<!-- 
// http://www.harrymaugans.com/2007/03/06/how-to-create-an-animated-sliding-collapsible-div-with-javascript-and-css/

var timerlen = 5;
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();
var trans = new Array();

function slidedown(objname, alpha){
  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";
  trans[objname] = alpha;
  startslide(objname);
}

function slideup(objname, alpha){
  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";
  trans[objname] = alpha;
  startslide(objname);
}

function slideendup(objname){
  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";
  obj[objname] = document.getElementById(objname);
  endHeight[objname] = parseInt(obj[objname].style.height);
  endSlide(objname);
}

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(trans[objname] == 1) var f = elapsed / slideAniLen;
    else var f = 1;
    if(dir[objname] == "up")
    {
      d = endHeight[objname] - d;
      f = 1 - f;
    }
    obj[objname].style.height = d + "px";
    obj[objname].style.opacity = f;
    obj[objname].style.filter = 'alpha(opacity='+(f*100)+')';
  }
  return;
}

function endSlide(objname){
  clearInterval(timerID[objname]);
  if(dir[objname] == "up")
  {
    obj[objname].style.display = "none";
    obj[objname].style.opacity = 0;
    obj[objname].style.filter = 'alpha(opacity='+(0)+')';
  }
  else
  {
    obj[objname].style.opacity = 1;
    obj[objname].style.filter = '';
  }
  obj[objname].style.height = endHeight[objname] + "px";
  if((verOffset=nAgt.indexOf("MSIE"))!=-1) obj[objname].style.removeAttribute('filter');
  delete(moving[objname]);
  delete(timerID[objname]);
  delete(startTime[objname]);
  delete(endHeight[objname]);
  delete(obj[objname]);
  delete(dir[objname]);
  return;
}

function slide(objname, trans){
  if(moving[objname])
  return;
  if(document.getElementById(objname).style.display == "none")
  slidedown(objname, trans);
  else
  slideup(objname, trans);
}
//-->