var timerlen = 2;
var slideAniLen = 250;

var timerID = new Array();

var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();

function slidedown(objname, plusname){
        /*
		if(moving[objname])
                return;

        if(document.getElementById(objname).style.display != "none")
                return; // cannot slide down something that is already visible

        moving[objname] = true;
        dir[objname] = "down";
		document.getElementById(plusname).style.background = "transparent url(images/arrowdown.gif) top left no-repeat";
        startslide(objname, id);
		*/
				
		document.getElementById(objname).style.display = "block";
		dir[objname] = "down";
		document.getElementById(plusname).style.background = "transparent url(images/arrowdown.gif) top left no-repeat";
		setTimeout('scroller.init(' + plusname.substring(plusname.length-1) + ')', 500);
		
		
}

function slideup(objname, plusname){
        /*if(moving[objname])
                return;

        if(document.getElementById(objname).style.display == "none")
                return; // cannot slide up something that is already hidden

        moving[objname] = true;
        dir[objname] = "up";
		document.getElementById(plusname).style.background = "transparent url(images/arrowright.gif) top left no-repeat";
        startslide(objname, id);
		*/
				
		document.getElementById(objname).style.display ="none";
		dir[objname] = "up";
		document.getElementById(plusname).style.background = "transparent url(images/arrowright.gif) top left no-repeat";
}

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

//        endHeight[objname] = parseInt(obj[objname].style.height);
		endHeight[objname] = parseInt(obj[objname].offsetHeight);
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
        }

        obj[objname].style.display = "block";

        timerID[objname] = setInterval('slidetick(\'' + objname + '\', \'' + id + '\');',timerlen);
}

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

        if (elapsed > slideAniLen)
                endSlide(objname, id)
        else {
                var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                if(dir[objname] == "up")
                        d = endHeight[objname] - d;

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

        return;
}

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

        if(dir[objname] == "up")
		{
                obj[objname].style.display = "none";
		}
		else
		{
			alert("myid:" + id);
			//setTimeout(scroller.init(id), 500);
		}

        obj[objname].style.height = endHeight[objname] + "px";
//		obj[objname].style.height = endHeight[objname] + "%";

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

        return;
}

function toggleSlide(objname, plusname){
  //first, close all three panes 
  var panelHolder;
  var plusHolder;
  for(var i=1;i<4;i++)
  {
	paneHolder = "pane" + i + "content";
	plusHolder = "plus" + i;
	//alert(paneHolder + " " + plusHolder);
	slideup(paneHolder, plusHolder); 
  }
  if(document.getElementById(objname).style.display == "none"){
    // div is hidden, so let's slide down
    slidedown(objname, plusname);
  }else{
    // div is not hidden, so slide up
    slideup(objname, plusname);
  }
}