function brot(ids,list){
	this.curr=0;
	this.domobj=Ext.get(ids);
	this.list=list;
	this.list[this.curr]=this.domobj.dom.innerHTML;
	this.timer=12000; //Math.max(4000,8000-1000*Math.random());
	this.task=new Ext.util.DelayedTask(this.timeout,this);
	this.anim1={duration:0.5,callback:this.endFade1,scope:this};
	this.anim2={duration:0.5,callback:this.endFade2,scope:this};
	this.task.delay(this.timer);
}
brot.prototype.timeout=function(){
	if (!Ext.isIE) this.domobj.setOpacity(0.05,this.anim1);
	else this.endFade1();
};
brot.prototype.endFade1=function(){
	this.curr++; if (this.curr>=this.list.length) this.curr=0;
	var id=this.list[this.curr]; 
	if (typeof(id)=='string') {
		this.domobj.dom.innerHTML=id;
		if (!Ext.isIE) this.domobj.setOpacity(1,this.anim2);
		else this.endFade2();
	} else {
		Ext.Ajax.request({url:'ad.aspx?a=get&b='+id,success:this.success,scope:this});
	}
};
brot.prototype.endFade2=function(){
	this.task.delay(this.timer);
}
brot.prototype.success=function(response,options){
	this.list[this.curr]=this.domobj.dom.innerHTML=response.responseText;
	if (!Ext.isIE) this.domobj.setOpacity(1,this.anim2);
	else this.endFade2();
}
function opw(p,n,w,h){var w=window.open(p,n,'toolbar=no,scrollbars=yes,width='+w+',height='+h+',resizable=yes',false);w.focus();}