// JavaScript Document
 $(function(){
	var name="jlnc.mp3";	
	$("#stop").click(function(){//stop()
		 if($("#sound bgsound").attr("src"))
		 {
		  $("#sound bgsound").attr("src","");
		  alert("您好，停止背景音乐！");
		 }						  
							  });		  

	$("#play").click(function(){//play()
		if(!$("#sound bgsound").attr("src"))
	    {   
		  $("#sound bgsound").attr("src",name);		
		  alert("您好，播放背景音乐！");
		}
							  });
	
		//stop效果
		$("#stop").hover(function(){
					 $("#stop").css("filter","alpha(opacity=100)");				  
								  },function(){
					$("#stop").css("filter","alpha(opacity=50)");		  
									  });
		//play效果
		$("#play").hover(function(){
					 $("#play").css("filter","alpha(opacity=100)");		  
								  },function(){
					 $("#play").css("filter","alpha(opacity=50)");		  
									  });
			  });