var RollIt = {
    timeout_arr : new Array(),
    timeout : null,
    showPopup : function(item,t){
        clearTimeout(this.timeout_arr[item]);
        if($(item).style.display == 'none'){
            this.timeout_arr[item] = setTimeout(function(){new Effect.BlindDown(item, {duration:.3, fps:40})},t);
        }
    },                                                                              hidePopup : function(item,t){
        if($(item).style.display == 'none'){
          clearTimeout(this.timeout_arr[item]);
        }else{
            this.timeout_arr[item] = setTimeout(function(){new Effect.BlindUp(item, {duration:.3, fps:40})},t);
        }
    }
}