var popupTimerHandle = null;
  
function toggleDisplay(Id) 
{
    var div = document.getElementById(Id);
    
    div.style.display = (div.style.display=="block" ? "none" : "block");
    
}
    
    
function hideBox(div) {
   
   
    popupTimerHandle = setTimeout("reallyHideBox('" + div + "');", 100);
    
}

function reallyHideBox(div) {     
   
        var div = document.getElementById(div);
        div.style.display = "";
}

function clearTimer()
{//alert('dsfasdf');
     if (popupTimerHandle != null) {
        clearTimeout(popupTimerHandle);
        popupTimerHandle = null;
    }
}


document.onkeydown = checkKeycode
function checkKeycode(e) {
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
//alert("keycode: " + keycode);
}