var timerlen = 5;
var slideAniLen = 500;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();
var base_url = "/preview/ONBOT";

function slidedown(objname){
  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";
  startslide(objname);
  
  	obj2 = document.getElementById(objname+"img");
  	if (obj2!=null) obj2.src = "images/arrow-up.png";
	}
 
function slideup(objname){
  if(moving[objname])
    return;
 	
  if(document.getElementById(objname).style.display == "none")
    return; // cannot slide up something that is already hidden
	
	///document.getElementById("olb_link").style.background = "url("+base_url+"/images/navigation_bg.jpg) repeat-x";
	///document.getElementById("invest_link").style.background = "url("+base_url+"/images/navigation_bg.jpg) repeat-x";
	///document.getElementById("estatement_link").style.background = "url("+base_url+"/images/navigation_bg.jpg) repeat-x";
 
  moving[objname] = true;
  dir[objname] = "up";
  startslide(objname);
  
	obj2 = document.getElementById(objname+"img");
  	if (obj2!=null) obj2.src = "images/arrow-down.png";
	}

function startslide(objname){
  obj[objname] = document.getElementById(objname);
 
  endHeight[objname] = parseInt(obj[objname].style.height);
  startTime[objname] = (new Date()).getTime();
 
  if(dir[objname] == "down"){
    obj[objname].style.height = "1px";
  }
 
  obj[objname].style.display = "block";
 
  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 * endHeight[objname]);
    if(dir[objname] == "up")
      d = endHeight[objname] - d;
 
    obj[objname].style.height = d + "px";
  }
 
  return;
}

function endSlide(objname){
  clearInterval(timerID[objname]);
 
  if(dir[objname] == "up")
    obj[objname].style.display = "none";
 
  obj[objname].style.height = endHeight[objname] + "px";
 
  delete(moving[objname]);
  delete(timerID[objname]);
  delete(startTime[objname]);
  delete(endHeight[objname]);
  delete(obj[objname]);
  delete(dir[objname]);
 
  return;
}

function toggleSlide(objname, objname2){
  if(document.getElementById(objname).style.display == "none"){
    // div is hidden, so let's slide down
		
		
		
		slideup("olb");
		slideup("invest");
		slideup("estatement");
		
		
		if((objname) == "olb") {
			slidedown(objname);
			//document.getElementById("olb_link").style.background = "url("+base_url+"/images/navigation_bg_hover.jpg) repeat-x";
			}
		else if((objname) == "invest") {
			slidedown(objname);
			//document.getElementById("invest_link").style.background = "url("+base_url+"/images/navigation_bg_hover.jpg) repeat-x";
			}
		else if((objname) == "estatement") {
			slidedown(objname);
			//document.getElementById("estatement_link").style.background = "url("+base_url+"/images/navigation_bg_hover.jpg) repeat-x";
			}
		
  		}
	else{
    	// div is not hidden, so slide up
    	slideup(objname);
  		}
		
	}

function refresh_menu() {
	if (this_selected!=0) {
		if (this_selected==1) objname = "olb";
		if (this_selected==2) objname = "invest";
		if (this_selected==3) objname = "estatement";
		toggleSlide(objname, objname+"img");
		}
	}