var _stepTime  = 30;
var _sleepTime = 0;
function initDLink(divTbl){
		
	var dTbl = divTbl.split('.');
	var i; 

	if(dTbl.length==0)
	   return;
	
	for(i=0;i<dTbl.length;i++)
	  document.getElementById(dTbl[i]).style.height=0;
}

function toogleDLink(divId, height){

  var h = parseInt(document.getElementById(divId).style.height);
  if (h > 0)
  {
    _toogleDLink(divId, height, 0);
	document.getElementById(divId).className="ddlinkUp";
  }
	
  else
  {
    _toogleDLink(divId, height, 1);
	document.getElementById(divId).className="ddlink";
  }
}

function _toogleDLink(divId, height, upDown){
//upDown = 1: Up, 0:down
  var h = parseInt(document.getElementById(divId).style.height);
  
    if(upDown == 1 && h < height)
	{
	  document.getElementById(divId).style.height = (h + _stepTime) + "px";
	  setTimeout('_toogleDLink(\'' + divId + '\',' + height + ', ' + upDown +')',_sleepTime);
    }
  else
  {
   if( upDown == 0 && h > 0)
	{
	  document.getElementById(divId).style.height = (h - _stepTime) +"px";
	  setTimeout('_toogleDLink(\'' + divId + '\',' + height + ', ' + upDown +')',_sleepTime);
    }
  }
	
}