document.onmouseover = openIt 
function openIt() {
var items = 3 ;
currEl = window.event.toElement
if (currEl.className == "barItem") {
newId = currEl.id + "box" 
showBox = document.all(newId) 
showBox.style.display = "block" 
}        
for (i=1; i<=items; i++) {
openItem="item" + i + "box"
elOpen = document.all(openItem)
if ((elOpen.style.display == "block")&&(elOpen != showBox)) 
elOpen.style.display = "none" 
if (currEl.className == "closeIt") { 
elOpen.style.display = "none" 
} 
}
}
function closeIt(){
document.all.item1box.style.display = "none";
document.all.item2box.style.display = "none";
document.all.item3box.style.display = "none";
}
document.onclick = closeIt
function pasderreur(){
return true
}
window.onerror=pasderreur