var DDSPEED = 10;var DDTIMER = 15;// main function to handle the mouse events //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);    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{    h.timer = setTimeout(function(){ddCollapse(c)},50);  }}// collapse the menu //function ddCollapse(c){  c.timer = setInterval(function(){ddSlide(c,-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){    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 < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){    clearInterval(c.timer);  }}