/*
Copyright (c) 2007, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.2.2
*/

        var intervalId = null; 
        function slideAd(id,nStayTime,sState,nMaxHth,nMinHth)
        { 
            this.stayTime=nStayTime*2000 || 1000; 
            this.maxHeigth=nMaxHth || 475; 
            this.minHeigth=nMinHth || 2.5; 
            this.state=sState || "down" ; 
            var obj = document.getElementById(id); 
            if(intervalId != null)window.clearInterval(intervalId); 
            function openBox()
            { 
                var h = obj.offsetHeight; 
                obj.style.height = ((this.state == "down") ? (h + 230) : (h - 230))+"px"; 
                if(obj.offsetHeight>this.maxHeigth)
                { 
                    window.clearInterval(intervalId); 
                    intervalId=window.setInterval(closeBox,this.stayTime); 
                } 
                if (obj.offsetHeight<this.minHeigth)
                { 
                    window.clearInterval(intervalId); 
                    obj.style.display="none"; 
                } 
            } 
            function closeBox()
            { 
                slideAd(id,this.stayTime,"up",nMaxHth,nMinHth); 
            } 
            intervalId = window.setInterval(openBox,15); 
        }