var DDSPEED = 10;
var DDTIMER = 15;
var menuAuki = false;
var mTimer;
// main function to handle the mouse events //
function ddMenu(id,d){ 
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
   var f = document.getElementById(flashstr + '-ddcontent');
   tempID = id;
  clearInterval(c.timer);
  if(d == 1){
  //menu esiin


    clearTimeout(h.timer);
    if(c.maxh && c.maxh <= c.offsetHeight){return}
    else if(!c.maxh){
      c.style.display = 'block';
      c.style.height = 'auto';
      c.maxh = c.offsetHeight;
      c.style.height = '0px';
    }
   
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER); 
  }else{
  //menu pois

    h.timer = setTimeout(function(){ddCollapse(c)},50);

  }
}
var tempID;

// collapse the menu //
function ddCollapse(c){
	
  c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);
  	
}
function ddCollapse2(f){
  f.timer = setInterval(function(){ddSlide(f,-1)},DDTIMER);	
}
// cancel the collapse if a user rolls over the dropdown //
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);
  }
}

// incrementally expand/contract the dropdown and change the opacity //
function ddSlide(c,d){
  var currh = c.offsetHeight;
  var dist;
  if(d == 1){
	  menuAuki = true;
    dist = (Math.round((c.maxh - currh) / DDSPEED));
  }else{
    dist = (Math.round(currh / DDSPEED));
  }
  if(dist <= 1 && d == 1){
    dist = 1;
  }
   if(d == 1){
  c.style.height = currh + (dist * d) + 'px';
  
  ////alert(currh + (dist * d) );
  c.style.opacity = currh / c.maxh;
  ////alert(c.style.height + ' ' + c.style.opacity);
  //c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';
   } else {
	   menuAuki = false;
	    c.style.height = '0px';
   }
  if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){
    clearInterval(c.timer);
  }
}