var gTop=0;
var gIncVal=0;
function scrollMe(arg)
{    
var objEncNav=document.getElementById('content-news');
var scrollAmount=220;
var objEncNavHeight=parseInt(objEncNav.offsetHeight);
var objEncNavTop=objEncNav.style.top;
var barHeight=380;
if(!objEncNavTop)
  objEncNavTop=0;
else
  objEncNavTop=objEncNavTop.substring(0,objEncNavTop.length-2);
  
if(arg>0)
{
  if(objEncNavTop>=0 || objEncNavTop>(-(objEncNavHeight-(barHeight+scrollAmount))))
  {
    incrementValue=scrollAmount;
  }
  else if(objEncNavTop<(-(objEncNavHeight-(barHeight+scrollAmount))))
  {
    incrementValue=(objEncNavHeight-barHeight)+parseInt(objEncNavTop);
  }
  else
  {
    incrementValue=0;
  }
  encSmoothScroll("minus", parseInt(objEncNavTop), parseInt(incrementValue));
}
else
{
  if(objEncNavTop<0 && ((parseInt(objEncNavTop)+scrollAmount) < 0))
  {
    incrementValue=scrollAmount;
  }
  else
  {
    incrementValue=-objEncNavTop-0;     
  }
  encSmoothScroll("plus", parseInt(objEncNavTop), parseInt(incrementValue));
}
}
function encSmoothScroll(dir, currentVal, incValue)
{
gTop=currentVal;
gIncVal=incValue;
encScrollBy(dir, 0)
}
function encScrollBy(dir, val)
{ 
if(val<gIncVal)
{
	  var tmpInc;      
	  if((gIncVal-val)>1)      
	  {
	    tmpInc=Math.ceil((gIncVal-val)/20);
	    if(tmpInc <1)
	      tmpInc=1;
	  }
	  else
	  {
	    tmpInc=gIncVal-val;
	  }
	  
	  val+=tmpInc;
	       
	  
	  var objEncNav=document.getElementById('content-news');
	  if(dir=="plus")
	  {
	    objEncNav.style.top=gTop+val+"px";
	  }
	  else if(dir=="minus")
	  {
	    objEncNav.style.top=gTop-val+"px";
	  }
	  var t=setTimeout("encScrollBy('"+dir+"', "+val+");", 10);
}
else
{
  clearTimeout(t);
}
}