// tab
function doClick1(o){
	 o.className="title1a";
	 var j;
	 var id;
	 var b;
	 for(var i=1;i<=5;i++){
	   id ="bb"+i;
	   j = document.getElementById(id);
	   b = document.getElementById("b"+i);
	   if(id != o.id){
	   	 j.className="title1b";
	   	 b.style.visibility = "hidden";
	   }else{
			b.style.visibility = "visible";
	   }
	 }
}

//ÒôÀÖÅÅÐÐ tab
	 var d;
	 var c;
	 var idc;
	 var idd;  

function doClick3(o)
{
	 for(var i=1;i<=4;i++){
	   idd ="dd"+i;
	   d = document.getElementById("d"+i);
	   c = document.getElementById("c"+i)
	   if(idd != o.id ){
	   	 d.style.visibility = "hidden";
		 c.style.visibility = "hidden";
     }else{
		 d.style.visibility = "visible";
		 c.style.visibility = "visible";
	   }
	 }
}

function doClick2(p)
{
	 p.className="bottoma";
	 var j;
	 for(var i=1;i<=4;i++){
	   idc ="cc"+i;
	   j = document.getElementById(idc);
	   c = document.getElementById("c"+i)
	   if(idc != p.id ){
		  j.className="bottomb";
          c.style.visibility = "hidden";
	   }else{
			c.style.visibility = "visible";
			
	   }
	 }
}