function interval_y_scroll(config){
	var	defalut_config = {  'OBJ':$("#newsList"),
							'list':$("#newsList").children().children(),
							'timeout':3000,
							'space_px':36,
							'scroll_speed':800,
							'htmlbox':[$("#newsList_span1"),$("#newsList_span2")],
							'love956':'gril'};
	if(config==undefined){
		config = defalut_config;
	}else{
		for(val in defalut_config){
			if(config[val]==undefined){
				config[val] = defalut_config[val];
			}
		}	
	}
	
	for(val in config){
		this[val] = config[val];
	}
	
	//this.list = config.list;
	this.list_length = this.list.length;
	//this.timeout = config.timeout;
	//this.space_px = config.space_px;
	//this.scroll_speed = config.scroll_speed;
	//this.htmlbox = config.htmlbox;
	//this.OBJ	 = config.OBJ;
	
	var _this = this;
	//如果大于1
	if(this.list_length>1){
		this.htmlbox[1].html(this.htmlbox[0].html());
		setInterval(function(){_this.loop();},this.timeout);
	}
	
	this.loop = function(){
		var cur_ST = this.OBJ.scrollTop();
		var cur_MAX_SCPX = cur_ST+this.space_px;
		if(this.htmlbox[1][0].offsetTop-cur_ST<=0){
			this.OBJ[0].scrollTop = 0;
			cur_MAX_SCPX = 36;
		}
		
		this.OBJ.animate({'scrollTop':cur_MAX_SCPX},1000);
	}
}