function hideitem(d) {
 if(d.length < 1) { return; }
 document.getElementById(d).style.display = "none";
}

function showitem(d) {
 if(d.length < 1) { return; }
 var dd = document.getElementById(d);
 dd.style.display = "block";
}
 
function toggledrop(d,onoff){
 var dd = document.getElementById(d);
 if (!dd) { return; }
 if (onoff==true){
  dd.style.display = "block";
 }else{
  dd.style.display = "none";
 }
}
 
function hoveritem(d,onoff) {
 var dd = document.getElementById(d);
 if (onoff==true){
  dd.style.backgroundColor = "#232323";
  dd.style.color = "white";
 }else{
  dd.style.backgroundColor = "black";
  dd.style.color = "#c0c0c0"
 }
}

function hoversideitem(d,onoff) {
 var dd = document.getElementById(d);
 if (onoff==true){
  dd.style.backgroundColor = "#232323";
  dd.style.color = "white";
 }else{
  dd.style.backgroundColor = "white";
  dd.style.color = "black"
 }
}

function hovermainitem(d,onoff) {
 var dd = document.getElementById(d);
 if (onoff==true){
  dd.style.backgroundImage = "url(img/menubar_sort.gif)";
 }else{
  dd.style.backgroundImage = "url(img/menubar.gif)";
 }
}