 0){        
        document.getElementById("ctl00_ContentPlaceHolder1_btnUp").disabled = true
        document.getElementById("ctl00_ContentPlaceHolder1_Button1").disabled = true
        document.getElementById("ctl00_ContentPlaceHolder1_btnRemoveAll").disabled = true
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_lbBestuursleden").selectedIndex == -1 && document.getElementById("ctl00_ContentPlaceHolder1_lbLeden").selectedIndex == -1 ){
        document.getElementById("ctl00_ContentPlaceHolder1_btnUp").disabled = true
        document.getElementById("ctl00_ContentPlaceHolder1_Button1").disabled = true
        document.getElementById("ctl00_ContentPlaceHolder1_Button2").disabled = true
    }   
}�