function Timer(){
this.obj = (arguments.length)?arguments[0]:window;
return this;
}

// The set functions should be called with:
// - The name of the object method (as a string) (required)
// - The millisecond delay (required)
// - Any number of extra arguments, which will all be
// passed to the method when it is evaluated.

Timer.prototype.setInterval = function(func, msec){
var i = Timer.getNew();
var t = Timer.buildCall(this.obj, i, arguments);
Timer.set[i].timer = window.setInterval(t,msec);
return i;
}
Timer.prototype.setTimeout = function(func, msec){
var i = Timer.getNew();
Timer.buildCall(this.obj, i, arguments);
Timer.set[i].timer = window.setTimeout("Timer.callOnce("+i+");",msec);
return i;
}

// The clear functions should be called with
// the return value from the equivalent set function.

Timer.prototype.clearInterval = function(i){
if(!Timer.set[i]) return;
window.clearInterval(Timer.set[i].timer);
Timer.set[i] = null;
}
Timer.prototype.clearTimeout = function(i){
if(!Timer.set[i]) return;
window.clearTimeout(Timer.set[i].timer);
Timer.set[i] = null;
}

// Private data

Timer.set = new Array();
Timer.buildCall = function(obj, i, args){
var t = "";
Timer.set[i] = new Array();
if(obj != window){
Timer.set[i].obj = obj;
t = "Timer.set["+i+"].obj.";
}
t += args[0]+"(";
if(args.length > 2){
Timer.set[i][0] = args[2];
t += "Timer.set["+i+"][0]";
for(var j=1; (j+2)<args.length; j++){
Timer.set[i][j] = args[j+2];
t += ", Timer.set["+i+"]["+j+"]";
}}
t += ");";
Timer.set[i].call = t;
return t;
}
Timer.callOnce = function(i){
if(!Timer.set[i]) return;
eval(Timer.set[i].call);
Timer.set[i] = null;
}
Timer.getNew = function(){
var i = 0;
while(Timer.set[i]) i++;
return i;
}


sfHover = function() {
var sfEls = document.getElementById("sidebar-left").getElementsByTagName("LI");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
 this.className+=" sfhover expanded";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp("\\bsfhover\\b"), "");
this.timer = new Timer(this);
this.timer.setTimeout("out",500);
}
sfEls[i].out=function() {
this.className=this.className.replace(new RegExp("\\bexpanded\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

if (window.addEventListener) window.addEventListener( "load", sfHover, false );