function OpenSubscribe(userid,moduleid,itemid)
{
	LeftPos=(screen.width)?(screen.width-370)/2:100;
	TopPos=(screen.height)?(screen.height-100)/2:100;
	window.open("/scriptlibrary/subscribe/subscribe.aspx?userid=" + userid + "&moduleid=" + moduleid + "&itemid=" + itemid + "","_subscribe","height=100,width=370,status=no,toolbar=no,menubar=no,location=no,left=" + LeftPos + ",top=" + TopPos + "");
}