var add_bookmarks = {
timeout : null,
showPopup : function(){
clearTimeout(this.timeout);
if($('add_bookmarks').style.display == 'none'){
this.timeout = setTimeout(function(){new Effect.BlindDown('add_bookmarks', {duration:.3, fps:40})},400);
}
},
hidePopup : function(){
if($('add_bookmarks').style.display == 'none'){
clearTimeout(this.timeout);
}else{
this.timeout = setTimeout(function(){new Effect.BlindUp('add_bookmarks', {duration:.3, fps:40})},300);
}
}
}