var timerlen = 10;
var slideAniLen = 340;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endWidth = new Array();
var moving = new Array();
var dir = new Array();
var sticked = new Array();
var nn6m = document.getElementById &&! document.all;

function collapse(objname){
//        if(moving[objname])
  //              return;
    if (!sticked[objname])
    {
        if(document.getElementById(objname).style.width == "25px")
                return; // cannot slide down something that is already visible

        moving[objname] = true;
        dir[objname] = "collapse";
        startslide(objname);
    }
}

function change(objname){
//        if(moving[objname])
//                return;

    if (nn6m)
    {
        if(document.getElementById(objname).style.width != "25px")
        {
        moving[objname] = true;
        dir[objname] = "collapse";
        startslide(objname);
            //document.getElementById(objname).style.width = "25px";
            }
        else
        {
         moving[objname] = true;
        dir[objname] = "expand";
        startslide(objname);
        
        //document.getElementById(objname).style.width = "125px";
        }
    }
    else
    {
    if (sticked[objname])
    {
    delete(sticked[objname]);
    }
    else
    {
    sticked[objname]=true;
    }
    }
        
}
function expand(objname){
//        if(moving[objname])
//                return;

        if(document.getElementById(objname).style.width != "25px")
                return; // cannot slide up something that is already hidden

        moving[objname] = true;
        dir[objname] = "expand";
        startslide(objname);
}

function startslide(objname){
        obj[objname] = document.getElementById(objname);

        endWidth[objname] = 250;
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "expand"){
                obj[objname].style.width = "25px";
        }

      //  obj[objname].style.display = "block";
//        alert(timerID[objname]);
        if (!timerID[objname])
            timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){
        var elapsed = (new Date()).getTime() - startTime[objname];

        if (elapsed > slideAniLen)
                endSlide(objname)
        else {
                var d =Math.round(elapsed / slideAniLen * endWidth[objname])+25;
                if(dir[objname] == "collapse")
                        d = endWidth[objname] - d + 50;

                obj[objname].style.width = d + "px";
        }

        return;
}

function endSlide(objname){
        clearInterval(timerID[objname]);

        if(dir[objname] == "collapse")
                obj[objname].style.width = "25px";
        else
        obj[objname].style.width = endWidth[objname] + 25 +  "px";

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endWidth[objname]);
        delete(obj[objname]);
        delete(dir[objname]);

        return;
}