function get_roll_cookie(name)
{
var arr = document.cookie.split("; ");
for(var i = 0;i < arr.length;i++){
var temp = arr[i].split("=");
if(temp[0] == name) return unescape(temp[1]);
}
}
function set_roll_cookie(name,value,expire_hours)
{
var exp_date = new Date();
exp_date.setHours(exp_date.getHours() + 0 + expire_hours);
document.cookie = name + "=" +escape(value) + ((expire_hours == null) ? "" : ";expires=" + exp_date.toGMTString());
}
var intervalId = null;
function slideAd(id,nStayTime,sState,nMaxHth,nMinHth)
{
this.stayTime=nStayTime*1000 || 3000;
this.maxHeigth=nMaxHth || 100;
this.minHeigth=nMinHth || 1;
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 + 2) : (h - 2))+"px";
if(obj.offsetHeight>this.maxHeigth)
{
window.clearInterval(intervalId);
intervalId=window.setInterval(closeBox,this.stayTime);
}
if (obj.offsetHeight");
var ad = get_roll_cookie('scroll_ad');
if (ad != 1312451955){
slideAd('scroll_ad',3, 'down',90, 0);
set_roll_cookie('scroll_ad', 1312451955, 24);
}