var DDSPEED = 10;

var DDTIMER = 15;

var OFFSET = -2;

var ZINT = 100;


function ddMenu(id,d)
{
  
var h = document.getElementById(id + '-ddheader');
  
var c = document.getElementById(id + '-ddcontent');
  
clearInterval(c.timer);
  
if(d == 1)
{
    
clearTimeout(h.timer);
   
 c.style.display = 'block';
    
if(c.maxh && c.maxh <= c.offsetHeight){return}
   
 else
if(!c.maxh)
{
     
c.style.left = (h.offsetWidth + OFFSET) + 'px';
      
c.style.height = 'auto';
     
c.maxh = c.offsetHeight;
     
c.style.height = '0px';
 
   }
  
  ZINT = ZINT + 1;
    
c.style.zIndex = ZINT;
   
 c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
 
 }
else
{
    
h.timer = setTimeout(function(){ddCollapse(c)},50);
 
 }

}


function ddCollapse(c)
{
  
c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);

}


function cancelHide(id)
{
  var h = document.getElementById(id + '-ddheader');

  var c = document.getElementById(id + '-ddcontent');

  clearTimeout(h.timer);
  
clearInterval(c.timer);
 
 if(c.offsetHeight < c.maxh)
{
  
c.timer = setInterval(function()
{
ddSlide(c,1)
},
DDTIMER);
 
 }
}


function ddSlide(c,d)
{
  
var currh = c.offsetHeight;

var dist;

if(d == 1)
{
    
dist = Math.round((c.maxh - currh) / DDSPEED);

  }
else
{
  
dist = Math.round(currh / DDSPEED);

  }
 
 if(dist <= 1 && d == 1)
{
   
 dist = 1;

  }

  c.style.height = currh + (dist * d) + 'px';
  
c.style.opacity = currh / c.maxh;
  c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';

  if(currh > (c.maxh - 2) && d == 1)
{

clearInterval(c.timer);

  }
else if(dist < 1 && d != 1)
{
  
  clearInterval(c.timer);
  
  c.style.display = 'none';
 
 }

}