function showFlashAdv(obj){
		var _obj = (typeof obj == "string")&&jQuery("#"+obj);
		if(!!_obj){
			_obj.css({display:""});
			switch(obj){
			   case "ad_lamu":
				 	//alert("ad_lamu");
				 break;
			   case "bofangqi":
				 	//alert("bofangqi");
				 break;
			   case "ad_beijing":
				 	//alert("ad_beijing");
				 break;
			}
		}
	}
	
	function hiddenFlashAdv(obj){
		var _obj = (typeof obj == "string")&&jQuery("#"+obj);
		if(!!_obj){
			_obj.css({display:"none"});
			switch(obj){
			   case "ad_lamu":
				 	//alert("ad_lamu");
				 break;
			   case "bofangqi":
				 	//alert("bofangqi");
				 break;
			   case "ad_beijing":
				 	//alert("ad_beijing");
				 break;
			}
		}
	}
	
	function openShow(cfg){
		var opts = jQuery.extend({speed:3000,objname:"ad_lamu",showname:"ad_beijing"},cfg);
		var isPlay = false;
		
		function _openShow(){
			if(isPlay){
				hiddenFlashAdv(opts.objname);
				showFlashAdv(opts.showname);
				clearInterval(timer);
				//v_player_cctv.play_after_curtain();
			}else{
				isPlay = true;
			}
		}
		var timer = window.setInterval(function(){return _openShow()},opts.speed);
	}
	
	jQuery(function($){
		//var config = {objname:'bofangqi',speed:1000}
		var a = new openShow();
	})